Select a speed below to see how the chances of a pedestrian surviving a crash reduces with an increasing impact speed.
Select a speed below to see how it affects the time to react and stop whether you're driving a car or truck or riding a motorcycle.
Total distance to stop: 26m — 30m
Total distance to stop: 20m — 29m
See how speed affects your peripheral vision.
Good concentration allows drivers to notice hazards and make decisions about the best way to react.
Fatigue slows reaction time and reflexes. Get 7.5 hours sleep before a long drive.
Alcohol slows reaction times, while drugs can lead drivers to overestimate their abilities.
Young people have sharper senses but older people have more experience.
Older vehicles may not have five-star safety ratings, check ANCAP.
It’s important to check your vehicle’s tyre pressure.
Look for Anti-lock braking Systems and Auto Emergency Braking.
Ensure loads are positioned near the front of the vehicle and allow longer slowing time.
Gravel shoulders can cause vehicles to skid off the road.
Be aware that it’s easy to pick up speed down hills.
Even slight curves can cause vehicles to leave the road.
Slow down in slippery conditions as braking distance is longer.
The Government of Western Australia acknowledges the traditional custodians throughout Western Australia and their continuing connection to the land, waters and community. We pay our respects to all members of the Aboriginal communities and their cultures; and to Elders both past and present.
The Road Safety Commission is a portfolio within WA Police Force. It reports to the Minister for Road Safety, Hon. Michelle Roberts MLA.