The Michigan State Police (MSP) is a U.S. state law enforcement agency founded in 1917. MSP’s Alcohol Enforcement Unit administers the state’s breath alcohol testing program and has been conducting preliminary breath alcohol tests since 1983. Michigan has a BAC (blood alcohol content) level of .08 BAC for 21 years of age and older. The state also has a limit of .02 BAC for drivers under age 21 and additional penalties for drivers with a BAC of .17 or higher. In 2012 thirty one percent of fatal traffic accidents in Michigan involved alcohol and/or drugs.
