MADD: Car-locking systems have stopped 1.77 million drivers

ANNAPOLIS, Md. — Car-locking systems have stopped more than 1.77 million people from driving drunk since states first passed laws requiring offenders to install them in 1999, Mothers Against Drunk Driving said in a first-of-its-kind report on the devices nationwide. The data come from the 11 major manufactures of the ignition interlock systems, and the […]