Content that references this location

Mathematical Model Revealed that Automated Vehicles Can Achieve 40-50 Percent Gains in Spatial Efficiency for Off-Street Parking Facilities.

METHODOLOGY The study formulated a methodology based on certain premises to optimize parking capacity in single-story, obstruction-free parking lots with square or rectangular layouts. It assumed AVs…
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Date Posted
02/29/2024

A Study Evaluating Audio- and Image-Based In-Vehicle Warning Messages in Work Zones Found a 16.4 Percent Reduction in CO2 Emissions Using Mixed Messages Compared to a No Message Scenario.

METHODOLOGY This study tested three scenarios: (i) work zone with no audio or image warning system (NO MESSAGE), (ii) work zone with a voice warning system (VOICE MESSAGES), and (iii) work zone with…
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Date Posted
02/29/2024

Mathematical Model Showed Unmanned Aerial Vehicles Can Reduce Costs by 48.3 Percent and CO2 Emissions by 19.7 Percent in Parcel Deliveries, Especially Under Congested Traffic.

METHODOLOGY The study used a computer programming software tool to carry out an experiment and test the UAV routing model and GA with two restrictions: 1) deliveries are assumed to be completed…
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Date Posted
01/29/2024

Virtual Gate Technology Used To Conduct Port Terminal Transactions at Off-Site Truck Staging Areas Can Improve Truck Loading and Waiting Times and Reduce Drayage Area Turn Times by 20 Percent Contributing To Benefit-To-Cost Ratios As High as 14.55.

METHODOLOGY The four solutions chosen for detailed feasibility analyses were: (i) off-site parking and staging, (ii) off-site parking and staging combined with a “virtual gate” where some terminal…
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Date Posted
01/26/2024

Driving Simulation Study on V2I Technologies Found Audio Warnings Effective in Reducing Driver Speed by Approximately 11.4 Percent.

METHODOLOGY In this study, four specific scenarios were tested in driver simulation: (i) BASE: Heavy rain without warning, (ii) AUDIO: Heavy rain with in-vehicle audio warning, (iii) SCREEN: Heavy…
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Date Posted
12/27/2023

Meta-Study Reviewing 67 Simulation or Field-Based Studies from Literature Reported an Average Capacity Increase of 59 Percent Due to Cooperative Adaptive Cruise Control.

METHODOLOGY In this study, the systematic review was conducted based on the following selection criteria: i) either ACC or CACC technologies or both, ii) both simulations and field tests, iii)…
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Date Posted
08/30/2023

Continuous Dynamic Optimization (CDO) Technology for Automated Paratransit Scheduling Operations Improved Transit Service Productivity Up to 31 Percent as a Measure of Increased Passenger Trips per Revenue Vehicle Hour.

METHODOLOGY Based on the online survey, 11 out of 24 agencies confirmed using CDO in their daily operations specifically for ADA paratransit, as some agencies either didn't use CDO or used it for…
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Date Posted
05/30/2023

Large-Scale Analysis Using Data from 13 States Found Vehicles Equipped with Forward Collision Warning and Automatic Emergency Braking had 49 Percent Less Front-to-Rear Crashes.

METHODOLOGY In this study, vehicle data were provided by a total of eight participating industry partners, specifically leading automobile manufacturing companies, which accounted for more than 65…
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Date Posted
05/26/2023

Virtual Simulator Study Found Automated Emergency Braking System Could Reduce the Number of Vehicle-to-Pedestrian Collisions by Up To 31.39 Percent with 1-Second Reaction Time.

METHODOLOGY CARLA is an open-source virtual simulator to test automated driving used in this study, featuring a Traffic Manager (TM), command array, Agent Lifecycle and State Management (ALSM), Path…
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Date Posted
03/22/2023

Model Estimates That Level 1 and 2 Automated Vehicles Are Less Likely to Be Involved in Fatal Crashes in Various Scenarios, Yet More Likely to Be Involved in Fatal Crashes with Pedestrians and Bicyclists.

METHODOLOGY A partial proportionality odds model was developed to examine the relationship between crash, road, and vehicle characteristics as the independent variables and the occurrence of a fatal…
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Date Posted
02/28/2023

Modeling of a Predictive Maintenance Process to Screen Railway Transit Signals for Repair Showed That a Machine Learning Algorithm Could Identify 35 Percent of Failures a Month in Advance.

Methodology To assess the effectiveness of a predictive maintenance system, a research team from Rutgers University utilized data provided by a major rail transit agency in the United States. A…
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Date Posted
01/13/2023
Taxonomy (ARC-IT) Performance Monitoring (DM02)

Simulation Results Showed That Stop Sign Gap Assist Applications for Connected and Automated Vehicles Can Improve Capacity on Minor Approaches by up to 35.5 Percent; However, There was a Clear Trade-Off Between Capacity and Safety Benefits.

 METHODOLOGY Several existing case studies were investigated to assess existing models and simulation development methods, document the data needs of agencies dealing with ATVs, general guidance…
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Date Posted
10/20/2022

Ridehailing Study Finds that Reduced Ride-Alone Trips Resulting from a $1 Per Trip Increase Would Save More Than 3.5 Billion Vehicle Miles Annually in the 15 Markets Investigated.

METHODOLOGY The study used three major data source types—TNC surveys, app-based ridesharing data, and studies in the literature about behavioral responses to changes to the price of driving and…
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Date Posted
02/23/2022

Investing in Radar Sensors for Fully Automated Vehicles is Estimated to Yield a Benefit-Cost Ratio of 2.96 (Assuming a Market Penetration of 10 Percent by 2030).

Methodology This study considered three performance measures from the 22 risk mitigation strategies: 1) number of traffic deaths, 2) level of congestion, and 3) environmental emissions. The…
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Date Posted
08/25/2021

In a Driving Simulator, Drivers Avoided Obstacles at Safer Distances When Receiving a Takeover Alert from Automation, As Compared with Fully Manual Driving.

Methodology Participants were virtually seated in a 4-door sedan and drove a counterbalanced set of eight 17.5-mile test scenarios, four with full manual driving control and four with takeover…
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Date Posted
06/28/2021

Microsimulation Results Show That Truck Platoons Equipped With Cooperative Adaptive Cruise Control (CACC) Technology Can Increase Traffic Throughput by Nearly Six Percent on Freeway Sections With Bottleneck Congestion.

METHODOLOGY The researchers enhanced three trucks equipped with adaptive cruise control (ACC) technology (using sensors to maintain a safe distance from vehicles ahead) by adding communications and…
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Date Posted
06/21/2021

Fifty-one Percent of Small Urban and Rural Transit Providers Saw Improved Record-Keeping, Reporting, or Data Analysis by Deploying ITS Technologies.

Methodology The General Accountability Offices (GAO)’s sampling methodology as well as the questionnaire were replicated to provide data comparable to the 2015 Small Urban and Rural Transit…
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Date Posted
06/18/2021

Analytical Study Estimates 43 to 68 Percent Fewer Rear-End Crashes for Vehicles with Automatic Emergency Braking and Forward Collision Warning Systems.

Methodology The study utilized vehicles from a total of 27 different vehicle makes with model years ranging between 2013 to 2015 that each offered front automatic braking with forward…
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Date Posted
06/18/2021

Literature Review on Shared Mobility Services Found Up to 33 Percent Reduction in Car Ownership, $435 in User Savings, 54 Percent Shift to Non-Motorized Travel, and 69,715 Metric Tons per Year Reduction in CO2 Emissions.

METHODOLOGY An increasing body of empirical evidence indicates that shared modes can provide numerous transportation, land use, environmental, and social benefits. While impact studies on roundtrip…
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Date Posted
05/24/2021

Automated Trucking Technology Has Potential to Raise Annual Earnings for all U.S. Workers by up to $267 per Worker per Year.

Simulations of the evolution of the economy with the addition of policy shocks (i.e., productivity shocks to the trucking sector that are expected from automation) were compared to the baseline…
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Date Posted
04/27/2021

An Automated Traffic Signal Performance Measures (ATSPM) Maintenance Program Implemented by Utah DOT Was Projected to Save $108 Million In Reduced Agency Labor Costs And Improved Operations Over 10 Years.

METHODOLOGY The methodology included 16 potential cost items and 12 benefit items that were considered by analysts. Each item was defined and a basic formula was used  calculate model inputs. An…
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Date Posted
03/29/2021

Meta-Study of App-Enabled Transportation Technologies Finds Bike Sharing, Car Sharing, and Autonomous Buses May Reduce Car Travel.

Due to their increasing presence app enabled transportation technologies have attracted significant research attention. To help assess what the consensus on these technologies has been, a…
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Date Posted
02/27/2021

Research Supports that Wireless Charging-Enabled Shared Autonomous EVs have the Potential to Increase Utility of the Vehicle Fleet by 50 Percent Compared to Manually-Driven, Plug-in Charged EVs.

Methodology A qualitative analysis focusing on the subsequent impacts of these four emerging technologies on transportation system dynamics and a quantitative analysis focusing on system design…
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Date Posted
02/26/2021

Cost Savings, Transparency, Innovation: TCRP Report Highlights Benefits of Open Data

Major benefits identified by the TCRP team related to data sharing were as follows: Promoting transparency and increasing awareness of an agency and its engagement with customers. Spurring…
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Date Posted
02/25/2021

Highway Capacity Impact of Connected and Automated Truck Platoon Estimated to Be 34.3 Percent Less than Regular Trucks.

Methodology Researchers used the HCM-6 methodology to assess the differences in equal capacity passenger car equivalent (EC-PCE) associated with Truck Platooning using CAV technology. Changes in…
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Date Posted
02/24/2021

Automatically Intervening Driver Assistance Technologies Found to Be Most Effective in Reducing Crashes.

Researchers at the Highway Loss Data Institute, a part of the Insurance Institute for Highway Safety, studied the real-world effects of eight different ADAS on driver safety. The eight…
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Date Posted
01/26/2021

Models of Large Electricity Markets in the United States Show that Smart Charging Can Lead to Approximately 20 Percent Cost Savings and a 15 Percent Reduction in CO2 Emissions.

A research team modeled smart charging systems to estimate the potential benefits of these systems. To do this the team first developed an optimized model of smart charging in the abstract. Then the…
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Date Posted
01/25/2021

Industry Report Finds that Equipping the Full U.S. Light Vehicle Fleet with Currently Available Crash Avoidance Systems Could Save up to 20,000 Lives per Year.

Methodology Fatality reduction benefits were examined for four existing crash avoidance technologies: automatic emergency braking (AEB), lane departure warning (LDW), blind spot warning (BSW), and…
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Date Posted
12/22/2020

Simulation Study Shows that 18 to 84 Percent of Left Turns Across Path/Opposite Direction Crashes Could Be Prevented Using Automatic Braking Compared to 0 to 32 Percent Reduction from Warnings Alone.

Depending on the system design, sightline assumption, intersection advanced driver assistance system (I-ADAS) variation, and fleet penetration, an I-ADAS system that automatically applies…
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Date Posted
12/18/2020

Connected and automated vehicles equipped with speed harmonization applications can reduce fuel consumption by 19 to 22 percent.

Methodology Using a microscopic simulation model test bed, the researchers evaluated the proposed control algorithm's performance compared with three other approaches. Baseline - Human…
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Date Posted
10/29/2020

Without constant driver supervision, Level 2 Active Driving Systems could collide with hazards such as disabled vehicles in 66 percent of cases.

Methodology To help answer some of the questions around performance of level two active driving systems, a research team from the American Automobile Association (AAA) Foundation for…
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Date Posted
10/29/2020

Study finds that Forward Collision Warning (FCW) and automatic emergency braking (AEB) were associated with 44 percent and 41 percent reductions, respectively, in the rear-end crash rate of large trucks.

Methodology  Data on Class 8 trucks operating on limited-access highways during 2017–2019 were obtained from SmartDrive Systems. All 62 carriers in the study operated trucks both with and…
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Date Posted
10/19/2020

More efficient adaptive signal timing settings do not always result in a lesser number of conflicts than pre-optimized signal timing settings

Benefits Kadence performs best when all four algorithms (cycle length, splits, offsets, and left-turn phase) are enabled in the system parameters set-up. Enabling one algorithm alone, while…
Content type
Date Posted
09/04/2020

Report concludes that autonomous air and ground delivery vehicles can reduce emissions by more than 90 percent compared to traditional internal combustion engine delivery vehicles

Findings: The analysis found that SADRs were the most efficient solution in terms of watt-hours per customer for service areas ranging up to 10 square kilometers. At service areas of 20 to 30 square…
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Date Posted
08/14/2020

More than half of commercial truck drivers prefer to use roadside dynamic message signs (DMS) or mobile devices to obtain parking information while about one-third still rely on books and maps.

FINDINGS Commercial truck drivers prefer to obtain parking availability information through roadside dynamic message signs (DMS); however, about 55 percent of drivers use traveler information…
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Date Posted
06/30/2020

Bike share systems have potential to decrease automobile travel and increase active travel.

FINDINGS Cities with bike share systems have seen "population-level increases in cycling" and hence decreased sedentary transportation. Cities usually considered car-centric, like Los Angeles, have…
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Date Posted
06/25/2020

SmartPark systems deployed in multiple states suggest that for every $1 invested, between $3.30 to $7.80 will be returned in mobility, safety, environmental, and operational benefits.

FINDINGS The potential high costs of deploying a SmartPark project have been a deployment barrier. Although some projects such as those implemented by the Mid America Association of State…
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Date Posted
06/15/2020

Meta-analysis suggests bike share systems can increase public transit usage.

