Content that references this location
Choose Fairness Metrics to Measure AI Model Bias and Collect Sufficient Data to Assess Error Statistics Across Demographic Groups for AI-based ITS Systems.
Choose fairness metrics to measure AI model bias and collect sufficient data to assess error statistics across demographic groups. The optimal model isn't always the one with the least negative…
Content type
Date Posted
08/23/2023
Taxonomy (ARC-IT)
ITS Data Warehouse (DM01)
Geolocation links
Share Data with Sufficient Metadata and Documentation to Make Practitioners Aware of the Nuances, Potential Pitfalls, and Recommended Uses of the Data.
Share data with sufficient metadata and documentation. AI algorithms typically process vast volumes of data to generate inferences or predictions. Consequently, it's essential to provide…
Content type
Date Posted
08/23/2023
Taxonomy (ARC-IT)
ITS Data Warehouse (DM01)
Geolocation links
Consider Technology Vendor Sustainability Factors When Considering Deployment of New Automated Scheduling/Dispatching Services for ADA Paratransit Operations.
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…
Content type
Date Posted
05/30/2023
Taxonomy (ARC-IT)
Dynamic Transit Operations (PT03)
Geolocation links
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 equipment…
Content type
Date Posted
05/26/2023
Geolocation links
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 quickly…
Content type
Date Posted
03/28/2023
Taxonomy (ARC-IT)
Integrated Decision Support and Demand Management (TM09)
Geolocation links
Invest in Agency Staff Data Analysis Capabilities and Data Infrastructure to Enable Benefits of Big Data for Transit Insights and Decision Making.
Promote a Culture of Data Analysis Within Agencies: Transit agency staff are often the most important component of Big Data analysis, and without adequately trained staff, transit agencies face…
Content type
Date Posted
12/27/2022
Taxonomy (ARC-IT)
Performance Monitoring (DM02)
Geolocation links
Consider the Importance of Context-Sensitive Regulations When Examining Differences Across Regulations for E-Scooter Programs.
Consider the importance of context-sensitive regulations when examining differences across regulations for e-scooter programs. For example, cities may adopt regulations based on steps taken from…
Content type
Date Posted
11/30/2022
Taxonomy (ARC-IT)
Dynamic Ridesharing and Shared Use Transportation (TI06)
Geolocation links
A Market Scan Study on Emerging Data Science for Transit Cited the Importance of Data Hygiene in Enabling Advanced Data Analytics.
The lessons learned from this study are presented below.
Maintain a high level of “data hygiene.” To perform advanced data analysis and deliver high-quality results, conduct regular data cleaning to…
Content type
Date Posted
10/20/2022
Taxonomy (ARC-IT)
Performance Monitoring (DM02)
Geolocation links
Keep a Strong and Reliable Bluetooth Connection to Provide Prompt Alerts for Unattended Children Left in Car Seats.
The following lessons learned summarize the findings from testing the seven types of systems for the unattended driver reminder systems.
Keep a strong and reliable Bluetooth connection. The…
Content type
Date Posted
10/20/2022
Taxonomy (ARC-IT)
Personalized Traveler Information (TI02)
Geolocation links
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…
Content type
Date Posted
09/16/2022
Taxonomy (ARC-IT)
Winter Maintenance (MC04)
Geolocation links
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…
Content type
Date Posted
07/26/2022
Taxonomy (ARC-IT)
Infrastructure Monitoring (MC09),
Traffic Signal Control (TM03),
Integrated Decision Support and Demand Management (TM09),
Road Use Charging (TM11),
Broadcast Traveler Information (TI01),
Autonomous Vehicle Safety Systems (VS01),
Automated Vehicle Operations (VS16)
Geolocation links
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…
Content type
Date Posted
07/23/2022
Geolocation links
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,…
Content type
Date Posted
06/23/2022
Taxonomy (ARC-IT)
Automated Vehicle Operations (VS16)
Geolocation links
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…
Content type
Date Posted
03/22/2022
Taxonomy (ARC-IT)
Asset Tracking (MC10),
Connected Vehicle System Monitoring and Management (SU01),
Broadcast Traveler Information (TI01),
In-Vehicle Signage (TI07),
Automated Vehicle Operations (VS16)
Geolocation links
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…
Content type
Date Posted
02/24/2022
Taxonomy (ARC-IT)
Transit Stop Request (PT15),
Route ID for the Visually Impaired (PT16),
Dynamic Ridesharing and Shared Use Transportation (TI06)
Geolocation links
Establish People-Centered "Living Labs" To Accelerate the Implementation of Smart City and Community Solutions.
