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Conduct Durability Tests to Ensure Antenna Mounting Supports Proper Connected Vehicle Communications for Large Vehicles.

Conduct interoperability test to identify potential issues that would require resolution prior to the sites advancing to an operational phase. The three-day testing event was a major victory for the…
Content type
Lesson
Date Posted
02/29/2024
Taxonomy (ARC-IT) Connected Vehicle System Monitoring and Management (SU01), ITS Communications (SU07), Connected Vehicle Traffic Signal System (TM04)
Geolocation links
Wyoming, United States   |   New York City, New York, United States   |   Tampa, Florida, United States

Understand Time-Intensive Data Requirements for Valid Carpool Verification and Enforcement at Transit Station Parking Lots.

Understand time-intensive data requirements for valid carpool verification and enforcement. In this pilot, the vendor found it challenging and time-intensive to meet the data requirements for…
Content type
Lesson
Date Posted
09/29/2023
Taxonomy (ARC-IT) Parking Space Management (PM01), Multi-modal Coordination (PT14), Shared Use Mobility and Dynamic Ridesharing (TI06)
Geolocation links
San Francisco, California, 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

Stay Ready To Handle Unexpected Risks That May Arise From Public-Private Partnerships, Like Mergers and Acquisitions.

Stay ready to handle unexpected risks that may arise from public-private partnerships, like mergers and acquisitions. The stakeholders involved in this project encountered similar problems but…
Content type
Lesson
Date Posted
08/30/2023
Taxonomy (ARC-IT) Integrated Multi-Modal Electronic Payment (TI05), Shared Use Mobility and Dynamic Ridesharing (TI06)
Geolocation links
Chicago, Illinois, United States

Conduct Electromagnetic Compatibility Analysis When Retrofitting Transit Vehicles With Connected Vehicle Communications Hardware To Ensure They Can Perform as Configured in Their Intended Environments.

Consider developing a custom hardware product to fit specific needed parameters. A custom ruggedized automotive grade computer was developed for the study by a third-party contractor to incorporate…
Content type
Lesson
Date Posted
09/15/2022
Taxonomy (ARC-IT) Transit Pedestrian Indication (PT11), Vehicle Turning Right in Front of a Transit Vehicle (PT13), Connected Vehicle Traffic Signal System (TM04), Vulnerable Road User Safety (VS12)
Geolocation links
Cleveland, Ohio, United States

When Implementing Pedestrian and Bicycle Automated Count Technologies, Select and Design Sites with Widths Compatible with Detector Parameters and Avoid Unconstrained Locations to Mitigate Bypass Errors.

Place counters strategically at the site to minimize bypass errors. Careful selection for the location of counters at the site plays an important role in the ultimate accuracy of the collected count…
Content type
Lesson
Date Posted
11/23/2021
Taxonomy (ARC-IT) Vulnerable Road User Safety (VS12)
Geolocation links
Arlington, Virginia, United States   |   Washington, District of Columbia, United States   |   Oakland, California, United States

The Distance Between Consecutive Variable Speed Advisory (VSA) Signs Installed on State Highways Should Not Be Greater Than One-Half Mile According to a Caltrans Field Study.

The following were lessons learned from field testing. Implement VSA sign with radar detection to better estimate the mainline traffic and to evaluate driver compliance using traffic speed and…
Content type
Lesson
Date Posted
10/22/2021
Taxonomy (ARC-IT) Variable Speed Limits (TM20)
Geolocation links
San Diego, California, United States

An Evaluation of Three Work Zone Intrusion Alarm Systems in California Provided Suggestions to Enhance Visual, Sound, and Sensor Components.

The lessons learned from the project are summarized for the WZIA systems evaluated.  Provide a visual alert and include multiple speakers and volume control to improve sound levels in all…
Content type
Lesson
Date Posted
09/28/2021
Taxonomy (ARC-IT) Incident Scene Safety Monitoring (PS07), In-Vehicle Signage (TI07), Dynamic Roadway Warning (TM12), Autonomous Vehicle Safety Systems (VS01), Reduced Speed Zone Warning / Lane Closure (VS09), Work Zone Safety Monitoring (MC07)
Geolocation links
Sacramento, California, 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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