Maryland MVA Test DUI, Alcohol, and Drug Laws 1 — Questions and Answers
Question 1: What is the legal blood alcohol concentration (BAC) limit for non-commercial drivers age 21 and over in Maryland?
- 0.05%
- 0.08% (Correct answer)
- 0.10%
- 0.12%
Correct answer: 0.08%
Maryland, like all US states, sets the legal per se BAC limit at 0.08% for drivers 21 and older operating non-commercial vehicles.
Question 2: In Maryland, what BAC level results in a charge of Driving While Impaired (DWI) rather than DUI?
- 0.04% to 0.07% (Correct answer)
- 0.08% to 0.10%
- 0.10% to 0.14%
- Any BAC above 0.05%
Correct answer: 0.04% to 0.07%
Maryland's DWI charge applies to drivers with a BAC between 0.04% and 0.07%, reflecting measurable impairment even below the DUI threshold.
Question 3: What is the legal BAC limit for drivers under age 21 in Maryland?
- 0.08%
- 0.04%
- 0.02% (Correct answer)
- 0.00% — any alcohol is illegal
Correct answer: 0.02%
Maryland's zero tolerance law for underage drivers sets the legal limit at 0.02% BAC, effectively prohibiting any drinking before driving.
Question 4: What does Maryland's 'implied consent' law mean?
- Police may search your vehicle without a warrant if alcohol is suspected
- By driving on Maryland roads you consent to chemical testing if lawfully arrested for DUI (Correct answer)
- You must answer all questions from an officer during a DUI stop
- You automatically lose your license if you are stopped for drunk driving
Correct answer: By driving on Maryland roads you consent to chemical testing if lawfully arrested for DUI
Implied consent means that by driving in Maryland, you have pre-agreed to submit to a breath, blood, or urine test if lawfully arrested for DUI.
Question 5: What happens to a Maryland driver's license if they refuse a roadside chemical test after a DUI arrest?
- Nothing — refusing is protected by the Fifth Amendment
- A 120-day suspension for a first refusal (Correct answer)
- An automatic 90-day suspension and MVA review
- A fine but no license action
Correct answer: A 120-day suspension for a first refusal
Under Maryland's implied consent law, a first-time refusal to submit to a chemical test results in a mandatory 120-day license suspension.
Question 6: In Maryland, which of the following is true about prescription drugs and driving?
- Prescription drugs never impair driving ability
- Driving while impaired by any drug, including legally prescribed medications, is illegal (Correct answer)
- Only illegal drugs can result in a DUI charge in Maryland
- Drivers are exempt from DUI laws if a doctor prescribed the medication
Correct answer: Driving while impaired by any drug, including legally prescribed medications, is illegal
Maryland DUI laws apply to any substance — legal or illegal — that impairs a driver's ability to operate a vehicle safely.
Maryland MVA Test DUI, Alcohol, and Drug Laws 1
What is the legal blood alcohol concentration (BAC) limit for non-commercial drivers age 21 and over in Maryland?