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Implement Additional Sensors for Accurate Pedestrian Detection to Improve Effectiveness of Personal Safety Message Alerts at Midblock Crossings.

Implement additional sensors for accurate pedestrian detection to improve effectiveness of personal safety message alerts at midblock crossings. This study noted that without active sensors or…
Content type
Lesson
Date Posted
11/27/2024
Taxonomy (ARC-IT) Signal Enforcement (TM26), Curve Speed Warning (VS05), Reduced Speed Zone Warning / Lane Closure (VS09), Vulnerable Road User Safety (VS12), Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
Dublin   |   Marysville

Survey Results from the Connected Vehicle Deployment in Ohio Revealed Safety Enhancements, Including Eight Percent Fewer Crashes, 28 Percent Increased Driver Awareness, and Five Percent Fewer Near Misses.

METHODOLOGY The user experience survey conducted in this study was sent to drivers of equipped public fleet vehicles to obtain qualitative feedback of their perception and experience with the…
Content type
Benefit
Date Posted
11/27/2024
Taxonomy (ARC-IT) Signal Enforcement (TM26), Curve Speed Warning (VS05), Reduced Speed Zone Warning / Lane Closure (VS09), Vulnerable Road User Safety (VS12), Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
Dublin   |   Marysville

Prioritize Use of Long-Term Evolution (LTE) over Bluetooth Low Energy (BLE) As Wireless Communication Option for C-V2X Systems to Address Latency Concerns.

Prioritize using Long Term Evolution (LTE) over Bluetooth Low Energy (BLE) as wireless communication option for C-V2X systems to address latency concerns. This study found that LTE had 39.4 to 74.7…
Content type
Lesson
Date Posted
07/26/2024
Taxonomy (ARC-IT) Vulnerable Road User Safety (VS12), Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
Chattanooga, Tennessee, United States

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)

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 Active Safety-Collision Warning Pilot in Washington State Estimated a Potential Upper Bound of Annual Total Net Benefits Between $1.1M and $2.1M Due to Prevention of Collisions with Vehicles, Pedestrians, and Bicyclists.

METHODOLOGY The first phase of this project involved equipping 38 transit buses with the CAWS. The buses traveled 352,129 miles during 23,798 operating hours from April 1, 2016 to June 30, 2016.…
Content type
Benefit
Date Posted
10/30/2023
Taxonomy (ARC-IT) Autonomous Vehicle Safety Systems (VS01), Vulnerable Road User Safety (VS12), Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
Washington, United States

Incorporate Typical Driver Reactions and Countermeasures into Algorithms Developed for Collision Avoidance Warning Systems and Automated Emergency Braking to Reduce Unnecessary In-vehicle Warnings.

The lessons learned from this project include Return on Investment (ROI) for CAWS/AEB, testing procedures, the importance of bus original equipment manufacturer (OEM) involvement, transit research…
Content type
Lesson
Date Posted
09/29/2023
Taxonomy (ARC-IT) Vulnerable Road User Safety (VS12), Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
Washington, United States

Simulation Results Revealed a V2I-based Speed Advisory System Increased the Minimum Time to Collision by an Average of 1.2 Seconds.

METHODOLOGY This study examined the effects of varying levels of SAS MPR (0%, 25%, 50%, 75%, 100%) on rear-end collision risks. Real vehicle trajectories, vehicle lengths, and signal timing were…
Content type
Benefit
Date Posted
03/24/2023
Taxonomy (ARC-IT) Speed Warning and Enforcement (TM17), Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
Atlanta, Georgia, United States

Manage Deployment Risks Related to Connected Vehicle Technology Maturity by Reducing Exposure to External Uncertainties and Adding Testing at an Earlier Stage.

Broaden the definition and concept of technical maturity to increase stakeholder knowledge and allow for better risk management. The lack of technology maturity resulted in challenges such as…
Content type
Lesson
Date Posted
12/28/2022
Taxonomy (ARC-IT) V2V Basic Safety (VS02), Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
Wyoming, United States   |   New York City, New York, United States   |   Tampa, Florida, United States
ITS Deployment Evaluation

1200 New Jersey Avenue, SE
Washington, DC 20590

its.dot.gov

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