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Raised intersections on arterial roads can reduce casualty crashes by up to 40%.
Also known as platform intersections, raised junctions or plateaus, these speed management devices typically aim to reduce the speed of vehicles to 50 km/h or less. The entire intersection can be raised with the pavement surface sometimes flush with the adjoining footpath. Alternatively, raised platforms can be placed in advance of the intersection (sometimes referred to as raised stop bars) in order to achieve a similar effect. Raised intersections can be painted or paved in a manner such that they serve to further increase driver awareness of the intersection.
Check out the Austroads Research Report on Selecting and designing raised safety platforms: https://austroads.com.au/latest-news/selecting-and-designing-raised-safety-platforms
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