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... 1 Guide for Quantitative Approaches to Systemic Safety Analysis 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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... 2 Guide for Quantitative Approaches to Systemic Safety Analysis • Application of safety performance functions (SPFs) using in-house analysis tools or Safety Analyst software.
From page 3...
... Summary 3 – Curb extensions, – Reflective strips on sign posts, – Mini-roundabouts, – Lighting. Implementation The systemic safety management approach is adaptable based on available data, but its implementation may still be relatively data-intensive, potentially incorporating reliable roadway inventory, traffic volume, and/or crash data.

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