Herb Simpson

About the author: Herb Simpson is president and chief executive officer of the Traffic Injury Research Foundation, a road safety institute working to reduce traffic related deaths and injuries.

Individuals who repeatedly drive after consuming large quantities of alcohol, known as the "hard core" of drunk drivers, cause up to 65 percent of serious alcohol-related auto collisions. Many of these chronic drunk drivers have received numerous convictions yet refuse to change their behavior when threatened with standard punishments such as fines, jail, and the loss of a driver's license. In fact, up to 75 percent continue to drive on suspended licenses. Effective remedies for keeping these hard core offenders off the roads include ignition interlock devices, which require the driver to pass a breath test before the car...