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DUI, Alcohol, and Drug Laws Flashcards

6 cards from real Maryland MVA Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 DUI, Alcohol, and Drug Laws flashcards as text

  1. What is the legal blood alcohol concentration (BAC) limit for non-commercial drivers age 21 and over in Maryland?

    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.

  2. In Maryland, what BAC level results in a charge of Driving While Impaired (DWI) rather than DUI?

    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.

  3. What is the legal BAC limit for drivers under age 21 in Maryland?

    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.

  4. What does Maryland's 'implied consent' law mean?

    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.

  5. What happens to a Maryland driver's license if they refuse a roadside chemical test after a DUI arrest?

    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.

  6. In Maryland, which of the following is true about prescription drugs and driving?

    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.

How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. mva.maryland.gov — Fees, eligibility, test delivery, exam format, passing score, retake policy, time limit, score validity · verified Oct 2026