CMF / CRF Details

CMF ID: 2976

Resurface pavement

Description:

Prior Condition:  No Prior Condition(s)

Category: Roadway

Study: Safety Evaluation of Multilane Arterials in Florida, Abdel-Aty et al., 2009

 
Star Quality Rating:4 Stars  [View score details]
Rating Points Total:110
Crash Modification Factor (CMF)
Value:0.95
Adjusted Standard Error:
Unadjusted Standard Error:0.05
Crash Reduction Factor (CRF)
Value:5  (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:4.6
Applicability
Crash Type:All
Crash Severity:K (fatal),A (serious injury)
Roadway Types:Not Specified
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:
Minimum Speed Limit:
Maximum Speed Limit:
Speed Unit:
Speed Limit Comment:
Area Type:
Traffic Volume:
Average Traffic Volume:
Time of Day:All
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:2002 to 2007
Municipality:
State:FL
Country:U.S.A.
Type of Methodology Used:Before/after using empirical Bayes or full Bayes
Sample Size (crashes):1853 crashes before, 1244 crashes after
Other Details
Included in Highway Safety Manual?No
Date Added to Clearinghouse:Mar 21, 2011
Comments: