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Saskatchewan Class 7 Learner Knowledge Test · Question

Recommended minimum winter tire tread depth in Canada is:

Winter tires should be replaced when tread is below about 3 mm; legal minimum is 1.6 mm for all-season.

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Question: Recommended minimum winter tire tread depth in Canada is:

Answer options:

  • 1.6 mm ✅ 3 mm
  • 4 mm
  • 6 mm

Correct answer: 3 mm

Explanation: Winter tires should be replaced when tread is below about 3 mm; legal minimum is 1.6 mm for all-season.

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