Latest Lessons Learned Updates

Signage such as “Keep Lane Assist On” is Recommended for All Levels of Vehicle Automation, Especially for Lower Levels of Automation.
Date Posted: 10/26/2021 | Source Date:
Modify Boundaries by Direction and Use High Resolution GPS to Create Better Geo-Fencing for School Zone Speed Monitoring Mobile Applications.
Date Posted: 10/26/2021 | Source Date:
Emphasize Sensor Placement and Message Board Visibility When Installing Queue Warning Systems to Ensure Driver Viewability.
Date Posted: 10/26/2021 | Source Date:
Establish a System-wide Inventory of Traffic Signal System Technology to Improve Evaluation Capabilities and Effectively Monitor Agency Investments.
Date Posted: 10/26/2021 | Source Date:
The Distance Between Consecutive Variable Speed Advisory (VSA) Signs Installed on State Highways Should Not Be Greater Than One-Half Mile.
Date Posted: 10/22/2021 | Source Date:
Arizona Study Suggests Revising Pedestrian Hybrid Beacon Location Criteria to Include Roadways with Speed Limits of Up To 50 MPH and Latent Crossing Demand.
Date Posted: 09/28/2021 | Source Date:
Three Scenarios in Traffic Jam Assist System Simulation Recommend Adjusting Lane Change Onset Threshold Values from 0.02 to 0.03g for Better Accuracy.
Date Posted: 09/28/2021 | Source Date:
An Evaluation of Three Work Zone Intrusion Alarm Systems in California Provided Suggestions to Enhance Visual, Sound, and Sensor Components.
Date Posted: 09/28/2021 | Source Date:
As Automated Vehicles Lead to an Increase in Willingness to Take Longer Trips, Service Providers and Public Agencies Will Need to Reorient Information Campaigns Beyond Usual Geographic Confines.
Date Posted: 09/27/2021 | Source Date:
Recognize Limitations in Passive Radio Frequency Identification Tag Reading Distance and Driving Speed When Selecting Technologies for Traffic Sign Asset Management.
Date Posted: 09/26/2021 | Source Date:
ITS Deployment Evaluation

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

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Washington, DC 20590

1-800-853-1351

its.dot.gov

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