FINDINGSDockless bike share systems likely "strongly connect" to public transit due to their flexibility. Findings suggest planners can use dockless bike sharing services as a means to extend the…
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Date Posted
04/27/2020

Comparative analysis indicates that e-scooters produce 98 percent less emissions than a traditional single passenger car, amongst other measures of efficiency.

Findings In general, e-scooters were represented to be: More energy efficient than traditional vehicles (e.g. the embedded energy of an e-scooter is less than 1 percent of the embedded energy in an…
Content type
Date Posted
02/24/2020

Innovative tool for assessment and reporting developed by FHWA helps public agencies recover quickly from natural disasters, with demonstrated cost savings of $1.2 million per disaster.

Content references source material no longer available at its original location.
Traditional survey and inspection reporting requires cumbersome paper forms and maps, tedious spreadsheets, and the use and storage of paper maps, cameras, and other outdated tools – including…
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Date Posted
01/27/2020

Between 7.4 and 8.1 million crashes could be prevented if Dedicated Short Range Communication (DSRC) connected vehicle technology was mandated now, instead of waiting an estimated three years to develop other technologies such as C-V2X.

Findings The study calculated the benefits of implementing DSRC in 2019 instead of delaying 3, 5, or 7 years. Assuming three-year delay, 7.4 million-8.1 million crashes; 2.8 million-3.1 million…
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Date Posted
12/05/2019

Using a combination of surveys and modeling, researchers find that Autonomous Vehicles may increase the number of trips people take and hence traffic congestion.

Findings 57 percent of respondents stated they would likely switch to an Autonomous Vehicles for daily community purposes 71 percent of respondents stated they would use an Autonomous Vehicles to…
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Date Posted
11/26/2019

Simulation models estimate connected automated vehicles (CAVs) can reduce net vehicle energy consumption by 11 to 55 percent.

Methods In order to estimate net energy impacts of CAVs researchers at the University of Texas at Austin first conducted a literature review to estimate the energy effects of CAVs. Researchers then…
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Date Posted
11/26/2019

Adoption of the 6C Protocol standard for RFID communications in Georgia reduced toll transponder costs from $9.20 to $0.78 per vehicle.

FINDINGS The adoption of the 6C protocol greatly reduced SRTA's roadside RFID reader costs. Transponder (windshield sticker) costs were reduced from $9.20 per unit to $0.78 per unit. This unit cost…
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Date Posted
11/18/2019

Autonomous ground vehicles (AGVs) which are expected to dominate regular parcel delivery in urban areas by 2025, will produce an estimated 40 percent savings in delivery costs.

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Methodology To better understand consumer preferences, a large-scale survey was conducted in China, Germany, and the US with a total of 4,700 respondents (1,500+ in each of the three countries).…
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Date Posted
11/18/2019

Multi-state analysis suggests active safety and advanced headlighting systems have contributed to a 46 percent and 81 percent reduction in forward and rear collisions, respectively.

This analysis included VIN-linked data on 3,785,419 vehicles across 22 vehicle models (including Buick, Cadillac, Chevrolet, and GMC) and five Model Years (Model Year 2013-2017). For each vehicle (or…
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Date Posted
10/18/2019

Current generation pedestrian crash avoidance systems can reduce vehicle-pedestrian collisions by 40 percent under certain conditions.

FindingsIn aggregate, when encountering an adult pedestrian in a perpendicular crossing scenario where a test vehicle traveling at 20 mi/h was provided with visual notification of an impending…
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Date Posted
10/09/2019

Track testing suggests stop-and-go freeway traffic can be controlled to reduce fuel consumption by 40 percent with as few as 5 percent autonomous vehicles in the traffic stream.

FINDINGS Experimental findings suggested stop-and-go freeway traffic flow can be controlled to improve fuel economy and throughput with as few as 5 percent autonomous vehicles in the traffic stream…
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Date Posted
09/26/2019

Track testing suggests stop-and-go freeway traffic flow can be controlled to increase throughput by 15 percent with as few as 5 percent autonomous vehicles in the traffic stream.

FINDINGS Experimental findings suggested stop-and-go freeway traffic flow can be controlled to improve fuel economy and throughput with as few as 5 percent autonomous vehicles in the traffic stream…
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Date Posted
09/26/2019

Driver Assistance vehicle technologies have potential to prevent 1.6 million crashes per year.

Findings: Driver Assistance vehicle technologies could potentially save $36.7 billion USD per year Much of the potential savings come from reduced crash severity leading to less medical cost…
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Date Posted
09/25/2019

Modeling effort shows link-level dynamic tolling on a connected vehicle network can improve average travel times up to 32 percent.

The paper proposed Delta-tolling, a modified micro-tolling scheme, as an effective method to set dynamic toll values. Delta-tolling assigns tolls in a network proportionally to the difference between…
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Date Posted
09/18/2019

Simulation found that connected vehicles can reduce secondary crash risk by one-third in areas with high-volume traffic and 25 percent connected vehicle market penetration.

FINDINGS Simulation found that connected vehicles can reduce secondary crash risk by one-third in areas with high-volume traffic and 25 percent connected vehicle market penetration. In areas with…
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Date Posted
09/18/2019

A nationwide traveler survey finds that blind-spot monitoring and emergency automatic braking are the two most appealing automated vehicle technologies.

FINDINGS In general, findings indicated that respondents were least interested in traffic sign recognition and left-turn assist technologies. The two most appealing technologies were blind-spot…
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Date Posted
08/30/2019

Telematics technology provides many benefits to trucking fleets.

FINDINGS Increase efficiency - Drivers who know their behavior is being monitored tend to perform according to company and regulatory standards, which can reduce accidents and damage to vehicles…
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Date Posted
08/28/2019

Autonomous intersection management (AIM) systems can achieve three percent more traffic throughput than a traditional signal system, assuming 10 percent CAV market penetration.

Autonomous Intersection Management (AIM) was discussed for networks with connected automated vehicles (CAVs) and human-driven vehicles (HVs). The strategy included a reservation-based protocol in…
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Date Posted
08/22/2019

Study finds that alternative approaches to collect and distribute e-scooters can reduce their global-warming environmental impact by up to 27 percent.

Researchers gathered data from range of sources, including the actual disassembly of an electric scooter to inventory all the materials used in the scooter. They also gathered data from various US…
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Date Posted
08/15/2019

Blind spot warning technology contributes to a 23 percent reduction in lane change injury crashes.

FINDINGS Blind spot warning technology has provided a 23 percent reduction in lane change crashes with injuries. Forward collision warning with auto-emergency braking has provided a 20 percent…
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Date Posted
08/15/2019

A field test suggests that self-driving trucks not subject to driver hours-of-service (HOS) limits can reduce coast-to-coast travel times by 60 percent.

FINDINGS The source report suggested that if Level-4 self driving technology were used the truck could have made the same trip in two days operating around the clock decreasing the overall trip time…
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Date Posted
07/22/2019

Sixty-three (63) percent of city officials surveyed agreed that autonomous vehicles can improve the quality of life in U.S. cities.

Driver Assistive Truck Platooning (DATP) applications can improve peak team fuel savings of two truck platoons by 7 to 10 percent.

FINDINGSBusiness case analyses concluded that large, for-hire, over-the-road (OTR) truckload (TL) and less-than-truckload (LTL) line-haul fleets and private fleets are best positioned as early…
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Date Posted
06/07/2019

The benefits of eco-guidance extend to other cars on the road, offering comparable emissions reductions to following vehicles.

FINDINGS Both "with CAV" and "with guidance" scenarios resulted in significant reductions in fuel consumption, with emissions reduced approximately 6 percent compared to the base case. The "with…
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Date Posted
11/27/2018

Connected eco-driving for drayage operations on signalized networks can reduce diesel truck energy consumption by 4.4 to 8.1 percent.

FINDINGS The average energy saved compared to a baseline condition was 7.1 percent for level terrain, 4.4 percent for uphill terrain, and 8.1 percent for the downhill case.
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Date Posted
11/26/2018

A signal control system that uses SPaT messages and vehicle trajectory information to advise connected vehicles can reduce fuel consumption up to 58 percent.

FINDINGS Fuel consumption benefits ranged from 2.02 to 58.01 percent. The CO2 emissions benefits ranged from 1.97 to 33.26 percent. The results reflected variation in market penetration rates for…
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Date Posted
11/26/2018

An intersection Eco-signal System can reduce fuel consumption up to 45 percent.

FINDINGS The field test results showed that the Eco-driving Guidance could reduce fuel consumption by approximately 20 to 40 percent, and the Eco-signal System could reduce fuel consumption up to 45…
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Date Posted
11/26/2018

A signal control system that uses SPaT messages and vehicle trajectory information to advise connected vehicles can improve throughput by up to 11 percent.

FINDINGS Throughput benefits ranged from 0.88 to 7.06 percent under a saturated traffic condition and from 1.74 to 10.80 percent under an oversaturated traffic condition. Variations were caused by…
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Date Posted
11/26/2018

Lane departure warning (LDW) and lane departure prevention (LDP) systems were estimated to prevent 59 percent and 67 percent of crashes, respectively, in areas with shoulder widths of at least 3.6 meters.

FINDINGS LDW and LDP were estimated to prevent 59 percent and 67 percent of crashes, respectively, when the shoulder width was at least 3.6 m. In contrast, when no shoulder was present, LDW was…
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Date Posted
10/31/2018

Study finds that 55.7 percent of all classifiable miles driven were platoonable, presenting the opportunity for significant fuel and emissions savings.

Methodology: NREL and Volvo Trucks North America analyzed a two-week period of Volvo Truck telematics data from over 57,000 unique vehicles, traveling over 210 million miles during the summer of 2016…
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Date Posted
10/29/2018

Front crash detection, lane maintenance, and blind spot detection technologies have the potential to prevent 8,000 two-vehicle crashes with motorcycles per year.

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Findings   This analysis shows that three passenger vehicle crash avoidance technologies – front crash prevention, lane maintenance, and blind spot detection – have the potential to prevent…
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Date Posted
09/26/2018

Crash involvement rates in lane-change crashes of all severity types were 14 percent lower among vehicles equipped with blind spot monitoring compared to those without.

FINDINGS Crash involvement rates for lane-change crashes of all severity types were 14 percent lower among vehicles with blind spot warning systems compared to those without . If every U.S.…
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Date Posted
08/30/2018

Private transit services can complement public transit and help reduce solo car trips.

METHODOLOGYThis report entailed some three dozen interviews with topic experts, public agency representatives, and private transit service providers and sponsors, as well as a review of relevant…
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Date Posted
08/29/2018

Driving simulator participants equipped with heads-up display (HUD) forward collision warning systems experienced 35 percent fewer near-crash events under fog conditions.

FINDINGSDrivers without the HUD FCW had a near-crash rate of 0.78 while drivers using the HUD FCW had a near-crash rate of 0.51. Thus, the effectiveness was estimated at 35 percent.
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Date Posted
08/17/2018

An intersection queuing model demonstrates that connected vehicle platooning can double intersection throughput.

FINDINGS The modeling effort demonstrated that that bottleneck capacity can be increased by a factor of two if vehicles can be organized to cross intersections in platoons with 0.75 s headway at 45…
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Date Posted
08/16/2018

Mobile LiDAR infrastructure inventory survey techniques are preferred by state DOTs where data quality and completeness are top priority.

Pedestrians receiving alerts while texting chose larger gaps, were more discriminating in gap choices, and better timed their crossing than those texting without warnings.

FindingsParticipants who received alerts while texting chose larger gaps (mean gap size of 3.68 s versus 3.56 s in the control and 3.50 s in the texting conditions), were more discriminating in their…
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Date Posted
08/13/2018

Crash-conflict models suggests a 50 percent AV market penetration rate can reduce crashes at four-legged signalized intersections by 24 percent.

FINDINGS The results indicate that intersection safety may improve in the presence of AVs. However, the safety effects of treatments (intersection design and signal timing treatments for turning…
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Date Posted
08/13/2018

Transit eco-driving strategies can reduce fleet bus fuel consumption by five to seven percent.

METHODOLOGY The analysis utilized second-by-second operations data collected via global positioning system (GPS) devices from buses operated by each transit agency. Researchers simulated the…
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Date Posted
07/27/2018

Rapid deployment of DSRC for connected vehicles can save thousands of lives, regardless of whether a later transition to C-V2X proves advantageous.

Simulation models show that an optimal control speed harmonization strategy can reduce per-vehicle fuel consumption by 12 to 17 percent.

Findings The suggested approach was found to reduce per-vehicle fuel consumption by 12 to 17 percent over the base case scenario and 2 to 12 percent over the state-of-the-art variable speed limit…
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Date Posted
04/16/2018

A real-time adaptive traffic signal control algorithm supported by connected vehicle data can reduce delay by 6 to 16.6 percent depending on traffic demand and the connected vehicle market penetration rate.

Content references source material no longer available at its original location.
Findings Results reflected a range of connected vehicle market penetration rates and traffic demand scenarios. The proposed algorithm outperformed loop actuated control by reducing delay by as much…
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Date Posted
03/22/2018

Highway Advisory Radio (HAR) can provide route diversion information during periods of congestion when phone and internet travel advisory systems are not available; benefit-to-cost ratios can range from 4:1 to 16:1 assuming a 5 to 20 percent complian

Content references source material no longer available at its original location.
Findings Based on the online surveys of state department of transportation and emergency management, ongoing benefits of HAR include:   Provides more detail than other traveler information…
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Date Posted
03/21/2018

A simulation analysis demonstrated that connected vehicles using intersection SPaT data and Eco-Cooperative Adaptive Cruise Control algorithms to regulate speed profiles can reduce fuel consumption up to 40 percent on signalized arterials.

