Practice Test GeeksOR DMV - Oregon Department of Motor Vehicle Practice Test
← All OR DMV Flashcard Decks

OR DMV DUI and Alcohol Laws Questions and Answers Flashcards

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

Read the first 6 OR DMV DUI and Alcohol Laws Questions and Answers flashcards as text

  1. In Oregon, the legal blood alcohol concentration (BAC) limit for drivers 21 and older is:

    Answer: 0.08%

    Oregon, like all U.S. states, sets the per se DUI limit at 0.08% BAC for drivers 21 and over.

  2. In Oregon, what is the BAC limit for drivers under 21?

    Answer: 0.02%

    Oregon has a zero-tolerance law for drivers under 21, with a BAC limit of 0.02% (effectively zero) to account for minor testing variances.

  3. Oregon's Implied Consent Law means that by driving in Oregon you have automatically agreed to:

    Answer: Submit to a breath, blood, or urine test if lawfully requested by police

    Implied Consent means that obtaining a driver's license implies your agreement to chemical testing when lawfully requested by law enforcement.

  4. What is the minimum license suspension for a first DUII offense in Oregon?

    Answer: 90 days

    A first DUII conviction in Oregon results in a minimum 1-year license suspension plus fines, mandatory treatment, and possible jail time.

  5. In Oregon, what is the BAC limit for commercial vehicle drivers?

    Answer: 0.04%

    Commercial drivers in Oregon are held to a stricter 0.04% BAC limit due to the increased responsibility of operating large vehicles.

  6. If you refuse a breath test in Oregon, what automatically happens to your license?

    Answer: It is suspended for 1 year for a first refusal

    Under Oregon's Implied Consent Law, refusing a chemical test results in an automatic 1-year license suspension for a first refusal.

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. oregon.gov — Eligibility, score validity, retake policy, fees, retake fee, test delivery, exam format · verified Oct 2026