CMF / CRF Details
CMF ID: 6157
Convert oversized roadway to standard roadway
Description: An oversized roadway is 14+ meters wide and a standard roadway is approximately 11.5 meters wide
Prior Condition: Oversized roadway (14+ meters wide)
Category: Roadway
Study: Investiagting the safety effects of road width on urban collector roadways, Manuel et al., 2014
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 105 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: |  |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: |  |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Applicability | |
|---|---|
| Crash Type: | All |
| Crash Severity: | All |
| Roadway Types: | Major Collector |
| Street Type: | |
| Minimum Number of Lanes: | 2 |
| Maximum Number of Lanes: | 2 |
| Number of Lanes Direction: | |
| Number of Lanes Comment: | |
| Crash Weather: | Not specified |
| Road Division Type: | |
| Minimum Speed Limit: | |
| Maximum Speed Limit: | |
| Speed Unit: | |
| Speed Limit Comment: | |
| Area Type: | Urban |
| Traffic Volume: | Minimum of 340 to Maximum of 12878 Average Daily Traffic (ADT) |
| Average Traffic Volume: | 4224 Average Daily Traffic (ADT) |
| Time of Day: | Not specified |
| 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: | 2006 to 2010 |
| Municipality: | |
| State: | notusa |
| Country: | Canada |
| Type of Methodology Used: | Regression cross-section |
| Sample Size (crashes): | 2095 crashes |
| Sample Size (sites): | 212 sites |
| Sample Size (site-years): | 1060 site-years |
| Sample Size (miles): | 193 miles |
| Sample Size (mile-years): | 963 mile-years |
| Other Details | |
|---|---|
| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Mar 11, 2015 |
| Comments: | |
