CMF / CRF Details
CMF ID: 3098
Increase in horizontal curvature from X to Y degrees
Description: Increase in horizontal curvature from X to Y degrees
Prior Condition: No Prior Condition(s)
Category: Alignment
Study: Predicting accident frequency at their severity levels and its application in site ranking using a two-stage mixed multivariate model, Wang et al., 2011
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 115 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: |  |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Crash Reduction Factor (CRF) | |
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| Value: |  |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Applicability | |
|---|---|
| Crash Type: | All |
| Crash Severity: | All |
| Roadway Types: | Principal Arterial Other |
| Street Type: | |
| Minimum Number of Lanes: | 1 |
| Maximum Number of Lanes: | 6 |
| Number of Lanes Direction: | |
| Number of Lanes Comment: | |
| Crash Weather: | Not specified |
| Road Division Type: | All |
| Minimum Speed Limit: | 64 |
| Maximum Speed Limit: | 112 |
| Speed Unit: | km/h |
| Speed Limit Comment: | |
| Area Type: | |
| Traffic Volume: | Minimum of 6 to Maximum of 98395 Annual Average Daily Traffic (AADT) |
| Average Traffic Volume: | 45802 Annual Average Daily Traffic (AADT) |
| Time of Day: | All |
| If countermeasure is intersection-based | |
| Intersection Type: | |
| Intersection Geometry: | |
| Traffic Control: | |
| Major Road Traffic Volume: | |
| Minor Road Traffic Volume: | |
| Average Major Road Volume : | |
| Average Minor Road Volume : | |
| Development Details | |
|---|---|
| Date Range of Data Used: | 2003 to 2007 |
| Municipality: | London |
| State: | notusa |
| Country: | England |
| Type of Methodology Used: | Regression cross-section |
| Other Details | |
|---|---|
| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Jul 15, 2011 |
| Comments: | |
