Practices for Balancing Safety Investments in a Comprehensive Safety Program (2022) / Chapter Skim
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Pages 65-68
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From page 65... ...
65 This chapter provides a summary of the synthesis findings as well as gaps in current practice and opportunities to overcome these gaps through future research, technical assistance, and training. Summary This synthesis effort documents current state DOT practices for identifying, prioritizing, and evaluating HSIP projects.
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66 Practices for Balancing Safety Investments in a Comprehensive Safety Program • Diagnostic methods for spot locations range from basic crash summaries and collision diagrams to the tests of proportions and multidisciplinary site investigation teams. • Some state DOTs provide further guidance and resources for countermeasure selection, including an approved list of countermeasures and a list of applicable CMFs for use in benefitcost analysis.
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Summary of Findings 67 and crash rate) are most common.
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From page 68... ...
68 Practices for Balancing Safety Investments in a Comprehensive Safety Program Specific to the systemic approach, there is an opportunity to advance the state-of-the-practice on risk factor identification and project prioritization. For example, many state DOTs are using basic risk-based analysis methods, such as crash summaries and crash trees, to identify and assess potential risk factors, and there is an opportunity to advance the practice to either use more rigorous methods to analyze state-specific data or apply the results from reputable national research, including NCHRP Research Report 955: Guide for Quantitative Approaches to Systemic Safety Analysis (28)
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