The report presents several best practices for SC&C technology implementation, detailed below.
Set clear goals. Becoming a smart city or community is not a goal but a means to an end. SC&C…
Content type
Date Posted
08/03/2021
Taxonomy (ARC-IT)
Parking Space Management (PM01),
Smart Park and Ride System (PM02),
Regional Parking Management (PM04),
Parking Reservations (PM05),
Loading Zone Management (PM06),
Integrated Decision Support and Demand Management (TM09),
Regional Traffic Management (TM07),
Transit Pedestrian Indication (PT11),
Dynamic Roadway Warning (TM12),
Pedestrian and Cyclist Safety (VS12),
Parking Electronic Payment (PM03),
Transit Fare Collection Management (PT04),
Transit Fixed-Route Operations (PT02)
Geolocation links
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 vehicles.…
Content type
Date Posted
07/27/2021
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16)
Geolocation links
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…
Content type
Date Posted
06/22/2021
Taxonomy (ARC-IT)
Transit Pedestrian Indication (PT11),
Dynamic Roadway Warning (TM12),
Pedestrian and Cyclist Safety (VS12)
Geolocation links
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…
Content type
Date Posted
05/26/2021
Taxonomy (ARC-IT)
Cooperative Adaptive Cruise Control (VS14),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16)
Geolocation links
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…
Content type
Date Posted
12/18/2020
Taxonomy (ARC-IT)
Queue Warning (VS08)
Geolocation links
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…
Content type
Date Posted
12/16/2020
Geolocation links
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 of…
Content type
Date Posted
11/30/2020
Taxonomy (ARC-IT)
ITS Data Warehouse (DM01),
Integrated Multi-Modal Electronic Payment (PT18),
Data Distribution (SU03),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
Report identifies 17 major challenges facing law enforcement interactions with automated vehicles and offers possible solutions for potential deployers
The identified high-priority challenges related to cybersecurity and vehicular communication, as well as the authors’ proposed methods of meeting them, are below:
Challenge
Proposed Method of…
Content type
Date Posted
08/14/2020
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01)
Geolocation links
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…
Content type
Date Posted
05/20/2020
Taxonomy (ARC-IT)
Transit Fleet Management (PT06),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
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…
Content type
Date Posted
05/20/2020
Taxonomy (ARC-IT)
Traffic Signal Control (TM03),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
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…
Content type
Date Posted
12/23/2019
Taxonomy (ARC-IT)
Traffic Signal Control (TM03),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
Agencies considering the adoption of open data standards should involve a trusted standard development organization with permanence, customer focus, and with sufficient user involvement
Develop and manage standards by a trusted source with permanence, customer focus, and with sufficient user involvement.
Additional standard development organizations (SDOs) that are accredited are…
Content type
Date Posted
03/04/2019
Geolocation links
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; and…
Content type
Date Posted
03/04/2019
Taxonomy (ARC-IT)
Transit Fleet Management (PT06),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
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…
Content type
Date Posted
10/30/2018
Geolocation links
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…
Content type
Date Posted
10/25/2018
Taxonomy (ARC-IT)
Traffic Signal Control (TM03),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
Take a collaborative approach to work constructively with private transit providers on regulatory approaches.
This report details three case studies and documents lessons learned and best practices for bringing both public and private stakeholders to the table to develop a policy and regulatory approach.…
Content type
Date Posted
06/21/2018
Geolocation links
Deploying electronic crash collectionmodules can improve the timeliness,accuracy, and accessibility of crash databeing collected by law enforcementagencies at the scene of a crash
Data Collection at Crash Scene
· Use field-based location tools and GPS capabilities in the data collection process to provide more accurate crash location
data. Crash location is a critical…
Content type
Date Posted
02/20/2014
Geolocation links
Be prepared to make policy tradeoffs between HOV incentives and revenue goals when developing managed lanes and congestion pricing projects.
