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Alcohol, drugs and distractionsQuestion 48 of 318

Cannabis use is legal. What is true about driving after use?

  1. It is dangerous and prohibited.
  2. It is allowed if the driver feels well.
  3. It is allowed on quiet roads.
  4. It is allowed if the driver drives slowly.
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Correct answer: It is dangerous and prohibited.

Cannabis use may be legal, but driving after it is dangerous and prohibited. It lowers vigilance and concentration, and it makes reaction times longer.

Source: Driver's Handbook, 2nd edition (SAAQ, 2018), Chapter 1, The Driver > Drugs and medication, page 69

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Questions last reviewed: 18 October 2026