Findings Simulation analysis found that the algorithm can reduce connected vehicle fuel consumption levels by as much as 40 percent, though to yield any benefits the connected vehicle market…
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Date Posted
03/21/2018

Class-8 trucks with standard-trailers net a fuel savings of between 5.2 and 7.8 percent in a three-truck CACC platoon. With aerodynamic-trailers, these savings can grow to 14.2 percent.

Findings For the range of test conditions examined, the net fuel savings for the full vehicle platoon was measured to be between 5.2 percent and 7.8 percent. The combined effect of platooning and…
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Date Posted
02/23/2018

Drivers are significantly more likely to identify pedestrian and vehicle hazards when presented with visual warnings from forward collision warning systems.

Findings Drivers in the control group (no warning messages) anticipated 75 percent of pedestrian hazards, versus 89 percent with a 2 second warning, 92 percent with a 3 second warning, and 91…
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Date Posted
02/20/2018

Eco-driving strategies can reduce CO2 emissions by approximately 10 percent, and decrease CO, NOx, and HC emissions by approximately 30 percent at intersections.

Findings   Real-time audio and visual eco-driving strategies could reduce around 10 percent of Carbon dioxide (CO2), and over 30 percent of Carbon monoxide (CO), oxides of Nitrogen (NOx), and…
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Date Posted
02/06/2018

Eco-driving applications for automated vehicles can reduce CO2 emissions by 20 percent, and decrease CO, NOx, and HC emissions by over 60 percent at intersections.

Findings Real-time eco-driving suggestions are effective for automated vehicles. Under the same vehicle-to-capacity ratio, automated vehicles can generate less emissions than normal vehicles. The…
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Date Posted
02/06/2018

Simulation models show that autonomous vehicles consume less fuel than human driven vehicles in low volume and high volume traffic conditions; 43 percent and 20 percent less, respectively.

Methodology In this study, there were two scenarios with baseline (human) driving with the default Wiedemann 99 car following algorithm, one at a low traffic volume and the other at high volume (1,…
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Date Posted
02/06/2018

Deployment of blind spot monitoring, lane departure warning, and forward collision warning systems on all light-duty vehicles in the U.S. could provide an annual safety benefit of $18 billion to $202 billion annually.

Findings These three crash avoidance technologies could collectively prevent or reduce the severity of as many as 1.3 million U.S. crashes a year, including 133,000 injury crashes and 10,100 fatal…
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Date Posted
02/06/2018

Simulation models show that in a fully connected vehicle environment, a variable speed limit (VSL) control algorithm can reduce total travel time by 20 percent.

Content references source material no longer available at its original location.
Findings With a 100 percent CV penetration rate, the developed VSL approach consistently outperformed the uncontrolled scenario, reducing total travel time by up to 20 percent.
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Date Posted
01/04/2018
Taxonomy (ARC-IT) Variable Speed Limits (TM20)

Simulation models show that in a fully connected vehicle environment, a variable speed limit (VSL) control algorithm can reduce fuel consumption by 5 to 16 percent.

Content references source material no longer available at its original location.
Findings With a 100 percent penetration rate, the developed VSL approach consistently outperformed the uncontrolled scenario, reducing fuel consumption 5 to 16 percent.
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Date Posted
01/03/2018
Taxonomy (ARC-IT) Variable Speed Limits (TM20)

Hybrid Vehicle Actuation signal timing using connected vehicle broadcasts and inductive loop data can reduce delay by up to 32 percent compared to inductive loop only systems.

Results The results show that HVA with two inductive loops is an effective alternative to traditional intersection control strategies, offering delay reductions of up to 32 percent over Loop-VA, for…
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Date Posted
12/12/2017

Personal travel assistant providing trips optimized by cost, time, user preference, calories, and carbon use changed the travel behaviors of 13 percent of users.

Findings A preliminary usability study of the TrIO platform showed that, in general, users found the system valuable for informing their travel decisions; 13 percent of platform users reported…
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Date Posted
12/12/2017

Autonomous vehicles are expected to reduce fuel consumption by 15 percent while VMT increases by 23 percent by 2040.

Content references source material no longer available at its original location.
Findings Compared to the No Autonomous Vehicles scenario, automation could reduce fuel consumption as market share for Autonomous Vehicles increases. When the new car sales share of Autonomous…
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Date Posted
12/12/2017
Taxonomy (ARC-IT) Connected Eco-Driving (ST09)

GlidePath Prototype application reduces fuel consumption by an average of 17 percent by improving compliance with suggested speed profiles.

Findings Compared to manually following the speed profiles recommended by the EAD application, the GlidePath Prototype reduced fuel consumption by an average of 17 percent. In some scenarios fuel…
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Date Posted
12/12/2017

A simulation study shows that automated steering assistance applications can reduce lane departure crashes by 51 percent.

Methodology A set of 478 road departure crashes extracted from the 2012 National Automotive Sampling System Crashworthiness Data System (NASS/CDS) were used to formulate a simulation case set. The…
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Date Posted
10/30/2017

After deployment of a low-speed collision avoidance system on the Volvo XC60 and S60, insurance claim frequency decreased by 15 and 16 percent, respectively, compared to similar vehicles.

Findings   The XC60 had an actual claim frequency 15 percent lower than the average of midsize luxury SUVs and the S60’s actual claim frequency was 16 percent lower than the average of…
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Date Posted
10/18/2017

Pedestrian Crash Avoidance/Mitigation Systems can reduce up to 24 percent of annual vehicle-pedestrian crashes where fatalities are involved.

Methodology The methodology utilized relied on target baseline crashes obtained from national crash databases, system performance data from characterization track tests, and basic kinematic computer…
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Date Posted
09/25/2017

A USDOE study assessed the potential impacts of a nationwide deployment of connected and automated vehicles (CAV) and reported mixed results with respect to impacts on fuel consumption; ranging from a 60 percent decrease in scenarios with ridesharing

Constraints for travel demand and efficiency impact range estimates were derived from previous studies that evaluated various CAV technology effects on conventional vehicle operation. The identified…
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Date Posted
09/21/2017

A USDOE study assessed the potential impacts of a nationwide deployment of connected and automated vehicles (CAV) and reported mixed results with respect to travel cost impacts; ranging from a 60 percent decrease in cost per passenger mile in scenari

Three CAV scenarios were considered to calculate upper and lower bounds of their potential impacts on consumer costs: Partial: Partial automation with some connectivity Full-No Rideshare: Full…
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Date Posted
09/21/2017

Electric buses that use vehicle-to-grid (V2G) power systems can eliminate up to 1400 metric tons of CO2-equivalent GHG emissions and up to $18,300 in air pollution externalities over the lifetime of the system.

Detailed data were collected on diesel and BE fuel options for both transit and school buses. A Life Cycle Assessment (LCA) methodology that utilized a wheel-to-wheel (WTW) approach was used to…
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Date Posted
08/30/2017
Taxonomy (ARC-IT) Emissions Monitoring (ST01)

Forward collision warning (FCW) alone, low-speed autonomous emergency braking (AEB), and FCW combined with AEB that operates at highway speeds reduced rear-end striking crash involvement rates by 27 percent, 43 percent, and 50 percent, respectively.

METHODOLOGY Poisson regression was used to compare rates of police-reported crash involvements per insured vehicle year in 22 U.S. states during 2010-2014 between passenger vehicle models with FCW…
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Date Posted
08/30/2017

Crash statistics show that lane departure warning systems have reduced all relevant crashes by 11 percent, and all relevant injury crashes by 21 percent, controlling for driver demographics.

METHODOLOGY Police-reported data for the relevant crash types were obtained from 25 U.S. states for the years 2009-15. Observed counts of crashes with fatalities, injuries, and of all severities for…
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Date Posted
08/28/2017

Simulations show that an eco-speed control algorithm can reduce fuel consumption up to 18 percent in the vicinity of signalized intersections.

Methodology The proposed algorithm is designed to derive the fuel-optimal driving trajectory for an individual vehicle by eliminating idling in the area of an isolated signalized intersection. The…
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Date Posted
07/31/2017

V2I advisory speed limit systems that smooth traffic flow on urban arterials can reduce wait time in stop-and-go traffic by 15 percent.

FINDINGS Benefits were greater if V2I communications were carried out over cellular networks instead of DSRC. This observation suggested that the longer communication ranges of cellular networks…
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Date Posted
06/27/2017

V2I advisory speed limit systems that smooth traffic flow on urban arterials can improve fuel economy by eight percent and reduce NOx emissions by nine percent.

FINDINGS Benefits were greater if V2I communications were carried out over cellular networks instead of DSRC. This observation suggested that the longer communication ranges of cellular networks…
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Date Posted
06/27/2017

Eco-Cooperative Adaptive Cruise Control algorithm demonstrates average savings of 15 percent in fuel consumption while reducing average delay by 80 percent within the traffic signalized intersection vicinity.

Methodology The system leveraged dedicated short-range communication (DSRC) capabilities between the roadway infrastructure and vehicles. The optimization was conducted in two steps: (1)…
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Date Posted
05/30/2017

Connected vehicles with automated braking assist technology can avoid 37 to 86 percent of crashes.

RESULTS  Between 37 percent and 86 percent of the simulated crashes could be avoided, with the highest percentage due to autonomous system braking at 0.7 g. The same system also reduced the…
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Date Posted
05/18/2017

U.S. cities that turned off their red light enforcement cameras experienced 30 percent more annual red-light running fatalities per capita than would have been expected had they been left on.

METHODOLOGY Study authors collected fatal crash data as well as population and unemployment data for large U.S cities, for cities both with and without red light camera enforcement. In the first…
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Date Posted
05/17/2017

Adaptive signal control systems that use connected vehicle data at a penetration rate of 60 percent can reduce average vehicle delay up to 60 percent under low demand scenarios.

METHODOLOGY Researchers conducted a literature review and noted that previous research on connected vehicles had some limitations analyzing impacts under conditions with less than 100 percent market…
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Date Posted
12/06/2016

HOV to HOT Lane conversion results in 22 percent reduction in annual vehicle hours of delay.

Methodology: The HOV/HOT lane conversion strategy assumes that the toll will be dynamically set as low as necessary to equalize demand across all lanes until the HOT lane's capacity is reached. The…
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Date Posted
11/06/2016

Simulation models show that a network of connected vehicles that support platoon-based intersection management applications can reduce average travel times by 30 percent when traffic volume is high.

EVALUATION METHODOLOGY A Simulation of Urban Mobility (SUMO) model was used to evaluate three different intersection management scenarios at an isolated intersection. Conventional fixed-time…
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Date Posted
11/04/2016

Simulation models show that a network of connected vehicles that support platoon-based intersection management applications can reduce fuel consumption by more than 20 percent when traffic volume is high.

EVALUATION METHODOLOGY A SUMO (Simulation of Urban Mobility) model was used to evaluate three different intersection management scenarios at an isolated intersection. Conventional fixed-time…
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Date Posted
11/04/2016

Intelligent advanced warnings of end-of-green at signalized intersections led to more stopping and milder deceleration compared to no warnings.

Methodology Studies were conducted using driving simulators comparing six types of roadway or in-vehicle warnings with a no-warning control condition. Using multilevel modeling, the study tested…
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Date Posted
10/28/2016

Broadcasting information from sensors and vehicles regarding status of on-street parking spaces reduces cruising time by 5-10 percent.

Content references source material no longer available at its original location.
Methodology Using an agent-based simulation, performance is compared between a bottom-up vehicle-to-vehicle communication strategy (V2V) and a strategy combining parking sensors and vehicle-to-…
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Date Posted
09/12/2016

Cooperative Adaptive Cruise Control in trucks could yield energy savings of 20-25 percent.

Benefits Fuel consumption of commercial trucks is significantly influenced by air resistance at highway speeds. Shorter following gaps can significantly improve fuel economy for large trucks.…
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Date Posted
09/12/2016

Forward collision warning systems with adaptive braking and anticipatory collision safety features can mitigate severity in 53 percent of rear-end collisions.

METHODOLOGY Driving Simulator Tests The effectiveness of a driver braking assistance system was assessed using a Berlin dynamic driving simulator. The system was designed to use radar to monitor…
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Date Posted
03/29/2016

Cooperative vehicle intersection signal control systems can reduce intersection stop time by more than 82 percent.

Content references source material no longer available at its original location.
FINDINGSDelay was defined as standstill time resulting from congestion at intersections. Compared to actuated control systems the CVIC system reduced total delay times between 82 and 100 percent…
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Date Posted
02/09/2016

Cooperative vehicle intersection signal control systems can reduce numbers of rear-end crash events by 30 to 87 percent.

Content references source material no longer available at its original location.
FINDINGSThe following two surrogate safety measures were analyzed.1) Time-to-collision (TTC) as a measure of time a vehicle would have before it collided with one another.2) Post-encroachment-time (…
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Date Posted
02/09/2016

Cooperative vehicle intersection signal control systems can reduce fuel consumption and emissions by 36 and 37 percent, respectively.

Content references source material no longer available at its original location.
FINDINGSApplying a microscopic level emissions and fuel consumption estimation model to the mobility data indicated that the CVIC system would contribute to improved air quality and fuel consumption…
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Date Posted
02/09/2016

In-vehicle driver speed advisory systems that use broadcast signal timing information can reduce fuel consumption and emissions by 12 and 14 percent, respectively.

