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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…
Content type
Lesson
Date Posted
02/29/2024
Taxonomy (ARC-IT) Vulnerable Road User Device Transition Support (SU15), Personal Wayfinding (TI08)
Geolocation links
Nationwide, United States

Connected Energy-Efficient Dynamic Routing Simulation Was Estimated to Have Resulted in up to 14.7 Percent Fuel Savings in Downtown Los Angeles With 50 Percent Connected Vehicle Market Penetration During Peak Hours.

METHODOLOGY In this study, the effectiveness and environmental impact of a C-EEDR application were assessed using a detailed traffic simulation tool that integrates both microscopic traffic dynamics…
Content type
Benefit
Date Posted
01/31/2024
Taxonomy (ARC-IT) Connected Eco-Driving (ST09)
Geolocation links
Los Angeles, California, United States

Australian Study on Cooperative ITS Technologies Showed a Four to Nine Percentage Point Increase in Technology Usefulness Rating, Based on User Questionnaires Comparing Control and Treatment Groups.

METHODOLOGY The participants were randomly assigned into either of two groups: Treatment Group that had an HMI receiving warnings, and Control Group that had an inactive HMI. Over nine months, both…
Content type
Benefit
Date Posted
12/18/2023
Taxonomy (ARC-IT) Dynamic Roadway Warning (TM12), Autonomous Vehicle Safety Systems (VS01), Queue Warning (VS08), Reduced Speed Zone Warning / Lane Closure (VS09), Vulnerable Road User Safety (VS12)
Geolocation links
Ipswich

Survey Results from a Fully Automated Shuttle Service in Gainesville, FL with 42 Participants with Disabilities Showed an Increase in Automated Vehicle Acceptance After Riders Experienced the Technology.

METHODOLOGY In the study of the AVUPS, researchers enlisted participants with assistance from various stakeholders, including centers and facilities for PWDs, as well as community hubs like libraries…
Content type
Benefit
Date Posted
11/29/2023
Taxonomy (ARC-IT) Automated Vehicle Operations (VS16)
Geolocation links
Gainesville, Florida, United States

Ensure Data from Multiple Sources Are Transformed into a Consistent Frame of Geographical and Temporal Resolution for Effective Data Fusion.

Ensure data from multiple sources are transformed into a consistent frame of geographical and temporal resolution. Data fusion of BSMs and other data sets will be a necessity in situations when…
Content type
Lesson
Date Posted
05/30/2023
Taxonomy (ARC-IT) Performance Monitoring (DM02)
Geolocation links
New York, United States   |   Seattle, Washington, United States   |   New Jersey, United States

Field Study Shows Routes of Connected Snowplows Had a Larger Reduction in Roadway Crash Rates (up to 3.87) than their Non-Equipped Counterparts (1.82).

METHODOLOGY The study consisted of a field test over the months of October 2019 to March 2020 along five V2X-equipped corridors in the Salt Lake City metropolitan area. Data was collected during and…
Content type
Benefit
Date Posted
05/26/2023
Taxonomy (ARC-IT) Weather Data Collection (WX01)
Geolocation links
Salt Lake City, Utah, United States

Risk Analysis Using Crash and Near-Crash Data Finds a 26 Percent Reduction in Likelihood of a Crash Involving Severe Injuries in a Connected Vehicle Versus a Vehicle with More Traditional Line of Sight System.

METHODOLOGY The study utilized the SHRP2 NDS database that consisted of over 5.5 million trips driven by 3,542 drivers across six sites in the U.S. First, relevant events from the database were…
Content type
Benefit
Date Posted
04/24/2023
Taxonomy (ARC-IT) Autonomous Vehicle Safety Systems (VS01)
Geolocation links
Seattle, Washington, United States   |   Buffalo - Niagara Falls Metro Region, New York, United States   |   State College, Pennsylvania, United States   |   Durham, North Carolina, United States   |   Tampa, Florida, United States   |   Bloomington, Indiana

Agent-Based Model for Southern California Estimated a 10 Percent Increase in Vehicle Miles Traveled and Emissions with the Adoption of Connected and Automated Vehicles.

METHODOLOGY The SCAG ABM simulates the travel behaviors of individuals in Southern California by considering seven layers of complexity, which generates a synthetic population for the SCAG region,…
Content type
Benefit
Date Posted
03/23/2023
Taxonomy (ARC-IT) Autonomous Vehicle Safety Systems (VS01), Automated Vehicle Operations (VS16)
Geolocation links
California, United States

CAV Platooning Modeled on a Fixed Signal-Controlled Superstreet Showed a Decrease in Traffic Delay by Up to 15.1 Percent.

METHODOLOGY The study used specific models for car following, platooning, trajectory planning, and adaptive signal control. Intelligent Driver Model (IDM) and Wiedemann 99 (W99) models were chosen to…
Content type
Benefit
Date Posted
02/27/2023
Taxonomy (ARC-IT) Traffic Signal Control (TM03), Autonomous Vehicle Safety Systems (VS01)
Geolocation links
Leland, North Carolina, 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

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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