SA-6 Increase the number of States with mandatory ignition interlock laws for first and repeat impaired driving offenders in the United States
About the Data
Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.
Number of States with mandatory ignition interlock laws for first and repeat impaired driving offenders
Almost all states have some sort of ignition interlock law. At the launch of HP 2020, Alabama and South Dakota do not have an ignition interlock law. A number of States have mandatory ignition interlock provisions for all offenses. Other States offer a strong incentive to install an interlock device on the first conviction. Hawaii’s mandatory ignition interlock law goes into effect in 2011.
Additional resources about the objective
- Mothers Against Drunk Driving: Status of State Ignition Interlock Laws. Home page. August 2010.
- National Conference of State Legislatures: Issues & Research - Transportation - State Ignition Interlock Laws. Home page. August 2010. Questions Used To Obtain the National Baseline Data