Content references source material no longer available at its original location.
Based on the algorithms presented in this research, the fuel consumption and emissions savings for vehicles with velocity planning were estimated at 12 and 14 percent, respectively.The table below…
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Date Posted
02/09/2016

Coordination and sharing of transportation operations data may improve information flow and understanding between entities

The coordination and sharing of transportation operations data may:Improve information flow and coordination between all jurisdictions and agencies involved in an incidentEnhance the understanding of…
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Date Posted
12/08/2015

Current practice and comparison research on nationwide deployed Adaptive Signal Control Technology shows up to 26 percent reduction in travel time.

RESULTS: The report cites another source that compares the operational benefits of ACS-Lite, InSync, and SCATS. 12 studies (4 for each system) were compared. Of the benefits reported, the most…
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Date Posted
12/07/2015

Eco-driving can reduce emissions by more than 50 percent at signalized intersections.

FINDINGSThe results of the case study indicated that eco-driving can reduce emissions by more than 50 percent and reduce travel time by about seven percent compared to a normal driving strategy.
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Date Posted
12/07/2015

Sensors in vehicles can improve highway capacity by 43 percent while sensors equipped with vehicle-to-vehicle communication can increase capacity by 273 percent.

Methodology A formal analysis was conducted that set out to find safe following distances for vehicles utilizing sensors, vehicles utilizing sensors in conjunction with vehicle-to-vehicle (V2V)…
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Date Posted
03/31/2015

Sequential, dynamic curve warning guidance systems can reduce reduce reported crashes by up to 77 percent.

Content references source material no longer available at its original location.
There are several types of lane departure strategies to provide guidance to drivers entering a horizontal curve. These include low-cost solutions such as guardrails and rumble strips; but there are…
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Date Posted
03/31/2015

Automated vehicles can save more than 1000 lives annually with 10 percent market penetration.

FINDINGSCongestion benefits were estimated to accrue early after deployment followed by safety benefits as the system matures and market penetration levels increase. For example, with 10 percent…
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Date Posted
02/23/2015

Automated vehicles (AVs) can reduce congestion and save $1,400 per year per AV with 10 percent market penetration.

FINDINGS Congestion benefits were estimated to accrue early after deployment followed by safety benefits as the system matures and market penetration levels increase. For example, with 10 percent…
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Date Posted
02/23/2015

Pedestrian Crash Avoidance/Mitigation (PCAM) technologies result in 18.7 percent reduction in pedestrian injuries.

MethodologyPotential safety benefits are expected from the ability of the PCAM-equipped vehicle to avoid and mitigate crashes by a reduction in vehicle speed. The potential annual safety benefits…
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Date Posted
01/27/2015

V2V intersection and left turn assist applications can reduce crashes and injuries and may save between 777 to 1,083 lives per year.

MethodologyThe study authors identified 1,040,000 annual crashes that could be affected by IMA and LTA deployment. The authors then calculated the preliminary crash avoidance and crashworthiness…
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Date Posted
01/23/2015

Electronic Stability Control (ESC) saved an estimated 1,144 lives among passenger vehicle occupants in 2012.

MethodologyIn 2014, NHTSA updated ESC effectiveness estimated for PCs and LTVs. The report, "Updated Estimates of Fatality Reduction by Electronic Stability Control," by Chuck Kahane, provides…
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Date Posted
08/29/2014

Rear-visibility systems are expected to prevent over one thousand backover injuries each year.

FINDINGSThe effectiveness of rear-view video systems was estimated to range from 28 to 33 percent which is substantially better than alternative "sensor-only systems" currently available. Applying…
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Date Posted
06/30/2014

Adaptive traffic signal control strategies can reduce travel times up to 29 percent.

Content references source material no longer available at its original location.
FINDINGSThe table below summarize results from field studies. Adaptive Signal Control SystemTravel TimeDelaysStopsSCOOT-29% to -5%-28% to -2%-32% to -17%SCATS-20% to 0%-19% to 3%-24% to 5%OPAC-26% to…
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Date Posted
06/30/2014

In-vehicle warning systems that provide drivers with auditory alerts of approaching red-light running vehicles can reduce collisions by 75 percent.

METHODOLOGYFifty (50) men and women were recruited to participate in the experiment. Participants were divided into two groups consisting of 24 professional taxi drivers and 26 non-professional…
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Date Posted
06/30/2014

Connected eco-driving applications can improve fuel economy 10 to 15 percent.

FINDINGSPreliminary results indicated that the eco-driving velocity planning algorithm improved fuel economy 10 to 15 percent compared to the baseline case without the system.Researchers found that…
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Date Posted
03/26/2014

A potential average reduction in rear-end conflicts of approximately 22 percent for moderate volume levels and 43 percent for high volume levels are projected to be most eliminated by a weather-responsive traffic signal system.

The survivable weather-responsive traffic signal system developed as part of this project was evaluated and tested by conducting two analyses: traffic system benefits analysis and software testing…
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Date Posted
12/17/2013

Using wireless communications and GPS tracking can save from $80 to $309 per truck per month by reducing empty miles according to analyses in the HAZMAT FOT Final Synthesis.

FINDINGSRegardless of technology configuration in the FOT, two technologies create the enabling platform on which the other test technologies operate - Wireless Communications and asset positioning/…
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Date Posted
11/19/2013
Taxonomy (ARC-IT) Freight Administration (CVO02)

Using wireless communications and GPS tracking can result in benefit-cost ratios ranging from 1.0:1 to 7.2:1 addressing HAZMAT safety and security issues according to analyses in the HAZMAT FOT Final Synthesis.

FINDINGSThe benefits presented in Section 6 of the synthesis document were compared to the generally, more high-end costs of the satellite and terrestrial-based product/service offerings to estimate…
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Date Posted
11/19/2013
Taxonomy (ARC-IT) Freight Administration (CVO02)

Eco-driving can improve truck fuel economy by up to 22 percent

Content references source material no longer available at its original location.
METHODOLOGYThe study consisted of two stages; stage one was the control period, stage two was training and instant driver feedback. The study process was as follows:Established baseline metrics: data…
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Date Posted
10/03/2013

For the industry data sample provided in this analysis, RSC technology is more effective than ESC technology at preventing rollover, jackknife, and tow/stuck crashes, thus providing greater benefit to society and carriers with markedly lower installa

METHODOLOGYCrash RatesTo begin the RSS data analysis, it was first necessary to establish the crash rates for trucks equipped with ESC, RSC and no RSS technology. A separate crash rate was calculated…
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Date Posted
10/03/2013

In some situations, up to seventy five percent of all days can be missing data at urban locations when calculating annual average daily traffic statistics with archived ITS data.

METHODOLOGYFive locations were chosen for the study: two urban interstate highways with significant commuter traffic, one urban parkway with commuter traffic and recreational trips, and two rural…
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Date Posted
10/02/2013

Electronic Stability Control (ESC) systems can reduce the risk of fatal crashes by 33 percent.

MethodologyThe vehicle models included in this study were general fleet vehicles that changed from no ESC available in one model year to ESC as standard equipment in the next model year without any…
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Date Posted
08/19/2013

Transit signal priority reduced average bus travel times by 7.5 and 15 percent along major bus corridors in Los Angeles and Chicago, respectively.

FindingsTravel Time SavingsTravel time savings associated with TSP in North America have ranged from 2 to 18 percent, with typical reductions of 8 to 12 percent. In Los Angeles, the MTA saw a 7.5…
Content type
Date Posted
06/03/2013
Taxonomy (ARC-IT) Transit Signal Priority (PT09)

Full deployment of mobility applications may be capable of eliminating more than 1/3rd of the travel delay that is caused by congestion.

MethodologySince the Dynamic Mobility Applications (DMA) are still being defined, they have neither been field-tested nor simulated. However there have been some simulation, field-testing, and…
Content type
Date Posted
06/03/2013

Nearly 92 percent of warnings issued to drivers by an improved prototype Lane Departure Warning System are valid.

MethodologyThe CTS system utilizes an integration of the Lucas-Kanade (L-K) optical flow method, as well as the Hough transform-based lane detection method, in order to reliably track vehicle…
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Date Posted
05/09/2013

Eco-cruise control (ECC) systems that use topography information to maximize engine performance can reduce fuel consumption 5 to 15 percent.

FINDINGS The I-81 simulation found that real-time applications for predictive ECC can reduce fuel consumption up to 15 percent when compared to conventional cruise control systems, however, for…
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Date Posted
05/09/2013

Connected vehicle technologies can improve roadway capacity by 20 percent with relatively low market penetration .

FINDINGSResults from the simulation (subject to several assumptions and simplifications) indicated that connected vehicle technologies can increase capacity by 20 to 50 percent. Benefits varied…
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Date Posted
05/09/2013

NHTSA estimates that annual fatalities in backover crashes would be reduced by 95 to 112 fatalities and annual injuries by 7,072 to 8,374 injuries if all vehicles were equipped with rearview cameras.

FindingsNHTSA determined through extensive testing that the only technology available that would significantly decrease the number of backover crashes resulting in fatalities or injuries is the…
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Date Posted
01/03/2013

Forward collision warning systems have potential to prevent 23.8 percent of crashes involving large trucks.

Content references source material no longer available at its original location.
FINDINGS The following data listed in Table 3 of the source report and drawn from the LTCCS Analysis Report (Kingsley 2009) ranked ITS countermeasures by their potential to prevent crashes.…
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Date Posted
12/07/2012

A survey of US and foreign Adaptive Traffic Control Systems (ATCS) users reported that 71 percent thought ATCS outperformed conventional traffic signal systems.

Methodology ATCS ideally outperform the traditional systems when the system is experiencing non-recurring congestion, such as that caused by incidents and special events. The benefits of these…
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Date Posted
10/31/2012

The U.S. Customs and Border Protection ACE e-Manifest System provides annual cost savings of over $2,000 to carriers and inspection staff in all but one scenario analyzed.

Content references source material no longer available at its original location.
FindingsSurvey based results on the e-Manifest system were mixed primarily due to early adoption learning curves, as well as high training and other initial setup costs. While a web-portal system is…
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Date Posted
10/02/2012

The U.S. Customs and Border Protection ACE e-Manifest System provides annual cost savings of over $2,000 to carriers and inspection staff in all but one scenario analyzed.

Content references source material no longer available at its original location.
FindingsSurvey based results on the e-Manifest system were mixed primarily due to early adoption learning curves, as well as high training and other initial setup costs. While a web-portal system is…
Content type
Date Posted
10/02/2012

A multi-jurisdictional emergency response crew in the Phoenix metropolitan area provides services to six cities with a benefit-cost ratio of 6.4:1.

Findings Some examples of benefits from regional transportation operations collaborations include: A multi-jurisdictional emergency response crew in the Phoenix metropolitan area provides…
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Date Posted
10/02/2012

Ninety-four percent (94 percent) of motor carrier companies surveyed say that electronic credentialing is more convenient, 80 percent saw savings in staff labor time, and 58 percent achieved costs savings over manual methods.

MOTOR CARRIER SURVEYElectronic credentialingApproximately 13 percent of motor carriers (representing nearly 46 percent of power units) reported using electronic credentialing within 12 months of the…
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Date Posted
08/24/2012

Using Inspection Selection Systems (ISS) and out-of-service (OOS) history information provided by safety information exchange programs can lead to significant reductions in crashes injuries and fatalities due to heavy vehicles.

FINDINGSThe CVISN safety analysis examined the potential benefits using a centralized national and statewide safety database to enhance administrative processes associated with information exchange…
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Date Posted
08/24/2012

Nearly all respondents (98 percent) to a nationwide motor carrier survey reported that CVISN electronic screening improved shipping times and reduced turnaround time delays.

MOTOR CARRIER SURVEYBetween December 29, 2006 and March 19, 2007 a total of 848 commercial motor carriers responded to a telephone survey to collect information on the attitudes of private-sector…
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Date Posted
08/24/2012

Tire pressure monitoring and maintenance systems improved motor carrier fuel economy by 1.4 to 1.8 percent.

Content references source material no longer available at its original location.
FINDINGSPreliminary findings from the five hypotheses tested are shown below.Hypothesis 1 - Tire pressure monitoring systems (TPMS) or automatic tire inflation systems (ATIS) use will increase the…
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Date Posted
08/24/2012
Taxonomy (ARC-IT) Freight Administration (CVO02)

CVISN technologies that improve carrier compliance can increase safety and carrier efficiency; benefit-to-cost ratios approach 7.5 for electronic screening and 2.6 for electronic credentialing.

BENEFIT-TO-COST ANALYSIS Overall, the benefits and costs of statewide CVISN applications were dependent on the system configuration and cost, level of deployment, and the benefits of crash avoidance…
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Date Posted
08/24/2012

Fare collection systems that use electronic tickets or passes can reduce passenger boarding times by 13 percent compared to driver operated systems that require exact change.

BRT system performance was assessed using six key performance attributes: travel time, reliability, identity and image, safety and security, capacity, and accessibility. The potential of ITS…
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Date Posted
08/24/2012

Simulated Rural Highway Driver Warning Systems (RHDWS) showed a potential reduction of critical events by 21 percent, a decrease of 71 percent for runoff-road crashes, and contributed to smoother driving on the curvy highway.

The Rural Highway Driver Warning System (RHDWS) is designed for preventing run-off-road (ROR) collisions on curvy rural highways. In this system, three types of warnings were provided to the drivers…
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Date Posted
12/18/2011

Over a 20-year lifecycle, NG9-1-1 would likely cost about the same as maintaining the status quo of the current 9-1-1 system, but deliver 80 percent additional value.

METHODOLOGYThe value analysis considered multiple stakeholder perspectives in an attempt to leverage expectations to identify the key performance indicators for 9-1-1 and the potential performance of…
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Date Posted
09/30/2011

A modeling study found that alerting drivers to the status of upcoming traffic signals led to smoother decelerations to the intersection, and thereby reduced fuel consumption and lowered emissions by up to 40 percent for passenger vehicles.

