CMF / CRF Details
CMF ID: 102
Install edgelines, centerlines, and post-mounted delineators
Description:
Prior Condition: No Prior Condition(s)
Category: Delineation
Study: Handbook of Road Safety Measures, Elvik, R. and Vaa, T., 2004
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 105 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.55 |
| Adjusted Standard Error: | 0.11 |
| Unadjusted Standard Error: | 0.06 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 45 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | 11 |
| Unadjusted Standard Error: | 6 |
| Applicability | |
|---|---|
| Crash Type: | All |
| Crash Severity: | A (serious injury),B (minor injury),C (possible injury) |
| Roadway Types: | Not Specified |
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| Minimum Number of Lanes: | 2 |
| Maximum Number of Lanes: | |
| Number of Lanes Direction: | |
| Number of Lanes Comment: | > = 2 Lanes |
| Crash Weather: | Not specified |
| Road Division Type: | Undivided |
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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: | Meta-analysis |
