Innovative End-of-Queue Warning System Reduces Crashes Up to 45%

A Texas Department of Transportation (TxDOT) project to widen 96 miles of Interstate 35 (I-35) through central Texas has led to the design of an innovative end-of-queue system that reduced crashes by up to 45%.

Frequent temporary nighttime lane closures were inducing queues upstream of the merging taper. (Daytime closures were prohibited.) The queues were of concern for four reasons. 1) The corridor is predominantly rural, so drivers do not expect traffic queues, especially at night… (continue reading)