METHODOLOGYThe study modeled the impact of a roadside changeable message sign (CMS) and an in-vehicle driver alert system on fuel consumption and CO2 emissions. Although the savings for one vehicle…
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Date Posted
09/28/2011

A benefit-cost analysis of Forward Collision Warning Systems for the trucking industry found benefits per dollar spent values of $1.33 to $7.22 with varying estimates of efficiency and annual VMT.

METHODOLOGYThe technology evaluated represented a typical system available on the commercial market designed to provide audible and/or visual warnings to drivers when another vehicle or object is…
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Date Posted
09/20/2011

A benefit-cost analysis of Lane Departure Warning System for the trucking industry found benefits per dollar spent values of $1.37 to $6.55 with varying estimates of efficiency and annual VMT.

METHODOLOGYThe technology evaluated represented a typical system available on the commercial market that can warn drivers of unsafe lane departures using a forward-looking video camera and on-board…
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Date Posted
09/20/2011

Electronic Freight Management (EFM) technologies enable significant improvements in supply chain visibility, productivity, and effectiveness through simultaneous data sharing.

FINDINGSBroad Industry BenefitsA September 2008 case study entitled Beyond Visibility: Driving Supply Chain Responsiveness included an expanded survey response from a total of 349 companies. One-…
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Date Posted
05/11/2011
Taxonomy (ARC-IT) Freight Administration (CVO02)

Implementing an enhanced Automatic Collision Notification (ACN) system in all passenger vehicles in the US could help improve outcomes for over 15,200 drivers each year involved in moderate to high severity crashes.

FINDINGSAlthough findings are based on preliminary data with relatively low crash counts, the implications are clear. Looking at the complete US, 10 percent of all BMW ACN crashes had no voice…
Content type
Date Posted
05/06/2011
Taxonomy (ARC-IT) Mayday Notification (PS04)

An enhanced Automatic Collision Notification System enables three quarters (75.9 percent) of injured occupants to be correctly identified as seriously injured, by using only data automatically collected and transmitted by the vehicles.

FINDINGSSeriously injured vehicle occupants are defined as those who have sustained one or more injuries with an Abbreviated Injury Severity (AIS) Score of 3 or higher (includesAIS 3, AIS 4, AIS 5,…
Content type
Date Posted
05/06/2011
Taxonomy (ARC-IT) Mayday Notification (PS04)

A Side Object Detection System (SODS) for transit buses was cost-effective with a baseline benefit-cost ratio of 1.43 and a ratio range of 0.37-3.55.

FINDINGS Results showed that the Side Object Detection System (SODS) was the only cost-effective system, with a benefit-cost ratio ranging from 0.37 to 3.55. The cost-effectiveness of SODS is…
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Date Posted
12/15/2009

Bus rapid transit (BRT) can reduce transit running times by 38 to 69 percent, increase ridership by 35 to 77 percent, and improve service reliability.

FINDINGSThe costs and performance data collected from selected agencies were input into the Practitioner’s Guide and used to model six different BRT development scenarios. The analysis provided a…
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Date Posted
10/09/2009

Increasing integration between AVL systems, components, and interfaces has improved the ability of transit agencies to collect data on location and schedule adherence; support operational control, service restoration, and planning activities.

Electronic credentialing allowed trucks to be placed into service an average of 3.5 days sooner than paper-based systems.

CVISN Business Case Analysis of Electronic CredentialingThe benefits of electronic credentialing reported below are based on the data provided by 38 motor carriers and service bureaus contacted by…
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Date Posted
09/25/2009

An analysis of benefits and costs of Roll Stability Control (RSC) Systems for the trucking industry found benefits per dollar spent values of $1.66 to $5.34 with varying estimates of efficiency and annual VMT.

Content references source material no longer available at its original location.
For the Benefit Cost Analysis, the benefits in terms of crash cost avoidance were compared to the costs in terms of total technology costs. The data for the potential benefit, measured in terms of…
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Date Posted
09/03/2009

Through use of the Roll Stability Control (RSC) systems, it was estimated that between 1,422 and 2,037 combination vehicle rollover crashes in curves could be prevented, resulting in effectiveness rates of 37 percent and 53 percent, respectively.

Content references source material no longer available at its original location.
The methodology for this analysis was based on estimates of crash cost avoidance for the primary types of crashes that can be addressed by the RSC systems on combination vehicles. RSC system benefits…
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Date Posted
08/29/2009

A study evaluating data archiving at more than 60 organizations found that data warehousing generated an average return on investment of 401 percent over three years.

This report provides a literature review of general data management practices. One source reveals that:A 1998 study, which used information gathered from more than 60 organizations that had…
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Date Posted
11/19/2008

A nationwide survey evaluating overheight/oversize warning systems found that eight states that deployed active infrared light or laser activated warning systems had fewer overheight load strikes on infrastructure components.

This research attempts to synthesize existing data and previous research to develop a comprehensive examination of the state-of-the-practice for oversized vehicle warning devices. The lack of…
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Date Posted
11/07/2008

Evaluation data show that forward collision warning systems (CWS) alone, and CWS bundled with adaptive cruise control (ACC) and advanced braking systems (AdvBS) can improve safety for commercial vehicles.

RESULTSThe 100 Volvo Class 8 tractors deployed were divided into three groups. The first group of 20 “Baseline” tractors was operated without the three safety systems for approximately two years. The…
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Date Posted
10/02/2008

Approximately 50 percent of Commercial Vehicle Information Systems and Networks (CVISN) managers surveyed indicated that CVISN electronic credentialing systems can save staff time and labor, allowing additional support to be assigned to more critical

Self-evaluation survey forms were made available to state CVISN managers encouraging them to record and share information regarding their experiences with their electronic screening, safety…
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Date Posted
09/26/2008

Survey data collected from tractor trailer drivers with one to three years of experience driving with intelligent vehicle safety systems (IVSS) indicate that IVSS lowers their perceived workload by 14 to 21 percent over a range of driving conditions.

RESULTS This report presents findings from an analysis of the data collected through driver surveys conducted at both the beginning and the end of the evaluation period. The first survey (Phase I)…
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Date Posted
09/23/2008

Widespread deployment of integrated countermeasure systems could prevent over 48 percent of rear-end, run-off-road, and lane change crashes.

Rear-end, roadway departure, and lane-change crashes accounted for about 60 percent of all light vehicle and heavy commercial truck crashes, resulting in 1,550,000 and 69,000 injured persons,…
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Date Posted
09/16/2008

While both cars and sport utility vehicles (SUVs) benefit from electronic stability control (ESC) systems, evaluation data suggest that the reduction in the risk of single-vehicle crashes was significantly greater for SUVs (49 percent) than for cars

Content references source material no longer available at its original location.
RESULTSWhile both cars and SUVs benefit from ESC, the reduction in the risk of single-vehicle crashes was significantly greater for SUVs — 49 percent versus 33 percent for cars. The reduction in…
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Date Posted
09/08/2008

Automatic anti-icing systems on bridges reduced crashes by 25 to 100 percent and benefit-to-cost ratios ranged from 1.8:1 to 3.4:1.

An extensive literature review on automatic bridge deck anti-icing systems was executed. Researchers also reviewed the experiences of several transportation agencies that deploy such systems.…
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Date Posted
08/08/2008

Two surveys asked motor carriers what the motivation was for safety technology installation. A clear majority of the respondents indicated that crash reduction (68%) and lower insurance rates (52%) were key benefits.

The initial costs for collision warning systems (CWS) can be high making it difficult for fleets that experience few crashes to deploy cost-effective solutions.

BENEFIT-COST ANALYSISA high-level benefit-cost study was conducted to estimate the potential impacts of widespread deployment. The benefit-cost model evaluated four deployment scenarios: CWS applied…
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Date Posted
05/23/2008

Approximately 80 percent of the truck drivers surveyed indicated that collision warning systems made them more vigilant, helped them maintain a safer following distance, and increased their reaction time and awareness.

CUSTOMER SATISFACTIONTelephone interviews were conducted with 200 drivers in two phases to assess their perceptions and acceptance of system performance. Phase-1 (22 – 27 October 2001) included 117…
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Date Posted
05/23/2008

A survey of State and local transportation agencies found that AVL applications for highway maintenance can have benefit-to-cost ratios ranging from 2.6:1 to 24:1 or higher.

RESULTSThe assessment indicated that the application of AVL in highway maintenance has a benefit-to-cost ratio ranging from 2.6:1 using conservative assumptions, to 24:1 (or higher) using moderate…
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Date Posted
05/22/2008

Trucks equipped with collision warning systems, adaptive cruise control, and advanced braking systems have the potential to reduce truck-initiated rear-end crashes by up to 28 percent.

FINDINGSThe results indicated that trucks equipped with CWS or the bundled system (CWS + ACC + AdvBS) can avoid up to 21 percent or 28 percent of rear-end crashes, respectively.CWS was the most…
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Date Posted
05/19/2008

HAZMAT safety and security technologies can have tremendous societal cost savings well beyond the break even point for benefits and costs.

FINDINGSTechnology performance overall for the technologies was good, with most technologies performing well under operational conditions with the exception of fingerprint recognition and electronic…
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Date Posted
02/06/2006

HAZMAT safety and security technologies can reduce the potential for terrorist consequences by approximately 36 percent.

FINDINGS The tested technologies showed the capability to significantly reduce the vulnerability of hazardous materials transportation, with the greatest reductions for the attack profile: theft.…
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Date Posted
02/06/2006

A 1999 FHWA study suggested that lane departure warning systems have the potential to reduce road departure crashes by 10 percent for passenger vehicles and 30 percent for heavy trucks.

To evaluate the system, driver experiments were conducted and the RORSIM vehicle dynamics model was programmed to simulate the lane keeping ability of real drivers, and provide estimates of crash…
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Date Posted
01/27/2006

Most truck drivers who participated in an evaluation of CVISN technology felt that electronic screening saved them time but lacked a set of standards governing inspection selection; motor carriers were concerned with the cost-effectiveness of the tec

Customer satisfaction studies were conducted. Mail-in surveys were received from 158 motor carriers and in-person interviews were conducted with 61 truck drivers. FINDINGSMotor carriers were…
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Date Posted
08/14/2002

An evaluation of CVISN technologies found that electronic credentialing enabled carriers to commission new vehicles 60 percent faster, and saved 60 to 75 percent on credentialing costs by reducing paperwork.

In-person interviews were conducted to obtain cost data from motor carriers and state agencies participating in the International Registration Plan (IRP), and International Fuel Task Agreement (IFTA…
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Date Posted
08/14/2002

CVO inspectors participating in CVISN focus groups felt that CVISN technology saved time, and improved the speed and accuracy of data reporting.

Customer satisfaction studies were conducted. Three-hundred and seventy (370) questionnaires were collected from CVO inspectors and 50 inspectors participated in focus groups.FINDINGSOverall, CVO…
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Date Posted
08/14/2002

An evaluation of CVISN technologies found that electronic screening techniques that promote compliance with commercial vehicle safety inspections could prevent thousands of truck accidents each year.

Commercial vehicle crashes were relatively rare in the program study area, therefore, safety benefits were estimated using a crash avoidance probability model. The model used inspection selection…
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Date Posted
08/14/2002

In 1996, the project benefits of existing and planned deployments of transit ITS technologies were estimated to yield between $3.8 billion and $7.4 billion (discounted dollars for 1996) within several years.

A series of interviews with commercial vehicle operators across the U.S. indicated that truck and motorcoach drivers are in strong agreement in favor of some ITS applications, but have mixed opinions about other applications.

An NHTSA modeling study indicated that lane change/merge crash avoidance systems would be 37 percent effective and road-departure countermeasure systems would be 24 percent effective.

In 1997, a modeling study conducted by the NHTS found that lane change/merge crash avoidance system would be effective in 37 percent of crashes, and the road-departure countermeasure system would be…
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Heads up display pedestrian collision warnings help reduce reaction time, maximum deceleration, and, in some cases, stopping distance and braking time.

Findings/Benefits Reaction, Braking Time, and Time to Stop: Post-hoc tests found the virtual shadow reduced reaction time while increasing braking time, resulting in the same time to stop as the…
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Dynamic parking management strategies may improve the ability to find on-street parking, yield environmental benefits, and improve access to local businesses.

Dynamic Parking ManagementDynamic parking management attempts to manage demand for parking spaces through variable parking rates and dissemination of real-time parking availability information. The…
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A NHTSA modeling study indicated that forward collision warning systems, lane change/merge crash avoidance systems, and road-departure countermeasure systems would yield and annual economic benefit of $25.6 billion (1994).

An NHTSA modeling study concluded that rear end crash driver warning systems, lane change/merge crash avoidance system, and the road-departure countermeasure system could result in an annual economic…
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Simulated Work Zone Driver Warning System (WZDWS) showed a potential to reduce the safety risks at work zones under certain conditions.

Work Zone Driver Warning System (WZDWS) is designed for preventing collisions associated with work zones. It includes an in-vehicle driver warning subsystem and a real-time Dynamic Message Sign (DMS…
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Improve Communication Standards for Vulnerable Road Users to Properly Connect Them to the Connected Vehicle Communications Infrastructure.

  This study included lessons for data dictionary /taxonomy and harmonization, use case and data exchange specifications, reference architectures and service packages, specifications for PROW…
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Date Posted
02/29/2024

Consider Data Collection Capability When Selecting Performance Measures for Mobile Device-Based Systems.