When developing managed lanes and congesting pricing projects:
Balance revenue generation and High Occupancy Vehicle (HOV) policies. To generate revenue, you may have to require HOVs to pay a toll…
Content type
Date Posted
01/28/2014
Taxonomy (ARC-IT)
Road Use Charging (TM11)
Geolocation links
Engage local operations, traffic control center and maintenance staff in the planning process for managed lanes and congestion pricing projects.
During the planning process for managed lanes and congestion pricing projects:
Engage local operations, traffic control center and maintenance staff in the dialogue because they will be the people…
Content type
Date Posted
01/28/2014
Taxonomy (ARC-IT)
Road Use Charging (TM11)
Geolocation links
Consider the complexity of the public-private partnerships when implementing managed lanes and congestion pricing projects.
When involving the private sector as a partner in a managed lanes and congestion pricing project:
Understand that while public-private partnerships may be important to the financial viability of…
Content type
Date Posted
01/28/2014
Taxonomy (ARC-IT)
Road Use Charging (TM11)
Geolocation links
Recognize that reducing congestion is at least as important as revenue generation for implementing congestion pricing or managed lanes.
When evaluating congestion pricing and managed lane options:
Recognize that reducing congestion is at least as important a reason for implemented congestion pricing or managed lanes as revenue…
Content type
Date Posted
01/28/2014
Taxonomy (ARC-IT)
Road Use Charging (TM11)
Geolocation links
Provide early outreach and education to elected officials, decision makers, key stakeholders, and the public about managed lanes and variable tolls.
To gain stakeholder and public acceptance and support,
Provide early outreach and education for elected officials, decision makers, key stakeholders and the public. Regional agencies should not be…
Content type
Date Posted
01/28/2014
Taxonomy (ARC-IT)
Road Use Charging (TM11)
Geolocation links
Incorporate managed lanes and congestion pricing projects into the metropolitan transportation planning process.
When developing managed lanes and congestion pricing projects:
Incorporate managed lanes and congestion pricing projects into the metropolitan transportation planning process. The metropolitan…
Content type
Date Posted
01/28/2014
Taxonomy (ARC-IT)
Road Use Charging (TM11)
Geolocation links
Manage impacts of technology advancements on TMC operations.
Some of the most transforming implications for TMC operations identified in the report are based on the proliferation of wireless communication, the rise of social media, and the involvement of third…
Content type
Date Posted
11/19/2013
Taxonomy (ARC-IT)
Regional Traffic Management (TM07)
Geolocation links
Use Innovative Strategies to Relieve Congestion at Marine Terminals
One of the major problems at marine container terminals is that the terminal gates, where trucks enter and exit the terminal to deliver or pick-up a container, are only open during certain hours on…
Content type
Date Posted
10/31/2013
Taxonomy (ARC-IT)
Freight Administration (CVO02)
Geolocation links
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…
Content type
Date Posted
10/02/2012
Taxonomy (ARC-IT)
Transit Traveler Information (PT08),
Transit Pedestrian Indication (PT11),
Transit Vehicle at Station/Stop Warnings (PT12)
Geolocation links
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…
Content type
Date Posted
11/10/2011
Taxonomy (ARC-IT)
Integrated Decision Support and Demand Management (TM09),
Road Use Charging (TM11)
Geolocation links
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…
Content type
Date Posted
06/27/2007
Taxonomy (ARC-IT)
ITS Data Warehouse (DM01),
Data Distribution (SU03),
Map Management (SU04),
Object Registration and Discovery (SU06),
Traffic Code Dissemination (VS17)
Geolocation links
Manage goals and identify successes to maintain public and constituent agency support for a coordinated incident management program.
