SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/drive-drug-impaired-driving

Can marijuana affect your ability to drive safely?

Yes, it can slow your reflexes and hurt your judgment.

  1. No, it only makes you relaxed
  2. Only if you use it while driving
  3. Yes, it slows reflexes and hurts judgment ✔

Why: Drugs, including marijuana, can hurt your reflexes, judgment, vision and alertness. Driving while impaired by any drug, legal or not, can be a crime.

Huh, didn't know that: In California it is illegal to smoke or eat a cannabis product while driving or riding as a passenger.

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References

Answer: Yes, it slows reflexes and hurts judgment. Drugs, including marijuana, can hurt your reflexes, judgment, vision and alertness. Driving while impaired by any drug, legal or not, can be a crime.

  1. New York State Driver's Manual, Chapter 9: Alcohol and Other Drugs dmv.ny.gov/new-york-state-drivers-manual-and-practice-tests/chapter-9-alcohol-and-other-drugs
    Drugs can detrimentally affect your reflexes, judgment, vision and alertness
    Checked 2026-10-09.
  2. California Driver's Handbook, Section 9: Alcohol and Drugs www.dmv.ca.gov/portal/handbook/california-driver-handbook/alcohol-and-drugs
    It is illegal to drink any alcohol, to smoke or eat a cannabis product while you are driving or riding as a passenger
    Checked 2026-10-09.

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