New Brunswick Knowledge Test Coach
Safe drivingQuestion 249 of 309

Which tire fault makes a vehicle unsafe to drive?

  1. Dirt on the sidewall
  2. Tread that is a little wet
  3. Bulges or cuts in the tread
  4. A tire that is not new
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Correct answer: Bulges or cuts in the tread

A tire with bulges, tread cuts or exposed cords is unsafe. Replace it before you drive.

Source: New Brunswick Driver's Handbook (Government of New Brunswick, 2022), 5.1 The vehicle, page 54

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Questions last reviewed: 18 October 2026