CMF / CRF Details
CMF ID: 3143
Increase surface width from X to Y feet
Description: Increase the width of the travel way. This pertains to the travel lanes only, not the shoulders.
Prior Condition: No Prior Condition(s)
Category: Roadway
Study: Safety Evaluation of Truck-Related Crashes at Freeway Diverge Areas, Zhenyu Wang, Bin Cao, Weiping Deng, Jian John Lu, and Zhao Zhang, 2011
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 115 |
| Crash Modification Factor (CMF) | |
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| Value: |  |
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| Crash Reduction Factor (CRF) | |
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| Value: |  |
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| Applicability | |
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| Crash Type: | Truck related |
| Crash Severity: | All |
| Roadway Types: | Principal Arterial Other Freeways and Expressways |
| Street Type: | |
| Minimum Number of Lanes: | |
| Maximum Number of Lanes: | |
| Number of Lanes Direction: | |
| Number of Lanes Comment: | |
| Crash Weather: | Not specified |
| Road Division Type: | Divided by Median |
| Minimum Speed Limit: | |
| Maximum Speed Limit: | |
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| Speed Limit Comment: | |
| Area Type: | Not specified |
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| Time of Day: | All |
| If countermeasure is intersection-based | |
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| Average Major Road Volume : | |
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| Development Details | |
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| Date Range of Data Used: | 2005 to 2008 |
| Municipality: | |
| State: | FL |
| Country: | usa |
| Type of Methodology Used: | Regression cross-section |
| Sample Size (crashes): | 4630 crashes |
| Other Details | |
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| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Jul 15, 2011 |
| Comments: | |