Identify local stakeholder and transportation infrastructure needs. This could be best achieved by outreach efforts with stakeholder engagement and technical working group meetings to ensure…
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Date Posted
01/31/2024

Enhance Understanding of Advanced Driver Assistance Systems Usage and Activation in Different Scenarios by Incorporating Additional Data Sources, such as Vehicle-Based Telematics.

Enhance understanding of ADAS usage and activation in different scenarios by incorporating additional data sources, such as vehicle-based telematics. This study utilized crash and vehicle…
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Date Posted
05/26/2023

Demonstrate the Value Proposition of Integrated Corridor Management by Monetizing its Benefits, Such as Improved Travel Time Reliability and Predictability.

Below are the lessons learned from this study:Clearly demonstrate the benefits of ICM by focusing on its impacts on travel time reliability and travel time predictability. Since costs pile up…
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Date Posted
03/28/2023

Take Account of Potential Impacts to Both Bus Passengers and External Vulnerable Road Users When Setting Deceleration Parameters for Automated Transit Bus Applications.

Establish guiding principles in advance to carefully consider tradeoffs such as maximum deceleration limits in protecting passenger and external vulnerable road users. System developers should…
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Date Posted
09/20/2022

Video Cameras Equipped With Lens Cleaning Systems Are Universally Recommended To Help Winter Maintenance Vehicle Drivers Observe and Operate Plow Equipment More Safely and Effectively.

Include camera washer system and heated lenses on winter maintenance vehicles to avoid image quality degradation from dirt or snow accumulation. According to this study, the most commonly reported…
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Date Posted
09/16/2022
Taxonomy (ARC-IT) Winter Maintenance (MC04)

Engage Technology Vendors or Manufacturers To Provide Hands-On Demonstration and Training for Equipment Deployment To Validate and Verify Technology Capabilities and Readiness.

Initial findings and insights from grantees revealed the following institutional, project management, and technical challenges and lessons learned: Engage technology vendors or manufacturers to…
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Date Posted
07/26/2022

Sending Train Location and Arrival Times to Automated Vehicles near Traversals on Highway-Rail Grade Crossings Can Prevent Potential Dangers.

The main takeaways from the workshop’s collaborators and stakeholders are summarized as follows: Consider sharing or broadcasting specific train data to AVs approaching an HRGC to prevent potential…
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Date Posted
07/23/2022

Improve Rapid Decision Making for Automated Vehicle Safety Systems Using Crowdsourced Data and Machine Learning To Emulate Human Risk Assessment in Unfamiliar and Dangerous Environments and Scenarios.

Select all relevant labels from the perspective of others when annotating for efficiently estimating data distributions. In ambiguous or subjective domains, multiple valid interpretations may exist…
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Date Posted
06/23/2022

Use Infrared Markings and Radio Frequency Identification (RFID) Tags to Ensure Information on Roadside Machine-Readable Signs is Delivered to Vehicles.

Tighten standardizations in the Manual on Uniform Traffic Control devices (MUTCD). This should be done within and between states to make the manufacturers job easier as it would increase the…
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Date Posted
03/22/2022

Provide Location-Based Data Consistently, with Spatial Accuracy of 20 Centimeters or Better, to Support Connected and Automated Vehicles.

Code and quantify CAV-Path data consistently at the national level. To develop usable national CAV-Path data that will be easily computable by a CAV, it must be consistent. The data provided by…
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Date Posted
03/21/2022

Provide Targeted Incentives for Ridesharing to Reduce Vehicle Miles Traveled by Focusing on Particular Geographies or Population Segments.

Offer customers more than one shared product option with time delay and price points to increase the proportion of shared trips. A high degree of heterogeneity in user preferences was found in the…
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Date Posted
02/24/2022

Establish People-Centered "Living Labs" To Accelerate the Implementation of Smart City and Community Solutions.

Study Based on Industry Stakeholder Interviews Recommends Tightening Uniformity of Traffic Control Devices to Meet the Needs of Automated Vehicles.

This project identified the following research needs and suggestions from stakeholder interviews concerning uncertainties regarding AV deployment and the potential mix with human-driven…
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Date Posted
07/27/2021

Supplement Traditional Methods with Third-party Passive Data Product for Faster, Accurate, Real-Time or Asynchronous Data Collection.

This study led to the following lessons learned regarding each of the three technologies reviewed: In general, Bluetooth excels in projects of a temporary nature such as construction corridor…
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Date Posted
06/22/2021

Roadside and Truck-Mounted Signs and Indicators Can Increase Surrounding Drivers' Understanding of Truck Platooning Maneuvers.

Use newly designed signs or indicators to effectively influence drivers’ perceptions of trucks’ operations and the relationship between them. Over 60 percent of participants presented with the novel…
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Date Posted
05/26/2021

Well-Defined Standards and Metrics, Multimodal Integration, Recognizing Potential Insurance and Accessibility Issues, and Balanced Data Sharing Contribute to the Success of Shared Mobility Services.

Development of this primer was made possible by 23 specialists and practitioners that conducted an expert review of this primer and participated in a one-day workshop in June 2015 to discuss shared…
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Date Posted
05/24/2021

Market Assessment Research Finds Current Automation Technology for Non-transit Vehicles May Have Limited Applicability for Transit Service.

The main key findings of this report include the following: Attention is needed when adopting current automation technology designed for non-transit vehicles because they may have limited…
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Date Posted
04/27/2021

Automated Traffic Signal Performance Measures (ATSPM) Programs Can Help Agencies Manage Large Datasets and Maintain Agency Focus on Priority Locations and Metrics.

The following lessons were derived from the source report. Develop a Measures of Effectiveness (MOE) framework to focus attention on the most important metrics for each corridor. Large…
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Date Posted
03/30/2021

Top Cybersecurity Measures That TMC’s Are Employing Include: Routinely Scanning Network To Identify Attached Devices; Residing Vender-Supported Software on Demilitarized Zone of Network; and Using Access Control Lists.

Below is a summary of noteworthy practices identified by agencies responding to a questionnaire and existing reference literature and correlating them to the CIS Top 20 controls. Following a scan…
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Date Posted
03/18/2021

Communicate Clearly: Researchers Offer Suggestions for Automated Vehicles (AVs) Integrating External Human-Machine Interface Systems (eHMIs).

The suggestions offered by the researchers included the following: Include smart infrastructure in urban environments. Researchers noted the risk that pedestrians may become used to AVs reliably…
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Date Posted
02/26/2021

Share Data, But Be Smart: Recommendations from TCRP.

The end of the report includes summarized key findings. These included the following recommendations and identified best practices: Share data on transit passengers to generate value. The data…
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Date Posted
02/26/2021

Consider and Establish Metrics to Ensure Benefit from UAVs, Study Suggests.

Content references source material no longer available at its original location.
BEST PRACTICES Establish consistent metrics to evaluate the success of the UAS deployment. The authors noted that current metrics exhibited significant gaps, which could be filled via integration of…
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Date Posted
01/25/2021

Before Developing a Queue Warning System (QWS) for Use on Conventional Highways, Identify Plans for Verifying Crashworthiness of QWS Support Structures, Signage, and Traffic Detection and Communications Hardware.

Before developing a low-cost QWS, an investment in funding for crash testing is strongly recommended to verify that signage support structures with QWS traffic sensors and communications hardware…
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Date Posted
12/18/2020
Taxonomy (ARC-IT) Queue Warning (VS08)

Identify Local Protocols and Regulations That May Constrain the Structure and Content of Traveler Information Messages on Dynamic Message Signs (DMS).

Agencies should build on existing institutional arrangements in an attempt to build consensus, developing clearly defined roles and responsibilities along with tempered expectations. Within these…
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Date Posted
12/17/2020

Assess Business Models for Private Mobility Services with Detailed Analysis of Modes and Revenue Channels to Assess the Feasibility of Implementing Mobility-On-Demand (MOD) Solutions.

This MOD sponsored project focused on understanding MOD Business Models. Business Models in the MOD marketplace are constantly evolving and “understanding business models underlying mobility…
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Date Posted
12/16/2020

Thoughtful Planning and Implementation of Mobility on Demand (MOD), Including Understanding its Impacts on the Transportation Network, are Critical to Balancing Public Goals with Commercial Interests.

Some of the most important findings from this project include: Consumers are increasingly assigning economic values to modes and engaging in multimodal decision-making processes based on a variety…
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Date Posted
11/30/2020

Equipping large trucks with lane departure warning and video-based on-board safety monitoring systems were found to be cost effective on a societal level, while results for automatic emergency braking were mixed.

Content references source material no longer available at its original location.
Equipping large trucks with lane departure warning (LDW) and video-based on-board safety systems were found to be cost effective on a societal level for all combinations of costs, efficacy, and…
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Date Posted
10/29/2020

Using a common work zone data specification has the potential to save lives.

Background Information: The U.S. DOT launched the Work Zone Data Exchange (WZDx) Project in March 2018, following a December 2017 Roundtable on Data for Automated Vehicle (AV) Safety that highlighted…
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Date Posted
10/19/2020

SmartPark benefit-to-cost assessments should be conducted early in a deployment to enable private truck stop operators time to build a solid business case for participation.

Key findings and deployment recommendations: Start projects where potential benefit-to-cost ratios are greatest. Benefit-to-cost assessments should be conducted early in a SmartPark project to…
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Date Posted
06/30/2020

Active monitoring and responsivity to data stream is critical to accurate collection of bicycle and pedestrian data.

The collection and use of bicycle and pedestrian data on a broad scale is an emerging field within traffic monitoring. It is not yet institutionalized or nationally mandated like motor vehicle data…
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Date Posted
06/15/2020

Prioritize safety and privacy while collecting Connected Vehicle data to ensure public acceptance.

Connected Vehicles (CV)s are those that have the ability to communicate with nearby vehicles, infrastructure, or even with devices held by pedestrians. Through this communication, CVs can ensure that…
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Date Posted
06/15/2020

Make data publicly available for crowdsource verification and validation.

Quality assurance and quality control methods for collecting transportation data are common topics of concern for agencies. The TRB committee assembled a list of best practices for field device…
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Date Posted
06/15/2020

Study suggests that drivers using advanced driving assistance systems (ADAS) may need more training on these systems.

Drivers with stronger mental models (i.e. understanding) of ADAS performed significantly better compared to drivers with weaker mental models. Drivers with stronger mental models were faster to…
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Date Posted
06/12/2020

Flexibility, innovation, and coordination are important to creating a culture of success for traffic monitoring programs.

Traffic monitoring programs are typically managed by the planning department of a state DOT or other regional transportation agency. Such departments typically have responsibility over data…
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Date Posted
05/20/2020

Multiple cities and transportation officials release best practices on how to regulate shared micromobility services.

This source report outlined experiences of cities and city transportation officials throughout the United States and focused primarily on dockless micromobility services operated by private providers…
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Date Posted
05/20/2020

FTA guide informs transit agency officials on how to design an appropriate evaluation for transit-automation technologies while also remaining aware of the constraints faced.

FTA recommends the following steps for designing and implementing an evaluation of a transit-automation project. Identify program goals and audience. It is critical to identify transit program goals…
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Date Posted
04/27/2020

Federal Transit Administration research offers ideas on how to overcome common challenges for transit agencies looking into implementing integrated payment systems.

The assessment identified major challenges faced by agencies seeking to update their service and offered recommendations to meet them: Fare Simplification. Many transit agencies have had their…
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Date Posted
03/25/2020

Agencies can use Open-Source Software (OSS) to respond flexibly and efficiently to stakeholder needs; although additional training may be required, the low cost and adaptability of OSS offer great benefits.

The paper noted some key lessons learned for OSS: Greater control and faster response to strategic software development priorities. Agencies using OSS may have much closer control over their…
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Date Posted
02/26/2020

Transit agencies planning to replace their traditional diesel-fueled buses with zero-emission buses will need to consider the effects of extreme weather on the fuel-economy of zero-emission buses.

Fuel economy of electric drive buses may vary significantly with temperature. The study concluded that the effects of temperature change on range may be particularly important in planning fleet…
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Date Posted
02/25/2020

Keep procurement requirements flexible and up-to-date, suggests a Center for Urban Transportation Research report on open-source software for transit management.

BEST PRACTICES The authors noted recommendations for agencies considering the implementation of OSS: Agencies should update procurement requirements and practices. While OSS may not always be the…
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Date Posted
02/24/2020

European researchers offer suggestions for agencies seeking to encourage growth of sustainable transportation options such as automated shuttles.

As part of this effort, the team identified key areas to be considered in future work on automated shuttles. They issued the following recommendations: Create sustainable mobility ecosystems. The…
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Date Posted
01/27/2020

Agencies planning to acquire crowdsourced data to support real-time traveler information systems should clearly specify temporal and spatial coverage and sample size requirements since proprietary products will likely have limited transparency.

Lack of transparency in proprietary methods used to clean, process, and aggregate crowdsource data is often cited as the main reason transportation agencies are hesitant to integrate these data into…
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Date Posted
01/27/2020

Nationwide survey shows agencies planning to upgrade legacy data-management systems should invest in IT infrastructure and upgrade staff skills to handle large crowdsource data sets.

The large size of crowdsource data sets pose challenges to agencies' legacy data-management systems. Agencies should invest IT infrastructure including computing, storage, and management capabilities…
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Date Posted
01/27/2020

The signal quality and message integrity of DSRC-based V2V applications that alert drivers of reduced visibility and dangerous road weather conditions are maintained even in foggy environments.

The results of the simulation indicated that a DSRC signal with a wavelength of 0.05 meter will persist in its integrity and quality while propagated through a foggy environment under a wide range of…
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Date Posted
12/30/2019

Study finds that over time using advanced assistive driver technologies can increase unsafe driving behavior.

