With more roadway construction underway than ever in the state, the Texas Department of Transportation (TxDOT) is introducing its first highway safety feature that incorporates a queue warning system and temporary rumble strips to reduce work-zone collisions. Making its debut along a central Texas stretch of I-35, the system uses sensors to measure the speeds of approaching vehicles and then warns drivers through portable, electronic signs about upcoming traffic backups due to night lane closures in work zo
