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Lab-Test Results Showed that Vision-Based Red Light Violation Warning Application Combined with Assured Green Period Could Reduce Red-Light Running by 93 Percent.

METHODOLOGY The test plan for three applications considered two RSE configurations: one using FHWA's open source V2X Hub middleware, the other relying on built-in RSE features. Two data capture…
Content type
Benefit
Date Posted
04/25/2024
Taxonomy (ARC-IT) Connected Vehicle Traffic Signal System (TM04), Intersection Safety Warning and Collision Avoidance (VS13)

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…
Content type
System Cost
Made Public Date
01/26/2024
Taxonomy (ARC-IT) Commercial Vehicle Parking (CVO05), Smart Roadside and Virtual WIM (CVO08), Freight Drayage Optimization (CVO11)
Geolocation links
Nationwide, United States

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…
Content type
Benefit
Date Posted
12/27/2023
Taxonomy (ARC-IT) Dynamic Roadway Warning (TM12), Autonomous Vehicle Safety Systems (VS01)
Geolocation links
Louisiana, United States   |   Nationwide, United States

Signal Priority Tested on Connected School Buses in Fulton County Resulted in a 40.4 Percent Decrease in Number of Stops and 13.3 Percent Reduction in Travel Time.

METHODOLOGY The study collected data in 2022 for a month prior to deployment of the technology, and then another month while the CV technology was implemented. Data for the analysis was collected…
Content type
Benefit
Date Posted
11/17/2023
Taxonomy (ARC-IT) Transit Signal Priority (PT09)
Geolocation links
Alpharetta, Georgia, United States

Connected Vehicle Technology Was Deployed on School Buses and at Intersections in Georgia For Approximately $5,000 per Bus and $5,000 per Intersection.

Traffic signal priority (TSP) granted by communications between connected vehicles and the infrastructure has the potential to increase the mobility and efficiency of designated vehicles. Connected…
Content type
System Cost
Made Public Date
11/17/2023
Taxonomy (ARC-IT) Transit Signal Priority (PT09)
Geolocation links
Alpharetta, Georgia, United States

European Study on Cooperative Intelligent Transport Systems (C-ITS) Estimated a Safety Benefit of 3,932 to 8,774 Avoided Deaths Across the European Union by 2040.

METHODOLOGY The three different communication solutions considered in this study to assess the potential benefits from the two use cases were specifically: (1) LTE-PC5: Communication solution that…
Content type
Benefit
Date Posted
10/30/2023
Taxonomy (ARC-IT) Vulnerable Road User Safety (VS12), Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
European Union

An Agent-Based Simulation Model of Automated Vehicles in San Francisco Estimated That Shared-Ride Home Pick-Up Services Would Result in a Cost Savings Benefit for 33 Percent of Trips With Human Drivers and 73 Percent of Trips With Fully Automated Vehicles

METHODOLOGY Six simulation scenarios were considered, assuming 100 percent market penetration of personal AV in the same horizon year as the base case scenario for the MTC-ABM: (i) Doubled highway…
Content type
Benefit
Date Posted
09/29/2023
Taxonomy (ARC-IT) Shared Use Mobility and Dynamic Ridesharing (TI06), Automated Vehicle Operations (VS16)
Geolocation links
San Francisco, California, United States

Connected and Automated Vehicles (CAVs) Using Eco-Friendly Traffic Optimization Systems Can Reduce Fuel Consumption up to 15 Percent and Waiting Time Up to 85 Percent at Equipped Intersections.

METHODOLOGY The ECoTOp system co-optimizes traffic signal and vehicle dynamics to maximize the throughput from all phases in the cycle and minimize the total energy consumption of each CAV in all the…
Content type
Benefit
Date Posted
05/30/2023
Taxonomy (ARC-IT) Eco-Traffic Signal Timing (ST02), Connected Vehicle Traffic Signal System (TM04)
Geolocation links
California, United States

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
Benefit
Date Posted
05/30/2023
Taxonomy (ARC-IT) Dynamic Transit Operations (PT03)
Geolocation links
Nationwide, United States
ITS Deployment Evaluation

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

1200 New Jersey Avenue, SE
Washington, DC 20590

its.dot.gov

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U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology (OST-R)
 
 
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