The primary goals of traffic incident management are to minimize the impact of incidents and reduce the probability of secondary incidents. One objective of a formal incident management program is…
Content type
Date Posted
06/30/2006
Geolocation links
Global Survey on International Trends in Video Surveillance for Public Transit Revealed a 70 Percent Growth in the Number of Cameras Per System, Over the 2015 to 2018 Period.
METHODOLOGY
The survey respondents represented a variety of public transit modes including bus, trolleybus, light rail, tram, metro, commuter rail, main line rail and ferry. Almost all the…
Content type
Date Posted
09/29/2023
Taxonomy (ARC-IT)
Transit Security (PT05)
Geolocation links
Meta-Study Reviewing 67 Simulation or Field-Based Studies from the Literature Reports 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)…
Content type
Date Posted
08/30/2023
Taxonomy (ARC-IT)
Cooperative Adaptive Cruise Control (VS14)
Geolocation links
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…
Content type
Date Posted
05/30/2023
Taxonomy (ARC-IT)
Dynamic Transit Operations (PT03)
Geolocation links
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…
Content type
Date Posted
05/26/2023
Geolocation links
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…
Content type
Date Posted
03/22/2023
Taxonomy (ARC-IT)
Pedestrian and Cyclist Safety (VS12)
Geolocation links
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…
Content type
Date Posted
02/28/2023
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
V2V Basic Safety (VS02),
Pedestrian and Cyclist Safety (VS12)
Geolocation links
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…
Content type
Date Posted
01/13/2023
Taxonomy (ARC-IT)
Performance Monitoring (DM02)
Geolocation links
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…
Content type
Date Posted
10/20/2022
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
V2V Basic Safety (VS02),
Stop Sign Gap Assist (VS06),
Intersection Safety Warning and Collision Avoidance (VS13),
Automated Vehicle Operations (VS16)
Geolocation links
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…
Content type
Date Posted
02/23/2022
Taxonomy (ARC-IT)
Transit Stop Request (PT15),
Route ID for the Visually Impaired (PT16),
Dynamic Ridesharing and Shared Use Transportation (TI06)
Geolocation links
NHTSA Analysis Estimates that Vehicles Equipped with Advanced Automatic Collision Notification can Reduce Fatalities by 1.6 to 3.3 Percent per Year.
METHODOLOGY
This study conducted a benefit-cost analysis by implementing injury prediction algorithms used by AACN systems. The injury prediction algorithm predicts the probability of severe injury…
Content type
Date Posted
11/23/2021
Taxonomy (ARC-IT)
Mayday Notification (PS04)
Geolocation links
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 current…
Content type
Date Posted
08/25/2021
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16)
Geolocation links
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…
Content type
Date Posted
06/28/2021
Taxonomy (ARC-IT)
Transit Vehicle at Station/Stop Warnings (PT12),
Vehicle Turning Right in Front of a Transit Vehicle (PT13),
Autonomous Vehicle Safety Systems (VS01),
V2V Basic Safety (VS02)
Geolocation links
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…
Content type
Date Posted
06/21/2021
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16),
Cooperative Adaptive Cruise Control (VS14)
Geolocation links
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 collision…
Content type
Date Posted
06/18/2021
Geolocation links
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 Provider…
Content type
Date Posted
06/18/2021
Taxonomy (ARC-IT)
Integrated Decision Support and Demand Management (TM09),
Transit Fixed-Route Operations (PT02)
Geolocation links
Sensor-Based Spreaders Found to Enable Efficiency Improvements.
FINDINGS
The report noted that operators typically would deploy 200 pounds of salt per lane-mile along the examined portion of road, due to its significant accident rate and the difficulty of…
Content type
Date Posted
12/16/2020
Geolocation links
Researchers Estimate 18 Percent Less Energy Would be Required in a Future Transportation System Using 100 Percent Renewable Energy.
METHODOLOGY
In order to forecast impacts associated with a 100 percent renewable energy transportation system, researchers identified the expected composition of each transportation sector including…
Content type
Date Posted
10/30/2020
Taxonomy (ARC-IT)
Emissions Monitoring (ST01)
Geolocation links
Relocating automated shuttles during the day can cut fleet size requirements by up to 26 percent, finds analysis.
