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← Speed & safe distance
Advanced scenarios · Lesson 03

Decision workshop · Speed & safe distance

Reason from the conditions, not from a memorised answer. Read the scene, choose, then open the explanation. The drawing is illustrative; the written conditions control the question.

1. Identify the decisive details

Your headlights illuminate less clear road than your stopping distance at the posted limit. There is no traffic ahead. Which speed is appropriate?

Situation diagram
Situation diagramOriginal educational diagram · not to scale. Read the question for all conditions.

2. Compare the possible decisions

  1. The limit provided I keep my foot over the brake.
  2. A lower speed that lets me stop within the visible clear distance.
  3. The posted limit because the road ahead is empty.
Show the answer and explanation

Correct answer: B · A lower speed that lets me stop within the visible clear distance.

A limit is a ceiling, not a guarantee of safety. You must be able to stop before a foreseeable obstruction within your view. An empty-looking road and a prepared foot do not shorten the physical braking distance.

3. What changes if the situation changes?

Better visibility does not remove the speed limit. Rain, traffic and grip can still require a lower speed.

Regulatory source ↗10.1.1, 10.1.3Reviewed 2026-11-06

Practice questions →Apply the lesson