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Wisconsin permit test: alcohol, drugs and driving

Alcohol and drug effects, BAC limits, implied consent and OWI consequences. 11 questions, 10 at a time, starting with ones you haven't seen.

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Rules to remember9 key alcohol, drugs and driving rulesShow the rules
  1. Driving under the influence of any drug is illegal, including prescription and non-prescription drugs. (p. 53)
  2. Any amount of a controlled substance in your system is treated the same as operating while impaired. (p. 53)
  3. If you have been drinking, get a ride from a sober friend or family member or have a cab called. (p. 53)
  4. Studies show that people who use marijuana make more mistakes while driving. (p. 53)
  5. If you refuse the test, the officer must arrest you for violating the Implied Consent Law. (p. 53)
  6. Drivers under 21 cannot have any alcohol in their system while driving, no matter how they feel. (p. 53)
  7. Refusing the test means arrest under the Implied Consent Law and losing your driving privileges for at least one year. (p. 53)
  8. Under implied consent, if an officer asks you to take a prohibited alcohol concentration test, you must agree to take it. (p. 53)
  9. A warning against operating heavy machinery includes driving motor vehicles, so you should not drive. (p. 53)

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

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Sample alcohol, drugs and driving questions

  1. 1.Is it legal to drive while under the influence of a prescription drug?

    • ANo, but only for prescription pain relievers
    • BNo, driving under the influence of any drug is illegal
    • CYes, if a doctor prescribed it to you
    • DYes, as long as you take the normal dose
    Show the answer

    ✓ B. No, driving under the influence of any drug is illegal

    Driving under the influence of any drug is illegal, including prescription and non-prescription drugs.

    Source: Wisconsin Motorists' Handbook (BDS126) (2026), page 53

  2. 2.A driver has a small amount of a controlled substance in their system but feels fine. How does Wisconsin treat this?

    • AThe same as operating impaired
    • BAs a warning for a first offense
    • CAs illegal only above a set level
    • DAs legal, since they feel fine
    Show the answer

    ✓ A. The same as operating impaired

    Any amount of a controlled substance in your system is treated the same as operating while impaired.

    Source: Wisconsin Motorists' Handbook (BDS126) (2026), page 53

  3. 3.You have been drinking. What is the only thing that will make you sober?

    • AExercise
    • BTime
    • CA cold shower
    • DBlack coffee
    Show the answer

    ✓ B. Time

    Only time sobers you up; coffee, showers and exercise do not lower your alcohol level.

    Source: Wisconsin Motorists' Handbook (BDS126) (2026), page 53

  4. 4.You refuse an officer's request to take an alcohol test. For at least how long will you lose your driving privileges?

    • A90 days
    • B6 months
    • C1 year
    • D2 years
    Show the answer

    ✓ C. 1 year

    Refusing the test means arrest under the Implied Consent Law and losing your driving privileges for at least one year.

    Source: Wisconsin Motorists' Handbook (BDS126) (2026), page 53