This report contains practical, hands-on advice to help practitioners in road authorities investigate and treat locations on the road system which, are experiencing traffic crashes. By effectively treating these locations, through the application of effective engineering solutions, the number and severity of crashes can be reduced. The treatment of crash locations and the process of road safety audit both involve the application of road safety engineering knowledge and experience to make roads safer, one after crashes occur and the other beforehand. This report explains the step-by-step process of how to identify crash locations, how to diagnose the crash problem and its causes, how to select a countermeasure which targets the problem, how to design a safe remedial treatment and how to establish its cost-effectiveness. The guide also provides information on sources of road crash data and how engineering improvements fit into an overall road safety strategy. This guide complements Austroads Road Safety Audit guide released in 2002. (Author/publisher)
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