Developing a Guide for Quantitative Approaches to Systemic Safety Analysis (2020) / Chapter Skim
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Pages 81-84
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74 Conclusions and Future Research 5.1 Summary of Findings Highway agencies have traditionally managed their highway safety improvement process by identifying and correcting high-crash locations ("hot-spots") , where concentrations of crashes and/or patterns of crashes were found.
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75 It helps agencies broaden their traffic safety efforts and consider the potential for future crashes as well as crash history when identifying where to make safety improvements. It provides the ability to program projects further into the future as projects can be based on the presence or absence of crash contributing factors (i.e., roadway characteristics)
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76 Funding and Implementation Funding of systemic projects varies among agencies. Some agencies formally split HSIP dollars between traditional hot-spot approaches and systemic safety management approaches.
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77 to highway safety would ideally always be data driven, but agencies can start out by developing their systemic safety management approach using available data or data that can be easily collected, and then their systemic analytical or methodological approach can evolve over time as more reliable data become available. One of the objectives of this research was to define quantitative approaches to systemic safety analysis and distinguish it from other approaches for identifying safety improvements such as the crash-history-based (e.g., "hot-spot")
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