CMF / CRF Details
CMF ID: 8217
Change horizontal alignment
Description:
change horizontal alignment
Prior Condition: No horizontal curve
Category: Alignment
| 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: | Principal Arterial Other |
| 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: | Undivided |
| Minimum Speed Limit: | 35 |
| Maximum Speed Limit: | |
| Speed Unit: | mph |
| Speed Limit Comment: | > = 35 mph |
| Area Type: | Urban |
| Traffic Volume: | |
| Average Traffic Volume: | |
| 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: | 2007 to 2009 |
| Municipality: | |
| State: | WA |
| Country: | USA |
| Type of Methodology Used: | Regression cross-section |
| Sample Size (sites): | 4644 sites |
| Sample Size (site-years): | 13932 site-years |
| Sample Size (miles): | 244.1 miles |
| Sample Size (mile-years): | 732.3 mile-years |
| Other Details |
|---|
| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Jan 17, 2017 |
| Comments: | CMF applies to urban two-lane arterials with posted speed 35 mph or more and a radius less than 1,320 ft. |
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