CMF / CRF Details
CMF ID: 8217
Change horizontal alignment
Description: change horizontal alignment
Prior Condition: No horizontal curve
Category: Alignment
Study: Effect of Horizontal Curves on Urban Arterial Crashes, Banihashemi, 2016
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 40 |
| Crash Modification Factor (CMF) | |
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| Value: |  |
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| Unadjusted Standard Error: | |
| Crash Reduction Factor (CRF) | |
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| Value: | |
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| Unadjusted Standard Error: | |
| Applicability | |
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| 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 |
