Latest Lessons Learned Updates

Conduct Field Tests of Video Detection Systems to Verify Accuracy and Queue Monitoring Capabilities for Ramp Signals.
Date Posted: 07/28/2021 | Source Date:
Study Based on Industry Stakeholder Interviews Recommends Tightening Uniformity of Traffic Control Devices to Meet the Needs of Automated Vehicles.
Date Posted: 07/27/2021 | Source Date:
Increasing Warning Sign Activation Time after Last Detection Improves Animal Detection System Effectiveness for Highways.
Date Posted: 07/27/2021 | Source Date:
Assess Density of Signalized and Unsignalized Intersections along Corridor before Implementing Adaptive Signal Control Technology.
Date Posted: 07/25/2021 | Source Date:
Avoid Using Roadway Worker Protection Warning Devices in City Centers or in Small Areas with Multiple Tracks, as Train Indications May Be More of a Nuisance than Helpful to Frontline Workers.
Date Posted: 07/21/2021 | Source Date:
Automatic Pedestrian Detection Technology Can Successfully Detect Pedestrians Up to 92 Percent of the Time at Midblock Crosswalks and Up to 94 Percent of the Time at Signalized Intersections.
Date Posted: 06/29/2021 | Source Date:
Tacoma-based Pilot Project Offering First/Last Mile Service Reveals Interagency Communication and Clarity Are Key When Working with Other Transit Agencies.
Date Posted: 06/25/2021 | Source Date:
Recruit Twice the Number of Participants Needed to Ensure Statistically Viable Sample Size When A Study Is Implemented Over Time.
Date Posted: 06/22/2021 | Source Date:
Periodically Perform a Sensor Calibration in An Open Space to Avoid Distorted Compass Reading from Smart Phones.
Date Posted: 06/22/2021 | Source Date:
Supplement Traditional Methods with Third-party Passive Data Product for Faster, Accurate, Real-Time or Asynchronous Data Collection.
Date Posted: 06/22/2021 | Source Date:
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