CMF / CRF Details

CMF ID: 9257

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:2 Stars  [View score details]
Rating Points Total:40
Crash Modification Factor (CMF)
Value:0.24
Adjusted Standard Error:
Unadjusted Standard Error:
Crash Reduction Factor (CRF)
Value:76  (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:
Applicability
Crash Type:Vehicle/bicycle
Crash Severity:K (fatal),A (serious injury)
Roadway Types:Principal Arterial Other
Street Type:
Minimum Number of Lanes:3
Maximum Number of Lanes:3
Number of Lanes Direction:
Number of Lanes Comment:
Crash Weather:Not specified
Road Division Type:Undivided
Minimum Speed Limit:
Maximum Speed Limit:
Speed Unit:
Speed Limit Comment:
Area Type:Urban
Traffic Volume:Minimum of 2700 to Maximum of 83000 Annual Average Daily Traffic (AADT)
Average Traffic Volume:14594 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):12 crashes
Sample Size (miles):85 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. Applies to one-way roads only.