Drunk driving arrests and crashes have been decreasing in Michigan for about a decade, which lines up with a national trendExperts said continued law enforcement presence on the road and education around impaired driving have helpedWhile drunk driving incidents were down in 2025, more than 7,000 drivers had blood alcohol levels twice the legal limitVehicle crashes involving alcohol or drugs, along with arrests for drunk driving decreased across Michigan last year, but the drops were not uniform. There were 24,690 drunk driving arrests in 2025, down 628 from the year prior, according to Michigan State Police data released this month. Drunk driving arrests and crashes in Michigan are also down from about a decade ago. Many of the 27 counties above the state average in drunk driving arrests per capita are in northern Michigan. Macomb County in metro Detroit was among 23 counties below the state average in drunk driving crashes last year.