MA DMV Alcohol, Drugs, and Impaired Driving 1 — Questions and Answers
Question 1: What is the legal blood alcohol concentration (BAC) limit for drivers 21 and older in Massachusetts?
- 0.05%
- 0.08% (Correct answer)
- 0.10%
- 0.12%
Correct answer: 0.08%
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?
- 0.08%
- 0.04%
- 0.02% (Correct answer)
- 0.00%
Correct answer: 0.02%
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?
- 0.08%
- 0.06%
- 0.04% (Correct answer)
- 0.02%
Correct answer: 0.04%
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?
- Nothing — you have the right to refuse without penalty
- Your license is automatically suspended for at least 6 months (Correct answer)
- You are immediately taken to jail
- You must pay a fine but keep your license
Correct answer: Your license is automatically suspended for at least 6 months
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?
- Caffeine in high doses
- Certain prescription and over-the-counter medications (Correct answer)
- Eating while driving
- Talking on a hands-free device
Correct answer: Certain prescription and over-the-counter medications
Many prescription and over-the-counter medications cause drowsiness, blurred vision, and slowed reaction time that can impair driving as seriously as alcohol.
Question 6: What does OUI stand for in Massachusetts driving law?
- Operating Under Influence (Correct answer)
- Operating Unlicensed Impairment
- Official Unsafe Infraction
- Outstanding Unpaid Infraction
Correct answer: Operating Under Influence
OUI stands for Operating Under the Influence and is the Massachusetts term for what other states call DUI or DWI.
What is the legal blood alcohol concentration (BAC) limit for drivers 21 and older in Massachusetts?