Arkansas Trucking Association

The U.S. Army plans a highway test this summer of driverless convoy technology to examine how the vehicles communicate with one another, with nonmilitary vehicles and with the roadway infrastructure through radio links.

Twenty major automakers pledged to equip cars and trucks with automatic emergency-braking systems designed to detect and prevent crashes without driver action.

Drivers with sleep apnea have a five times greater risk of a severe crash when they do not adhere to a mandated treatment program, according to a study co-authored by the Virginia Tech Transportation Institute.