Topic 4 of 14
Safety margins
Safety margins are the space and time you leave yourself. This topic covers stopping distances, following gaps, wet roads, ice and snow, fog, skidding and braking technique.
Lessons
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Lesson 1 · Stopping distances · 8 min
Stopping distances, and why they are not what you think
What thinking distance and braking distance actually are, the numbers you need for the test, and why doubling your speed does far more than double the distance.
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Lesson 2 · Wet roads · 7 min
Rain, spray and standing water
How wet roads change grip, what aquaplaning feels like and what to do about it, and how to get through floods and fords without wrecking the car.
What this topic covers
- Stopping distances
- Following gaps
- Wet roads
- Ice and snow
- Fog
- Skidding
- Braking technique
Roughly how much of the test
About 8% of a 50-question paper, which is roughly 4 questions.
Our mock tests are weighted this way. The real paper varies.