Scale and Scope of Safety Assessment Methods in the Project Development Process

Worksheet 1C – Roadway Segment Crashes for Rural Two-Lane Two-Way Roadway Segments

Worksheet containing following information.

Total / FI Crashes / PDO Crashes:

• Crash Severity Distribution (proportion): 1.000 / 0.321 / 0.679
• Predicted average crash frequency (crashes/year): 70.7 / 22.7 / 48.0
• Roadway segment length (mi): 20 / 20 / 20
• Crash rate (crashes/mi/year): 3.5 / 1.1 / 2.4

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