The University of Adelaide CENTRE FOR AUTOMOTIVE SAFETY RESEARCH

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TitleTowards updated safe speeds using new speed-injury risk curves
AuthorsDoecke SD
Year2023
TypeUnknown
AbstractSafe speeds are considered fundamental to achieving the goals of the Safe System. The concept of safe speeds, and some proposed values for these safe speeds, were published almost 25 years ago. New risk curves that show the relationship between speed (travel and impact), and the risk of serious injury for given impact types were published in 2020 and 2021. These recently published risk curves have the potential to provide updated values for the safe speeds. To do this the speed-injury risk curves for impact type must be combined to represent crash types. The other element to defining safe speeds is defining an acceptable risk. While the exact acceptable risk is unknown, example safe speeds were calculated based on an acceptable risk of between 2 and 5%. The examples provided showed that head-on crashes have a particularly low safe speed (either travel speed or impact speed).
Conference Name2023 Australasian Road Safety Conference
Conference AbbreviationARSC23
Conference LocationCairns, Australia
Conference Date19-21 September
NotesSam presented this in session 32 Thursday Sep 21th

Reference
Doecke SD (2023). Towards updated safe speeds using new speed-injury risk curves. 2023 Australasian Road Safety Conference, Cairns, Australia, 19-21 September. [PRESENTED ABSTRACT]