Guide for Quantitative Approaches to Systemic Safety Analysis (2020) / Chapter Skim
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Pages 88-90
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88 Summary of the Systemic Safety Management Approach For years, highway agencies have focused on identifying high-crash locations and making safety improvements at these sites. This crash-history-based (or hot-spot)
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Summary of the Systemic Safety Management Approach 89 In conjunction, several facility types that agencies have focused on using systemic safety management approaches to address target crash types include: • Rural freeways, • Rural multilane highways, • Rural two-lane roads, • Rural local roads, • Rural roads with pavement width less than 24 ft, • Horizontal curves on rural two-lane roads, • Low-volume local roads, • Unpaved roads, and • Signalized and stop-controlled intersections. Types of countermeasures that agencies have implemented as part of their systemic safety management projects include: • Roadway segments: – Rumble strips (both shoulder and centerline)
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From page 90... ...
90 Guide for Quantitative Approaches to Systemic Safety Analysis to their local conditions. SPF development, however, requires a special skill set which many state and local highway agencies do not have within their organizations, so agencies often look to hire universities and/or consultants with the technical expertise to develop agency-specific SPFs and in-house tools for data management and network screening.
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