Related Publications
Effects of Low-level Speeding
Even low-level speeding can increase the risk of a crash and its severity.
Driving just five km/h over the limit in a 60km/h zone doubles your risk of being involved in a casualty crash.
A report prepared by the University of Adelaide for the Australian Transport Safety Bureau in 2002, found:
In an urban 60km/h speed limit environment, the relative risk of being involved in a casualty crash was found to approximately double for each five km/h increase in free travelling speed.
An example of the speed/crash relationship is illustrated in the diagram below:
