MI DMV Alcohol, Drugs, and Impaired Driving 1 — Questions and Answers
Question 1: In Michigan, what is the legal blood alcohol content (BAC) limit for drivers aged 21 and older?
- 0.05%
- 0.08% (Correct answer)
- 0.10%
- 0.12%
Correct 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).
Question 2: What BAC limit applies to drivers under 21 years old in Michigan under the Zero Tolerance law?
- 0.00%
- 0.02% (Correct answer)
- 0.04%
- 0.08%
Correct 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.
Question 3: A Michigan driver is considered 'super drunk' (High BAC) if their blood alcohol content is at or above:
- 0.08%
- 0.10%
- 0.17% (Correct answer)
- 0.20%
Correct 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.
Question 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?
- The driver is automatically found guilty of OWI
- The driver's license is automatically suspended for 1 year and 6 points are added (Correct answer)
- The driver may refuse with no legal penalty
- The driver receives a written warning only
Correct 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.
Question 5: Which of the following best describes Operating While Intoxicated (OWI) in Michigan?
- Only driving with a BAC of 0.10% or more
- Driving with a BAC of 0.08% or more, or while visibly impaired by alcohol or drugs (Correct answer)
- Driving with any detectable alcohol in the body
- Driving while under the influence of prescription drugs only
Correct 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.
Question 6: How many points are added to a Michigan driver's record for an OWI conviction?
- 2 points
- 4 points
- 6 points (Correct answer)
- 8 points
Correct 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.
Question 7: In Michigan, which offense specifically covers driving while impaired to a lesser degree by alcohol or drugs but not meeting the OWI threshold?
- Operating While Intoxicated (OWI)
- Operating While Visibly Impaired (OWVI) (Correct answer)
- Reckless Driving
- Careless Driving
Correct 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.
MI DMV Alcohol, Drugs, and Impaired Driving 1
In Michigan, what is the legal blood alcohol content (BAC) limit for drivers aged 21 and older?