Improved Active Traffic Management Strategies Make Travel Smoother on Twin Cities Freeways

Status:  Complete
Report Date:  06/08/2015


Researchers enhanced the variable advisory speed limit algorithm on Interstate 35W with an improved parameter to account for weather and traffic conditions at each station, which improved travel time reliability and reduced sudden traffic decelerations. They also improved the algorithm for ramp metering to better react to actual congestion conditions, reducing vehicle delays.

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