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Alcohol, Drugs, and Impaired Driving Flashcards

7 cards from real MI DMV practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Alcohol, Drugs, and Impaired Driving flashcards as text

  1. In Michigan, what is the legal blood alcohol content (BAC) limit for drivers aged 21 and older?

    Answer: 0.08%

    Michigan law sets the legal BAC limit at 0.08% for drivers 21 and older; at or above this level a driver is considered Operating While Intoxicated (OWI).

  2. What BAC limit applies to drivers under 21 years old in Michigan under the Zero Tolerance law?

    Answer: 0.02%

    Michigan's Zero Tolerance law prohibits drivers under 21 from having a BAC of 0.02% or higher, which is essentially any measurable amount of alcohol.

  3. A Michigan driver is considered 'super drunk' (High BAC) if their blood alcohol content is at or above:

    Answer: 0.17%

    Michigan's High BAC (Super Drunk) law applies when a driver's BAC is 0.17% or higher, carrying enhanced penalties beyond standard OWI.

  4. Under Michigan's implied consent law, what happens if a driver refuses a chemical test (breath, blood, or urine) when lawfully requested by an officer?

    Answer: The driver's license is automatically suspended for 1 year and 6 points are added

    Refusing a chemical test under Michigan's implied consent law results in an automatic 1-year license suspension and 6 points added to the driving record.

  5. Which of the following best describes Operating While Intoxicated (OWI) in Michigan?

    Answer: Driving with a BAC of 0.08% or more, or while visibly impaired by alcohol or drugs

    OWI in Michigan covers driving with a BAC of 0.08% or more OR while visibly impaired by alcohol, drugs, or a combination of both.

  6. How many points are added to a Michigan driver's record for an OWI conviction?

    Answer: 6 points

    An OWI conviction in Michigan adds 6 points to the driver's record, the maximum point value assigned to a single traffic offense.

  7. In Michigan, which offense specifically covers driving while impaired to a lesser degree by alcohol or drugs but not meeting the OWI threshold?

    Answer: Operating While Visibly Impaired (OWVI)

    Operating While Visibly Impaired (OWVI) applies when a driver's ability is visibly reduced by alcohol or drugs but their BAC is below 0.08%, making it a lesser charge than OWI.

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Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. michigan.gov — Renewal, test delivery, fees, score release, time limit, score validity, exam format, retake policy · verified Oct 2026