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Phase IV Review Meeting ---- Segments

This report presents a comprehensive comparison of Phase III and Phase IV data regarding severe crashes on various road segments as of September 24, 2011. Focused on rural paved and gravel roads, it analyzes critical data points, including rural road crashes categorized by location and type, as well as the shifting of Critical Average Daily Traffic (ADT) Ranges. The report highlights the impact of access density and identifies head-on crash risks, offering essential insights for improving road safety in metro counties.

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Phase IV Review Meeting ---- Segments

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  1. Phase IV Review Meeting----Segments September 24, 2011

  2. Comparison of Phase III and IV • All Roads • Rural Paved Roads • Rural Gravel Roads Metro Counties only include portion of the county designated as ‘rural’ by the County staff.

  3. ATP 2 – County Comparison • All Segments • Rural Paved Segments Severe Crashes by Location Severe Crashes by Type

  4. ATP 2 – Critical ADT Range • For Phase IV, data points to shifting the Critical ADT Range to 400+

  5. ATP Metro – County Comparison • All Segments • Rural Paved Segments Severe Crashes by Location Severe Crashes by Type

  6. ATP Metro – Critical ADT Range • For Phase IV, data points to shifting the Critical ADT Range to 3,000+

  7. Severe ROR Crashes by ADT

  8. Access Density • Segment given a STAR if above the county’s average of access points per mile.

  9. Head-On Crashes by Volume

  10. Percent No-Passing • Does not appear to be a risk factor for severe head-on crashes.

  11. Segment Critical Ranges * Currently suggested critical ranges.

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