In Michigan, an adult driver age 21 or older is considered legally intoxicated (OWI) at what Blood Alcohol Concentration (BAC)?

0.10 percent or higher for adults

0.02 percent or higher at any age

0.05 percent or higher for adults

What does Michigan's Zero Tolerance law mandate for drivers under 21 years of age?

It is unlawful to operate a motor vehicle with any bodily alcohol content (0.02% BAC or higher)

Underage drivers face penalties only if involved in a reportable crash causing property damage

It is legal to drive if their blood alcohol content remains strictly below 0.05 percent

A first chemical test refusal results only in a mandatory warning letter from the Secretary of State

It is unlawful to operate a motor vehicle with any bodily alcohol content (0.02% BAC or higher)

Michigan Driver License/Topics/Impaired Driving, BAC Limits & Implied Consent

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Alcohol and drugs1 of 2
In Michigan, an adult driver age 21 or older is considered legally intoxicated (OWI) at what Blood Alcohol Concentration (BAC)?
The answer
Answer: D. In Michigan, operating a motor vehicle with a blood alcohol concentration (BAC) of 0.08 percent or higher constitutes Operating While Intoxicated (OWI). Michigan also enforces a 'High BAC' law with enhanced penalties for drivers convicted with a BAC of 0.17 percent or greater. Drivers under 21 are held to a lower limit under Michigan's Zero Tolerance law.
Source: What Every Driver Must Know — Chapter 2: Your Driving Record (p. 14)
Alcohol and drugs2 of 2
What does Michigan's Zero Tolerance law mandate for drivers under 21 years of age?
The answer
Answer: D. Michigan enforces a strict Zero Tolerance law for underage motorists. It is illegal for anyone under age 21 to operate a vehicle with any bodily alcohol content, defined as a BAC of 0.02 percent or greater (or any presence of alcohol, other than religious ceremony consumption).
Source: What Every Driver Must Know — Chapter 2: Your Driving Record (p. 14)

Quick answers on Impaired Driving, BAC Limits & Implied Consent

How many Impaired Driving, BAC Limits & Implied Consent questions are on the Michigan Driver License?

QuizCram covers 36 practice questions in the Impaired Driving, BAC Limits & Implied Consent domain, mapped directly to the official examination blueprint.

What is the passing score for the Michigan Driver License?

The benchmark score is 80% (QuizCram 25-question practice sets · official question count and pass mark not published in the manual).

Are these Impaired Driving, BAC Limits & Implied Consent questions written from official sources?

Yes. All questions on QuizCram are written against official handbooks and blueprint specifications with legal citations.