CMF / CRF Details
CMF ID: 10131
Change in pavement roughness
Description: Effects of change in pavement roughness, often measured by International Roughness Index (IRI), on crashes
Prior Condition: No Prior Condition(s)
Category: Roadway
Study: Safety Effects of Pavement Roughness for Freeways: A Comparative Analysis of Interstate Highways in Five States, Lee and Abdel-Aty, 2019
| Star Quality Rating: | Cannot Be Rated (Insufficient Information) |
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| Crash Modification Factor (CMF) | |
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| Value: |  |
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| Applicability | |
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| Crash Type: | All |
| Crash Severity: | All |
| Roadway Types: | Principal Arterial Interstate |
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| Number of Lanes Comment: | |
| Crash Weather: | Not specified |
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| Area Type: | All |
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| Time of Day: | Not specified |
| If countermeasure is intersection-based | |
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| Development Details | |
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| Date Range of Data Used: | 2016 to 2016 |
| Municipality: | |
| State: | AZ,CO,FL,MD,MI |
| Country: | USA |
| Type of Methodology Used: | Regression cross-section |
| Other Details | |
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| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Jul 26, 2019 |
| Comments: | |
