Test Your Reaction Time
Tap the button to start. When the box turns green, tap again as fast as you can. We'll measure your reaction time three times and calculate the average.
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Stopping Distance
Thinking point
Stopping point
Hazard
Thinking Distance
Braking Distance
Hazard
0255075100
Stopping Distance Controls
Explore how different factors affect a vehicle's stopping distance. Adjust the sliders below to see the impact on both thinking distance and braking distance.
51830
14 m/s
0.21.12.0
0.7 seconds
Results
Thinking Distance:0 metres
Braking Distance:0 metres
Total Stopping Distance:0 metres
Stopping Distance Facts
- Stopping distance = Thinking distance + Braking distance
- Thinking distance is how far you travel before you start braking (speed × reaction time)
- Braking distance increases with the square of speed (doubling speed quadruples braking distance)