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Utah permit test: alcohol, drugs and dui

Effects of alcohol and drugs, under-21 rules, BAC limits, implied consent, alcohol-restricted and ignition interlock drivers, and impound. 23 questions, 10 at a time, starting with ones you haven't seen.

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Rules to remember10 key alcohol, drugs and dui rulesShow the rules
  1. The handbook warns that illegal, over-the-counter and prescribed drugs can all affect your driving like alcohol. (p. 61)
  2. The handbook says impairment begins with the first drink; even one drink can affect your driving. (p. 61)
  3. The handbook says vision is affected at a BAC of just 0.02 for all drivers, and vision is the most important driving sense. (p. 61)
  4. Someone aged 13 to 20 convicted of underage possession or drinking has their license suspended for one year on a first offense. (p. 62)
  5. In Utah you violate the law if your blood alcohol content is over 0.05 (0.04 for a CDL holder). (p. 62)
  6. A first DUI conviction for a driver 21 or older brings a 120-day license suspension; a second or later brings two years. (p. 62)
  7. Refusing a chemical test leads to an 18-month revocation for a first offense and 36 months for later offenses. (p. 63)
  8. Driving with any measurable alcohol during an alcohol-restricted period leads to a one-year revocation. (p. 63)
  9. Interlock-restricted drivers must have the device monitored at least every 60 days, or the restriction is extended. (p. 64)
  10. After a first DUI conviction, a driver is restricted to vehicles with an ignition interlock device for 18 months. (p. 64)

Taken from the explanations to checked practice questions; page numbers link to the official handbook.

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Sample alcohol, drugs and dui questions

  1. 1.You plan to take a motorboat out on a lake after drinking. Which rule applies?

    • AThe same laws apply as for driving a vehicle
    • BBoating has no alcohol limit
    • COnly a fine applies, with no license effect
    • DOnly CDL holders are covered on the water
    Show the answer

    ✓ A. The same laws apply as for driving a vehicle

    The same laws apply to operating a motorboat under the influence as to driving a motor vehicle under the influence.

    Source: Utah Driver Handbook (AAMVA Model Non-Commercial) 2026 (2026), page 63

  2. 2.What is the BAC limit for a driver with a commercial driver license (CDL) in Utah?

    • A0.08%
    • B0.02%
    • C0.05%
    • D0.04%
    Show the answer

    ✓ D. 0.04%

    The handbook sets the limit at 0.04 BAC for CDL holders, lower than the 0.05 limit for other drivers.

    Source: Utah Driver Handbook (AAMVA Model Non-Commercial) 2026 (2026), page 62

  3. 3.A driver is arrested for DUI while out on a motorboat. What may the officer do with the boat?

    • AFine the owner but leave it
    • BLet a passenger keep using it
    • CNothing; boats are exempt
    • DHave it impounded
    Show the answer

    ✓ D. Have it impounded

    After a DUI arrest the officer may have the vehicle or motorboat impounded; the owner pays towing and storage to get it back.

    Source: Utah Driver Handbook (AAMVA Model Non-Commercial) 2026 (2026), page 64

  4. 4.A driver on alcohol-restricted status is convicted of driving with a measurable amount of alcohol. What happens?

    • AA written warning only
    • BLicense suspended for 30 days
    • CA fine but no license action
    • DLicense revoked for 1 year
    Show the answer

    ✓ D. License revoked for 1 year

    Driving with any measurable alcohol during an alcohol-restricted period leads to a one-year revocation.

    Source: Utah Driver Handbook (AAMVA Model Non-Commercial) 2026 (2026), page 63