Grading Ignition Interlock Laws
As a whole, the nation scores a 53% for ignition interlock laws. National Average F
MADD graded state ignition interlock laws based on five criteria. The grades are meant to encourage action in legislatures to improve drunk driving laws. MADD thanks prosecutors, law enforcement, highway safety officials and all of those involved with implementing current ignition interlock laws to keep the public safe.
Volunteers, staff and partners join a bill signing in Wisconsin in 2026.
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