Motor Vehicle Injury – Alcohol-Impaired Driving: Ignition Interlocks

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Systematic Review

Source: The Guide to Community Preventive Services

Last Reviewed: April 2006

The Community Preventive Services Task Force (CPSTF) recommends ignition interlocks for people who have been convicted of drunk driving. Ignition interlocks are devices that can prevent a driver from using a vehicle if they have a blood alcohol concentration above a certain level. CPSTF found that when people who had been convicted of drunk driving had ignition interlocks in their vehicles, they were less likely to be arrested again. 

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Guide to Community Preventive Services. (2005). Motor vehicle injury - alcohol-impaired driving: Ignition interlocks. Retrieved from h