Practice question

What is the minimum legal tread depth for tyres on a commercial vehicle over 3.5 tonnes gross weight in the UK?

  1. 1.6 mm across the central three-quarters of the tyre tread
  2. 1.0 mm in a continuous band around the entire circumference and across at least three-quarters of the tread breadth
  3. 2.0 mm across the entire width of the tyre
  4. 0.5 mm in the outer tread grooves only

Answer: B — 1.0 mm in a continuous band around the entire circumference and across at least three-quarters of the tread breadth

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