CMF / CRF Details
CMF ID: 9246
Increase lane width by 1 ft
Description: Increase lane width by 1 ft
Prior Condition: No Prior Condition(s)
Category: Roadway
Study: Statewide Analysis of Bicycle Crashes, Alluri et al., 2017
Star Quality Rating: | [View score details] |
Rating Points Total: | 75 |
Crash Modification Factor (CMF) | |
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Value: | 0.77 |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Crash Reduction Factor (CRF) | |
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Value: | 23 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Applicability | |
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Crash Type: | Vehicle/bicycle |
Crash Severity: | All |
Roadway Types: | Principal Arterial Other |
Street Type: | |
Minimum Number of Lanes: | 4 |
Maximum Number of Lanes: | 4 |
Number of Lanes Direction: | |
Number of Lanes Comment: | |
Crash Weather: | Not specified |
Road Division Type: | Divided by Median |
Minimum Speed Limit: | |
Maximum Speed Limit: | |
Speed Unit: | |
Speed Limit Comment: | |
Area Type: | Urban |
Traffic Volume: | Minimum of 600 to Maximum of 120000 Annual Average Daily Traffic (AADT) |
Average Traffic Volume: | 24545 Annual Average Daily Traffic (AADT) |
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 | |
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Date Range of Data Used: | 2011 to 2014 |
Municipality: | |
State: | FL |
Country: | |
Type of Methodology Used: | Regression cross-section |
Sample Size (crashes): | 1764 crashes |
Sample Size (miles): | 2329 miles |
Other Details | |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Jun 17, 2018 |
Comments: | Minor arterial, major collector, and minor collector facility types were also included. |