Licences and penaltiesQuestion 145 of 310

What blood THC level leads to a three-month Administrative Licence Suspension?

  1. Over 5 ng of THC
  2. Over 1 ng of THC
  3. Over 2.5 ng of THC alone
  4. Over 3 ng of THC
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Correct answer: Over 5 ng of THC

More than 5 ng of THC in the blood gives the three-month suspension.

Source: Driver's Handbook (Manitoba Public Insurance, February 2026), Three-month Administrative Licence Suspension, page 116

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Questions last reviewed: 18 October 2026