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Consultants present SS4A safety analysis, urge prioritizing intersections and vulnerable road users
Summary
HDR consultants reported a high-injury network covering most fatal and serious crashes, found vulnerable road users are heavily overrepresented in severe outcomes, and proposed prioritizing overlapping high-injury and high-risk segments for infrastructure and policy interventions.
Mindy Moore, project manager for HDR, told the MPOJC Transportation Technical Advisory Committee on March 24 that the Safe Streets and Roads for All (SS4A) Safety Action Plan work has identified a concentrated set of road segments where investments would likely reduce deaths and serious injuries.
“We picked the top 15% of the roadway network,” Moore said, describing a high-injury network the team developed from 2020–2024 crash data. The consultants reported that network accounts for roughly three-quarters of fatal and serious and minor injury crashes within the study area, creating an “actionable area” for targeted safety improvements.
Bryce, HDR traffic engineer and data analyst on the project, summarized the data methods used to identify both the high-injury network and a complementary…
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