The analysts' proposed model is the most beneficial for both passenger and goods transportation. It reduced investment costs by 4.4 percent for passenger transportation and 8.8 percent for goods…
Content type
Date Posted
04/23/2019
Geolocation links
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…
Content type
Date Posted
10/29/2018
Taxonomy (ARC-IT)
Carrier Operations and Fleet Management (CVO01),
Cooperative Adaptive Cruise Control (VS14),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16)
Geolocation links
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…
Content type
Date Posted
08/30/2017
Taxonomy (ARC-IT)
Emissions Monitoring (ST01)
Geolocation links
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…
Content type
Date Posted
11/19/2013
Taxonomy (ARC-IT)
Freight Administration (CVO02)
Geolocation links
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…
Content type
Date Posted
10/03/2013
Geolocation links
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…
Content type
Date Posted
10/03/2013
Taxonomy (ARC-IT)
Connected Eco-Driving (ST09),
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16)
Geolocation links
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…
Content type
Date Posted
10/02/2013
Taxonomy (ARC-IT)
ITS Data Warehouse (DM01),
Data Distribution (SU03),
Map Management (SU04),
Object Registration and Discovery (SU06),
Traffic Code Dissemination (VS17)
Geolocation links
HAWK pedestrian beacon shows 69 percent reduction in crashes involving pedestrians.
Methodology:The study uses the Bayes method which is a before-and-after statistical approach that determines the effectiveness of a treatment from external factors, including increases in traffic…
Content type
Date Posted
06/03/2013
Taxonomy (ARC-IT)
Transit Pedestrian Indication (PT11),
Dynamic Roadway Warning (TM12),
Pedestrian and Cyclist Safety (VS12)
Geolocation links
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-…
Content type
Date Posted
05/11/2011
Taxonomy (ARC-IT)
Freight Administration (CVO02)
Geolocation links
Red light camera enforcement programs in 14 cities in the U.S. reduced the per capita rate of fatal red light running crashes by 24 percent.
METHODOLOGYA before-after analysis of the relationship between red light camera enforcement programs on per capita fatal crash rates at signalized intersections examined data from 14 large cities (…
Content type
Date Posted
04/11/2011
Taxonomy (ARC-IT)
Infrastructure-Based Traffic Surveillance (TM01)
Geolocation links
A simulation study found that adaptive signal control reduced delay by 18 to 20 percent when compared to fixed-timed signal control.
Content type
Date Posted
10/01/2002
Geolocation links
A modeling study compared the benefits of using road weather information systems (RWIS) with the costs of reacting to prevailing weather conditions and found that RWIS technologies could reduce snow and ice control costs by as much as 10 percent.
Content type
Date Posted
09/21/2000
Taxonomy (ARC-IT)
Weather Information Processing and Distribution (WX02)
Geolocation links
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…
Content type
Taxonomy (ARC-IT)
Incident Scene Safety Monitoring (PS07),
Traffic Information Dissemination (TM06),
Dynamic Roadway Warning (TM12),
In-Vehicle Signage (TI07),
Autonomous Vehicle Safety Systems (VS01),
Reduced Speed Zone Warning / Lane Closure (VS09)
Geolocation links
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…
Content type
Made Public Date
08/19/2022
Taxonomy (ARC-IT)
Security and Credentials Management (SU08),
Connected Vehicle Traffic Signal System (TM04)
Geolocation links
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…
Content type
Made Public Date
09/16/2021
Geolocation links
Costs of using wireless communications and GPS tracking can range from $1,200 - $2,000/truck in purchase costs and range from $1,188 - $1,524/truck in annual costs according to analyses in the HAZMAT FOT Final Synthesis.
In cooperation with industry, and on behalf of the U.S. DOT ITS Joint Program Office, U.S. DOT Federal Motor Carrier Safety Administration (FMCSA) sponsored the Hazardous Materials Safety and…
Content type
Made Public Date
11/19/2013
Geolocation links
INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE
1200 New Jersey Avenue, SE
Washington, DC 20590
1-800-853-1351
