CMF / CRF Details
CMF ID: 22
Provide a raised median
Description:
Prior Condition: No Prior Condition(s)
Category: Access management
Study: Handbook of Road Safety Measures, Elvik, R. and Vaa, T., 2004
| Star Quality Rating: |
[View score details]
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| Rating Points Total: | 105 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.78 |
| Adjusted Standard Error: | 0.02 |
| Unadjusted Standard Error: | 0.01 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 22 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | 2 |
| Unadjusted Standard Error: | 1 |
| Applicability | |
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| Crash Type: | All |
| Crash Severity: | A (serious injury),B (minor injury),C (possible injury) |
| Roadway Types: | Principal Arterial Other |
| Number of Lanes: | Multilane |
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| Area Type: | Urban |
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| If countermeasure is intersection-based | |
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| Development Details | |
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| Type of Methodology Used: | 9 |