Using ADAS resulted in "increased occurrence of distracted driving behaviors." L2 systems did not increase distracted driving behaviors ADAS systems reduced the incidence of speeding behavior by…
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Date Posted
12/23/2019

Vehicle-to-vehicle (V2V) communications alone could provide enough information to replace or supplement existing traffic monitoring systems.

Speed accuracy: Simulation results show that a positive correlation exists between speed estimation accuracy and the g/C ratio. When g/C<1 (with traffic signals), results show very large relative…
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Date Posted
12/23/2019

Universities' success in dramatically reducing single occupant vehicle (SOV) travel presents potentially useful models to be considered for applications through partnerships at other scales.

Notable features of successful university strategies and ideas for how they might be considered by MPOs and partners in a wider regional, city, or business district context are summarized below.…
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Date Posted
12/23/2019

Validate the performance of dedicated short-range communication (DSRC) radios for cooperative adaptive cruise control (CACC) applications by testing receiver signal strength, signal delay, and packet error rates.

FINDINGS Based on the test track results the Volpe Center offered several recommendations for features of the CACC-based vehicle platooning system. Design of Vehicle Platooning Proof-of-Concept…
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Date Posted
11/18/2019

Current generation pedestrian crash avoidance systems may not be effective at night or during right-turns.

None of the systems warned the driver about a pedestrian or applied automatic braking when tested under nighttime, low light conditions During right-turn tests (analogous to right-turn-on-red…
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Date Posted
10/09/2019

Cities should utilize data from mobility service providers operating on city streets to effectively manage local streets.

To best serve the public good and ensure safe passage, to protect public health and welfare, and to govern commerce in the public right-of-way and on private property, cities need access to the data…
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Date Posted
09/17/2019

Cities should prioritize open data standards and open formats in procurement and development decisions with mobility service providers.

Open data standards can help cities avoid getting locked into specific platforms or vendors and ensure that cities can continue to take advantage of new developments in the rapidly changing data and…
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Date Posted
09/17/2019

Cities should collect, store and release geospatial mobility data in accordance with existing policies and practices for personally identifiable information (PII).

Geospatial trip data can easily become PII. While cities have held and managed personally identifiable and other sensitive information for centuries, the volume of data and the ease with which…
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Date Posted
09/17/2019

Cities must be explicit about their intended use related to planning, analysis, oversight, and enforcement when requiring data from private mobility companies.

While being mindful about the purpose of their data requests, cities have legitimate concerns about the accuracy of data provided by mobility companies. To address this uncertainty, many cities have…
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Date Posted
09/17/2019

Cloud computing will be key to meeting many of the challenges to store and access the huge volume of big transportation data.

Cloud computing will be key to cope with increased volumes, velocity, and variety of data. Agencies, however, may have to give up the ability to store data internally and will need to be convinced…
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Date Posted
07/12/2019

Industry Experts Offer Recommendations for Enterprise-wide Security Controls for the Connected Vehicle Environment.

Institute Security by Design Processes and Standards. All stakeholders developing components within the CV ecosystem should implement components based on a secure system engineering lifecycle that…
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Date Posted
05/08/2019

NCHRP report presents and evaluates 18 different strategies for agencies to encourage CAV adoption.

Outcome: mitigate safety risks through testing, training, and public education. Enact legislation to legalize AV testing: Legislation will provide a necessary policy framework to allow AV testing on…
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Date Posted
05/08/2019

USDOT identifies ten characteristics that support an Integrated Corridor Management (ICM) approach to improving throughput and reducing congestion.

Through the ICM initiative, the U.S. DOT is providing guidance to assist agencies in implementing ICM and creating supporting analysis, tools, and approaches, and is gleaning lessons learned.…
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Date Posted
05/06/2019

National Operations Center of Excellence (NOCoE) provides updates on operational SPaT Challenge deployments in recorded Webinar #10.

Temporary roadway configuration changes, such as, work zones, temporary traffic control, traffic incidents, and unplanned incidents can be challenging for Connected and Automated Vehicles to…
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Date Posted
04/22/2019

A Federal report highlights best practices for ITS programs that plan to implement connected vehicle (CV) technology.

Understand cities' markets and customer bases to define a tailored service and increase the utilization rates of carsharing and new mobility services.

Content references source material no longer available at its original location.
The paper presents several best practices and lessons learned for launching a successful carsharing or new mobility service, including: Understand the market and customer base to define a tailored…
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Date Posted
03/19/2019

Before embracing open data, transit agencies must first understand the changes that will be created within and external to the agency

The synthesis study was conducted in five major steps: A literature review was performed to identify the characteristics of open data; legal and licensing issues and practices; uses of open data;…
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Date Posted
03/04/2019

USDOT offers guidance to plan for, prevent, detect, and respond to cybersecurity challenges associated with TMCs.

All networks can be breached and exploited, given enough time and resources. A TMC can make cyber-attacks harder by taking a "Defense in Depth" approach and interrupting as many of the attacker's…
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Date Posted
01/28/2019

State of the practice assessment identifies emerging trends in the procurement of CV technology; concludes that different procurement approaches have been and can be successfully used for purchasing CV equipment, systems, and services.

Emphasize data-driven mobilizations and incorporate Automated Speed Enforcement devices in vulnerable locations to minimize resource needs of speed-limit enforcement.

The report summarizes its major suggestions and recommended best practices as follows: Improve Program Management Bolster National Leadership Congress could establish a NHTSA National Priority…
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Date Posted
01/25/2019

USDOT Identifies Effective Ownership and Governance Model Areas of Interest for a Full-Scale SCMS deployment for Connected Vehicles.

Determine whether to use a single vs. multiple root CA based on operational and public interest objectives. An SCMS design allows for single or multiple roots. SCMS deployment could feature a single…
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Date Posted
01/24/2019

Using current procedures, early CV deployer agencies overcome challenges concerning a general lack of CV technological maturity, evolving standards and policies and technological uncertainty regarding communication technologies in their procurement o

Category Lesson / Best Practice New Partnerships and Policy Partner with State DOT colleagues and their contracting expertise and consultants. This can help in selecting a vendor and…
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Date Posted
11/28/2018

Organizations considering low-speed automated shuttles should have a good understanding of the technical capabilities, operating environment requirements, and evaluation metrics needed to succeed early on in the project design phase.

Where barriers can be anticipated, it is possible to create mitigation strategies. These strategies need to be targeted to different organizations, including private firms, transit agencies, academia…
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Date Posted
10/30/2018

Testing of lane departure warning (LDW) systems in a fixed-base driving simulator found driver corrective actions were boosted by LDW presence, with steering wheel vibration warnings stimulating greater response than directional audio warnings.

Corrective responses appear to be generally boosted by LDW presence, with the wheel-vibration LDW resulting in somewhat greater response than a directional audio LDW.
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Date Posted
10/30/2018

Checklist for a successful deployment of the V2I Hub platform that facilitates communication between connected vehicle hardware and traffic control systems.

As the USDOT encourages state and local entities to deploy Connected Vehicle (CV) technology under their jurisdiction, the V2I Hub Deployment Guide was created to provide an outline with step-by-step…
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Date Posted
10/25/2018

LiDAR scanning systems collect huge amounts of geospatial data in a very short time; plan for major data reduction efforts that require intensive computing, software development, and technical expertise.

Identify "super users" and maintain an integrated project development team during the development and deployment of a Transit Operations Decision Support System (TODSS).

The Federal Transit Administration (FTA) and the Intelligent Transportation Systems Joint Program Office deployed a pilot project to demonstrate the application of the TODSS core requirements at Pace…
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Date Posted
05/08/2018

Integrate the features of transportation networking companies and other shared mobility services into existing transportation systems and services in ways leveraging the services’ strengths and features.

With appropriate regulation, and perhaps even subsidization to meet specific public policy goals, these new services can and should be integrated into metropolitan transportation systems to improve…
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Date Posted
02/26/2018

Post warning messages on DMS that describe how drivers should react to hazardous conditions rather than just notifying them of the hazard ahead.

Post warning messages on DMS that describe how drivers should react to hazardous conditions rather than just notifying them of the hazard ahead. Presence of a DMS does not have a significant impact…
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Date Posted
02/06/2018

Include pedestrian collision warnings on in-vehicle heads-up displays to reduce reaction time, maximum deceleration, and, in some cases, stopping distance and braking time.

Include pedestrian collision warnings on in-vehicle heads-up displays to reduce reaction time, maximum deceleration, and, in some cases, stopping distance and braking time. Reaction, Braking Time,…
Content type
Date Posted
01/08/2018

Obtain working prototypes of CV applications from the USDOT’s Open Source Application Data Portal (OSADP) to prevent time spent doing duplicative software development

Publish all CV planning documentation to serve as an example for other early deployers to follow

The program is designed to have three phases: (1) Concept Development, (2) Design/Deploy/Test, and (3) Maintain/Operate. Within each phase, each site is required to submit a sequence of documents,…
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Date Posted
12/19/2017

Provide trip itineraries in personalized traveler information platforms based around cost, time, and user preferences to influence travelers to change their behaviors.

Overall, users agreed that the dashboard was enjoyable and easy to use in addition to being helpful in adopting new travel behaviors. Results indicated that users retained a strong preference for…
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Date Posted
12/12/2017

Select a pricing strategy incentivizing drivers to unplug from electric vehicle charging stations shortly after they finish charging to enable others to use the station.

Owners of EV charging stations can choose to charge customers by kWh, by the hour, per session, or some combination thereof. Billing for the electricity consumed (by kWh) seems intuitive, but does…
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Date Posted
11/27/2017

Evaluation of sites for direct current fast charging systems should consider local permitting regulations, loss of space, ground surface conditions, and availability of local electrical service.

There are a number of considerations involved in the decision of DCFC systems. Permitting. Significant changes in a host facility's electrical and physical systems through addition of a DCFC will…
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Date Posted
11/27/2017

Locate direct current fast charging systems for electric vehicles at high volume interchanges on major transportation corridors at sites amenable to 5 to 25 minute-long visits.

The following should be considered in DCFC site selections: DCFC sites should be located along major transportation corridors Approximately half of the DCFC sites along a transportation corridor…
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Date Posted
11/27/2017

Marketing the benefits of roadway pricing strategies throughout the lifespan of a project can improve public perception of these projects.

It is vital to market the benefits of roadway pricing projects throughout the lifespan of these projects as the initial reaction to these projects is typically negative. Specific strategies to help…
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Date Posted
09/26/2017

Invest in automated bicycle-pedestrian counters to both save time over doing manual counts and provide the ability to track continuous data over longer periods of time.

Throughout the course of the pilot, participating MPOs were able to establish baseline automated count programs, demonstrating that count programs can be initiated with a relatively small amount of…
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Date Posted
08/30/2017

Consider the following three criterial when screening candidate sites for active traffic management solutions: limited capacity improvement options; operations and maintenance resources; and ability to coordinate among stakeholders.

Practices associated with successful ATM programs: Identify needs for dynamic management of arterial operations (recurring and nonrecurring traffic congestion with limited capacity improvement…
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Date Posted
08/07/2017

Developing a regional fare policy or system requires, at a minimum, analysis of travel patterns, transit market analysis, and review of institutional barriers and challenges.

Moving toward a regional fare policy or regional fare system should occur only after a deliberate and well-thought-out process involving an honest assessment of the needs, potential costs, and…
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Date Posted
07/31/2017

Deploying advanced wayfinding technologies in transit agencies present communications, legal, institutional, and technical challenges

This study conducted by the Volpe Center surveyed and analyzed wayfinding technologies in nine metropolitan areas: (1) San Francisco, California, (2) Portland, Oregon, (3) Seattle, Washington, (4)…
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Date Posted
02/27/2017

Implement Effective Risk Mitigation Strategies and Use Defined Success Factors to Better Manage ITS Application Development and Deployment

The SafeTrip-21 Initiative captured many lessons learned during the evaluation of eight ITS applications some of the lessons included mitigating risks, identification of success factors, and the…
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Date Posted
10/01/2014

Write well-formed requirements from the perspective of the system and not the system user that are concise and include data elements that are uniquely identifiable.

Having a good requirements development process is vital to defining the details of the system and communicating those details so that a physical system can be implemented. The System Requirements…
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Date Posted
02/20/2014

Analyze individual design possibilities to determine which are feasible, which provide the best performance, and which would be the most cost effective methods of system implementation.

After the preliminary design review has been completed and the high-level design and system requirements have been approved, the component level detailed design can begin. At this point system…
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Date Posted
02/20/2014

Coordinate among stakeholders and schedule periodic team meetings to make sure that the correct and necessary information is provided for all development and implementation activities.

After the critical design review (CDR) has been completed and the detailed design has been approved, system development and implementation, also known as build and test, can begin. At this point…
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Date Posted
02/20/2014

Adequately train all operations and maintenance (O&M) personnel and conduct regularly scheduled team meetings to continually improve processes and procedures as the ICM system operations matures.

Operations and maintenance activities include operating the system, monitoring system performance, performing system diagnostics, making repairs, and making updates and changes to the system. Once…
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Date Posted
02/20/2014

Consider New Approaches to Address Distracted Driving when Designing and Developing ITS Applications

The SafeTrip-21 Initiative developed new approaches to address distracted driving. Organizations and individuals are becoming increasingly aware of the dangers associated with distracted driving. The…
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Date Posted
09/30/2013

Consider user acceptance of driver fatigue detection systems to be dependent on ease of use, ease of learning, perceived value, driver behavior, and advocacy.

