Speed
What is the typical reaction time for a driver responding to an unexpected event?
Reviewed on 17 Jul 2026
- A 0.25 to 0.5 seconds
- ✓ 0.75 to almost 1 second
- C 1.5 to 2 seconds
- D 2 to 3 seconds
Why this is the correct answer
The typical reaction time for a driver responding to an unexpected event is between 0.75 and almost 1 second. Factors such as alcohol, fatigue, or distraction increase it.
More questions on Speed
- What happens to braking distance when speed is doubled?
- Which of the following factors does NOT affect braking distance?
- Which of the following increases a driver's reaction time?
- What effect does travelling at high speed have on a driver's field of vision?
- Which of the following is a direct risk of excessive speed?
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