CMF / CRF Details
CMF ID: 195
Increased pavement friction
Description:
Prior Condition: No Prior Condition(s)
Category: Roadway
Study: Crash Reduction Factors for Traffic Engineering and ITS Improvements, Harkey et al., 2008
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 135 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.43 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Crash Reduction Factor (CRF) | |
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| Value: | 57 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Applicability | |
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| Crash Type: | Wet road |
| Crash Severity: | All |
| Roadway Types: | All |
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| Crash Weather: | Wet road |
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| Area Type: | All |
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| If countermeasure is intersection-based | |
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| Development Details | |
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| Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
