Revision question · Band 2 traffic signs and signals, car control, pedestrians, mechanical knowledge

What’s the minimum depth of tread on the tyres of a trailer?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

1 mm

1.6 mm

2 mm

2.2 mm

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1.6 mmThis was the right answer

Your car or small van must have a minimum tread depth of 1.6 mm across the centre of the tread and around the entire circumference. This also applies to the tyres on your trailer.

Reviewed reading for this question

Tow a trailer with a carReviewed guidance summary · Trailer tread, lights and other safety equipment must be legal and working before the journey.

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