MA DMV Alcohol, Drugs, and Impaired Driving

Question 1

What is the legal blood alcohol concentration (BAC) limit for drivers 21 and older in Massachusetts?

Accepted Answer

0.08%

Answer

Massachusetts sets the legal BAC limit at 0.08% for drivers age 21 and older — at or above this level you are considered legally impaired.

Question 2

What is the BAC limit for drivers under 21 in Massachusetts?

Accepted Answer

0.02%

Answer

Massachusetts has a zero-tolerance policy for underage drivers with a BAC limit of 0.02%, effectively prohibiting any alcohol consumption before driving.

Question 3

What is the BAC limit for commercial vehicle drivers in Massachusetts?

Accepted Answer

0.04%

Answer

Commercial driver license holders are held to a stricter 0.04% BAC limit in Massachusetts because of the increased responsibility and risk involved.

Question 4

Under Massachusetts' implied consent law, what happens if you refuse a breathalyzer test after arrest?

Accepted Answer

Your license is automatically suspended for at least 6 months

Answer

Refusing a breathalyzer in Massachusetts results in an automatic license suspension of at least 180 days under the implied consent law.

Question 5

Which of the following can impair driving ability as much as alcohol?

Accepted Answer

Certain prescription and over-the-counter medications

Answer

Many prescription and over-the-counter medications cause drowsiness, blurred vision, and slowed reaction time that can impair driving as seriously as alcohol.

MA DMV - Massachusetts Department of Motor Vehicle Practice Test

MA DMV - Massachusetts Department of Motor Vehicle Practice Test

MA DMV Alcohol, Drugs, and Impaired Driving