Variable speed limits can limit work zone congestion

Associate Professor Praveen Edara was the lead author on a paper titled “Evaluation of variable advisory speed limits in congested work zones” recently published in the Journal of Transportation Safety and Security. With assistance from Professor Carlos Sun, former doctoral student Yi Hou and equipment from the Missouri Department of Transportation, Edara tested the impact the use of variable advisory speed limit (VASL) systems had in lessening congestion and reducing rear-end and lane-changing accidents on Interstate 270, a major four-lane highway in St. Louis.

Read more…

Leave a Reply

Your email address will not be published. Required fields are marked *