Safety margins

In good, dry conditions, what is the typical overall stopping distance at 20 mph?

6 metres
12 metres
Correct
23 metres
18 metres

Why?

The Typical Stopping Distances chart with rule 126 of The Highway Code gives about 12 metres at 20 mph: 6 metres thinking distance plus 6 metres braking distance, roughly three car lengths.

Highway Code rule 126

Practise by topic Create account

In good, dry conditions, what is the typical overall stopping distance at 20 mph?

Get 5 practice questions in your inbox every morning, until your test.

Related questions