The guidelines below have been extracted from the source report and presented from a systems engineering perspective. Consider the following when eliciting stakeholder requirements that can be used…
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Date Posted
01/31/2013

Use the ITE Traffic Signal Self-Assessment to help make the case for increased staffing and funding to support traffic signal programs.

Implementation of new technologies (such as video detection, battery back-up system, solar-powered school flashers and radio interconnect); purchase of new equipment; establishment of a regular…
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Date Posted
10/02/2012

Develop a plan for the continued maintenance and sustainment of new mobile transit applications utilizing transit open data, to minimize the risk that application developers will stop supporting the applications.

Developers that won city data competitions and were interviewed by Government Technology had the following advice to offer city agencies: Provide data that is in a standardized format, such as the…
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Date Posted
10/02/2012

Be sure to conduct a detailed evaluation prior to installing an Adaptive Traffic Control System (ATCS), and be aware that conducting a public education campaign on ATCS risks building expectations too high.

The following lessons learned provide insight on ways of successfully implementing an ATCS project, and whether conducting a public outreach campaign is likely to be of value. Conduct a pre-…
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Date Posted
01/24/2012

Commit to acquiring the proper level of staffing and knowledge required for the operations and maintenance of Adaptive Traffic Control System (ATCS) prior to deployment.

Adaptive Traffic Control Systems (ATCSs) are powerful and complex tools that require a level of expertise for proper maintenance and operations. ATCS may be viewed as a labor-reducing way of…
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Date Posted
01/20/2012

Establish contacts early and assure continued communications between planners and stakeholders to promote public and political acceptance of proposed pricing plans.

Key lessons learned from road pricing experiences in the United States and abroad include the following. Gain consensus among decision makers and analysts. Prior to conducting extensive public…
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Date Posted
11/10/2011

Deploy ITS transit technologies including computer-aided dispatch (CAD) and automated vehicle location (AVL) to coordinate human transportation services across agencies, reduce costs, eliminate duplication, and increase quality of service.

The Federal government created the Interagency Transportation Coordinating Council on Access and Mobility in 2004 to improve the efficiency and quality of service for the range of transportation…
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Date Posted
03/07/2011

Engage in marketing, training, and outreach of Archived Data Management Systems (ADMS)

Successful Archived Data Management Systems (ADMS) require marketing, training, and outreach. Transportation professionals may not be aware that operational data are being archived, and may not be…
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Date Posted
06/27/2007

Adopt best practices for integrating emergency information into Transportation Management Center (TMC) operations to improve performance and increase public mobility, safety and security.

The Estimated Annual Cost to Operate a Port in a Major Urban Area with Level 4 Automated Trucks in Queue Ranges from $75.1million to $123.4 million.

As freight imports to the US continue to increase, several US agencies are seeking ways to improve the efficiency of drayage trucking at ports by evaluating the impacts of Intelligent Transportation…
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Made Public Date
01/26/2024

The Cost for the Security Credential Management System Component Supporting Planned Connected Vehicle Infrastructure at 1,700 Intersections in Metropolitan Atlanta Was Estimated at $240,000.

In order to assess business cases and models for connected vehicle (CV) applications including vehicle-to-infrastructure (V2I) communications, researchers assessed public agency decision-making…
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Made Public Date
08/19/2022

The Cost for a Single Augmented Reality (AR) Headset To Facilitate Commercial Vehicle Maintenance Training Was Estimated at $3,500.

The freight and logistics industry has accelerated its adoption of immersive technologies such as augmented reality (AR) and virtual reality (VR) amid the COVID-19 pandemic. Although still in its…
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Made Public Date
09/16/2021

With Baseline Investment in the For-Hire Industry Projected To Reach $203 Billion by 2050, the Cost of Adopting Automation in the For-Hire Sector Reaches Almost 2.5 Percent Above Baseline by 2050.

An assessment was performed on the potential macroeconomic impacts resulting from the adoption of higher-level automated driving systems (ADS) on the long-haul trucking industry. The analysis…
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Made Public Date
04/27/2021

Automated Traffic Signal Performance Measures (ATSPM) Maintenance Programs Cost An Estimated $0.23 Million to $11 Million Over 10 Years.

This study introduced a flexible method to evaluate performance-based traffic signal operations and maintenance. The intent was to describe advantages and disadvantages of using a proactive,…
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Made Public Date
03/29/2021

The cost in install machine vision based blind-spot detection systems on buses and large trucks can range from $5,000 to $6,000 per vehicle.

A vision-based advanced driver assistance system being developed by Mobileye uses cameras strategically placed around the perimeter of a vehicle to improve blind-spot detection on both cars and…
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Made Public Date
10/28/2020

The cost to install ultrasonic parking space availability sensors can range from $300 to $500 per space, depending on local labor costs.

Although technologies such as induction loop detectors installed at parking entry and exit points can be cheaper to implement compared to a single-space parking space occupancy detection system that…
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Made Public Date
10/28/2020

The cost to implement SmartPark systems can range from $2,000 to $30,000 per space depending on technology, location, level of cooperation among public and private entities, and deployment strategy.

This report examined the potential of a nationwide deployment of a SmartPark system designed to help truck drivers find a safe and available parking. SmartPark systems work by collecting real-time…
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Made Public Date
06/15/2020

The cost to design and implement a custom crowdsourcing social media application ranges from $50,000 to $250,000.

Crowdsourcing supported by social media applications has emerged as a low-cost approach to generate data by enlisting or encouraging citizens to participate in data collection and verification. One…
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Made Public Date
05/20/2020

The cost to operate and maintain a crowdsourced traveler information system can range from $5,000 to $13,000 per year.

This report summarized cost information collected from interviews with state DOT representatives regarding the costs to plan, develop, operate, and maintain citizen reporting traveler information…
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Made Public Date
04/20/2020

A factory installed probe vehicle sensor platform designed to support real-time traffic and road condition monitoring was estimated to cost $40 per vehicle.

This paper presents a new type of wireless in-vehicle system designed for real-time traffic estimation and road surface monitoring. The platform is mainly designed for probe vehicles but can be…
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Made Public Date
02/25/2020

National survey finds that a winter maintenance vehicle GPS/AVL system costs on average $3,843 to install and $39 per month in recurring costs per vehicle.

A research project conducted by the Oregon DOT included a literature search and a survey of state and local agencies to collect information about available GPS/AVL equipment and how winter…
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Made Public Date
12/30/2019

A dual protocol road-side unit (RSU) providing both cellular and dedicated short-range communication (DSRC) technologies can be deployed for approximately $6,000 per intersection.

This project developed and demonstrated a variety of smart-transport technologies, policies, and practices for highways and freeways using connected autonomous vehicles (CAVs), smartphones, roadside…
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Made Public Date
08/23/2019

NHTSA estimated that onboard units (OBUs) supporting V2V communication functions would cost $350 per vehicle by 2020.

Based on current market factors, the National Highway Traffic Safety Administration (NHTSA) has estimated that in-vehicle equipment such as on-board units (OBUs) that enable vehicle-to-vehicle (V2V)…
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Made Public Date
05/08/2019

Non-Residential Electric Vehicle Charging Station Costs Range from $300-$1,500 for Level 1 Chargers, $400-$6,500 for Level 2 Chargers, and $10,000-$40,000 for DC Fast Chargers.

While many electric vehicle owners will do most of their charging at home, there is a need for non-residential charging stations at workplaces, public areas, and for fleets. The report covers costs…
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Made Public Date
03/26/2019
Taxonomy (ARC-IT) Emissions Monitoring (ST01)

Estimated capital costs to equip 10 intersections with DSRC radio communications and backhaul needed to support V2I applications can range from $443,000 to $644,000.

The cost to deploy a real-time truck parking information system was estimated at $391,000 per rest area.

Truck parking information systems designed as part of the Federal Motor Carrier Safety Administration (FMCSA) SmartPark and Commercial Vehicle Information Systems and Networks (CVISN) Programs were…
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Made Public Date
01/30/2019

Labor costs required to collect and prepare highway inventory datasets can range from $72 to $1,075 per mile.

Cellular-V2X (C-V2X) communication modules that use wireless wide-area network (WWAN) cellular modems to broadcast and receive basic safety messages (BSM) can be supplied to automobile manufacturers for less than $222 per unit.

This research analyzed the cost of alternative on-board unit (OBU) configurations required to support vehicle-to-everything (V2X) applications for light vehicles. The following primary cost drivers…
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Made Public Date
05/25/2018

Average cost to install a highway advisory radio station ranged from $40,000 to $50,000 as reported by agencies that continue to use this technology.

Content references source material no longer available at its original location.
Highway advisory radio (HAR) is an older strategy for disseminating traveler information, but it is still valuable for regional traveler information, especially in emergencies. To understand the…
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Made Public Date
02/26/2018

Equipping all light-duty vehicles with blind spot monitoring, lane departure warning, and forward collision warning expected to cost $13 billion.

This paper evaluates the benefits and costs of fleet-wide deployment of blind spot monitoring, lane departure warning, and forward collision warning crash avoidance systems within the US light-duty…
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Made Public Date
02/06/2018

Truck Collision Avoidance system estimated to cost between $2,500 and $4,000 per heavy truck.

According to National Highway Traffic Safety Administration data, on average, two to three rear-end collisions involving heavy trucks occur somewhere in the U.S. every hour. In response to these…
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Made Public Date
11/28/2017

Most direct current fast charging station customers pay $0.74 or less per kilowatt-hour to charge electric vehicles.

Since the introduction of publicly accessible direct current fast charging (DCFC) systems during the EV Project in 2011, the U.S. Department of Energy and others have conducted surveys on deployment…
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Made Public Date
10/18/2017

Most direct current fast charging station customers pay $0.74 or less per kilowatt-hour to charge electric vehicles.

Since the introduction of publicly accessible direct current fast charging (DCFC) systems during the EV Project in 2011, the U.S. Department of Energy and others have conducted surveys on deployment…
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Made Public Date
10/18/2017

The capital cost to install a six-vehicle direct current fast charging station having 50 kW connector outputs can range from $382,500 to $389,500.

Since the introduction of publicly accessible direct current fast charging (DCFC) systems during the EV Project in 2011, the U.S. Department of Energy and others have conducted surveys on deployment…
Content type
Made Public Date
10/18/2017

The capital cost to install a six-vehicle direct current fast charging station having 50 kW connector outputs can range from $382,500 to $389,500.

Since the introduction of publicly accessible direct current fast charging (DCFC) systems during the EV Project in 2011, the U.S. Department of Energy and others have conducted surveys on deployment…
Content type
Made Public Date
10/18/2017

The average cost to upgrade backhaul telecommunications to support a DSRC roadside unit for V2I applications is estimated to vary from $3,000, if the site has sufficient backhaul and will only need an upgrade, to $40,000, if the site requires a compl

This report provided cost estimates for planning, acquiring, and installing infrastructure and equipment needed to support dedicated short-range communications (DSRC) for vehicle-to-infrastructure (…
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Made Public Date
09/19/2017

Driver assistance technologies can add from $300 to $10,800 to the purchase price of a new vehicle; most systems are $4500 or less.

This article highlighted prices for driver assistance options in new vehicles (2015-2016). Although most options listed are only available in luxury models the technology is becoming more accessible…
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Made Public Date
06/16/2017

Installation of Adaptive Signal Control Technology systems ranges from $8,000 to $35,000 per intersection

Summary The current state of practice of various operating Adaptive Signal Control Technology (ASCT) systems throughout the United States was evaluated by students at the University of Connecticut.…
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Made Public Date
12/17/2015

Capital costs for various Adaptive Signal Control Technology deployed across the U.S range from $8,000 to $60,000.

The U.S. DOT's FHWA division released a report about the considerations for implementing Adaptive Signal Control Technology (ASCT). The average costs for the different system types were as follows…
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Made Public Date
03/31/2015

Researchers identify that initial costs for backhaul deployment per connected vehicle field infrastructure site may range from $3,000 to $40,000 per site

The USDOT in partnership with Transport Canada, AASHTO and in cooperation with other nationwide stakeholders, conducted analyses leading to a preliminary general concept of a national Connected…
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Made Public Date
10/22/2014

Researchers identify that DSRC field infrastructure deployment costs can range from $13,000 to $21,000 per site, with average cost estimated at $17,600

The USDOT in partnership with Transport Canada, AASHTO and in cooperation with other nationwide stakeholders, conducted analyses leading to a preliminary general concept of a national Connected…
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Made Public Date
10/22/2014

A national study estimates that average hardware costs to upgrade signal controllers for connected vehicle purposes may be as little as $3,200 per site

The USDOT in partnership with Transport Canada, AASHTO and in cooperation with other nationwide stakeholders, conducted analyses leading to a preliminary general concept of a national Connected…
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Made Public Date
10/22/2014

Traditional and third-party data service cost comparisons show that estimated 10 year probe based costs average $7,650

The USDOT in partnership with Transport Canada, AASHTO and in cooperation with other nationwide stakeholders, conducted analyses leading to a preliminary general concept of a national Connected…
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Made Public Date
10/22/2014

Total potential connected vehicle DSRC deployment costs at signalized intersections needing controller upgrades may cost on average $51,600 per site

The USDOT in partnership with Transport Canada, AASHTO and in cooperation with other nationwide stakeholders, conducted analyses leading to a preliminary general concept of a national Connected…
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Made Public Date
10/22/2014

Research shows that estimated costs to install V2V equipment into a new vehicle will result in an average per-vehicle cost to the consumer of $342.80 in 2012 dollars

In the National Highway Traffic Safety Administration (NHTSA) Vehicle-to-Vehicle Communications: Readiness of V2V Technology for Application report, researchers evaluated vehicle equipment cost…
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Made Public Date
10/01/2014