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← Speed & safe distance
Lesson · Speed & safe distance

Choose speed for the visible stopping space

Reaction and braking space
Reaction and braking spaceOriginal educational diagram · not to scale. Read the question for all conditions.
1

A legal maximum is a ceiling, not a target. A bend, spray or parked vehicles can shorten the space you can see. Ask whether you could stop within the clear road ahead, rather than whether the speedometer remains below the sign.

2

Create more following space before visibility worsens. If somebody follows too closely, avoid retaliatory braking; preserve room ahead and let them pass when it is safe and lawful. Distance gives you time to brake progressively.

Regulatory source ↗ · Reviewed 2026-11-06

Apply the lesson

Educational difficulty is separate from the legal penalty. These are original practice questions, not official examination items.

Foundation

Speed & safe distance: which statement is correct? (1)

Reduced visibility
Reduced visibilityOriginal educational diagram · not to scale. Read the question for all conditions.
  1. A speed limit is a minimum speed in all weather.
  2. Driving close behind makes emergency braking safer.
  3. Even below the speed limit, reduce speed when visibility or grip deteriorates.
Show the answer and explanation

Correct answer: C

Even below the speed limit, reduce speed when visibility or grip deteriorates.

Regulatory source ↗
Standard

You are below the posted maximum when thick fog suddenly reduces your view. What should change?

Reduced visibility
Reduced visibilityOriginal educational diagram · not to scale. Read the question for all conditions.
  1. Maintain speed because it is legally below the maximum.
  2. Even below the speed limit, reduce speed when visibility or grip deteriorates.
  3. Move closer to the vehicle ahead to see better.
Show the answer and explanation

Correct answer: B

Even below the speed limit, reduce speed when visibility or grip deteriorates.

Regulatory source ↗
Advanced scenarios

An ordinary car passes a yellow municipal boundary sign in Flanders. It remains outside a built-up area on an ordinary two-way road. No other limit applies. Maximum?

Read the full driving situation
Read the full driving situationOriginal educational diagram · not to scale. Read the question for all conditions.
  1. 30 km/h
  2. 50 km/h
  3. 70 km/h
Show the answer and explanation

Correct answer: C

A yellow municipal boundary is not the built-up-area sign. Apply the current regional road default unless another applicable restriction changes it.

Regulatory source ↗