Lessons

Latest Lessons Learned Updates

Use in-vehicle audible alerts in addition to visual safety alerts to improve speed limit compliance.
Date Posted: 10/09/2017 | Source Date:
Deploying right-turn restrictions as an active traffic management strategy can improve safety and efficiency at intersections with unconventional layouts, right-turn overlaps, emergency vehicle conflict concerns, and high pedestrian volumes.
Date Posted: 10/09/2017 | Source Date:
Use truck-mounted radar speed signs to help reduce vehicle speeds through continuously moving and intermittent mobile work operations.
Date Posted: 10/09/2017 | Source Date:
Use the FRATIS system to enable automated communications between multiple stakeholders and improve logistics in the event of traffic delays or changes to wait times at drayage facilities.
Date Posted: 10/06/2017 | Source Date:
Requiring HOT lane users to be subject to visual inspection systems can help quantify and limit the number of occupancy violators in managed lanes.
Date Posted: 09/26/2017 | Source Date:
Operating headway-based transit service during high frequency service hours can reduce bus bunching.
Date Posted: 09/26/2017 | Source Date:
Conduct bench testing prior to field installation of transit signal priority (TSP) equipment to verify functionality between detectors, signal controllers, phase selectors, and cabinet design.
Date Posted: 09/26/2017 | Source Date:
Avoid using blank messages on dynamic message signs (DMS) including dashes for travel time applications as drivers may not understand these signs or assume they are broken.
Date Posted: 09/26/2017 | Source Date:
Maintain active communications regardless of system states, faults, or emergency kill switches to ensure the safety and function of cooperative adaptive cruise control truck platoons.
Date Posted: 09/26/2017 | Source Date:
Separately deploying mileage-based user fee and in-vehicle safety alert functions helps ensure each technology has the best opportunity for user acceptance.
Date Posted: 09/26/2017 | Source Date:
ITS Deployment Evaluation

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