At an unsignalized intersection, 8 rear-end crashes, 21 angle crashes, and 4 head-on crashes were observed during a three-year period. Using the cost data in Table 5.22, determine the relative severity index at this site.
What will be an ideal response?
a) Identify crash costs:
- Rear-end, unsignalized intersection: $13,200
- Angle, unsignalized intersection: $61,100
- Head-on, unsignalized intersection: $47,500.
b) Determine total cost for all crashes:
c) Determine RSI:
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