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: 3 Stars   [View score details]
Rating Points Total: 75
Crash Modification Factor (CMF)
Value: 0.77
Adjusted Standard Error:
Unadjusted Standard Error:
Crash Reduction Factor (CRF)
Value: 23   (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:
Applicability
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
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
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.