Newest Lesson Learned Entries

Added: 10/24/2019

Simulation study on human interactions with CACC vehicles finds that local coordination methods scale more efficiently to market penetration than ad hoc methods.

University researchers model the impacts of CACC at varied market penetration rates (MPRs).

Added: 10/22/2019

Emphasize pilot projects to get real-world data on impact of automated vehicles, recommends United Kingdom mobility inquiry.

The report, a product from the Commission on Travel Demand, outlined the current state of shared mobility in the United Kingdom and recommended paths forward.

Added: 10/17/2019

Current generation adaptive cruise control systems do not prevent phantom traffic jams.

University researchers tested adaptive cruise control (ACC) systems on a rural roadway in Arizona.

Added: 10/16/2019

Cat's eye retro-reflectors extend the range of lane detection when using automated vehicle camera technology at night, especially in inclement weather.

A presentation on automated vehicle camera technology and performance considerations for Advanced Driver Assist Systems (ADAS) applications.

Added: 10/16/2019

Study finds that certain confined spaces prohibit the use of large aerial drones to inspect bridges; areas for improvement remain to reduce the training and skill required to operate these devices.

MnDOT assessment of drone use as part of a risk- based approach to bridge inspection realizes safety, cost and quality improvements.

Added: 10/09/2019

Current generation pedestrian crash avoidance systems may not be effective at night or during right-turns.

An independent evaluation of automatic emergency braking systems with pedestrian detection.

Added: 09/30/2019

Cybersecurity, reliability, and shared cars are the top public concerns regarding Autonomous Vehicles in Austria.

Vienna University of Economics and Business researchers conducted a large-scale online survey.

Added: 09/30/2019

Cast a broad net in evaluating traveler behavior: Managed Lanes analysis finds evidence of "theory blindness" that can impact model accuracy.

The report, submitted to the TRB Annual Meeting, found that traveler behavior often conflicted with expected behavior.

Added: 09/27/2019

Use appropriate traffic control markings and measures to encourage driver comfort and proper use of reversible lanes at signalized intersections.

Turner-Fairbank Highway Research Center conducted two experiments in a highway driving simulator to evaluate driver behavior and sign comprehension during reversible-lane operations compared to conventional-lane operations.

Added: 09/17/2019

Cities should utilize data from mobility service providers operating on city streets to effectively manage local streets.

NACTO guidance emphasizes why cities require data from private vendors operating on city streets to ensure positive safety, equity, and mobility outcomes on streets and places in the public right-of-way.