CMF / CRF Details

CMF ID: 8089

Install red-light cameras

Description: RLR enforcement cameras

Prior Condition:  Intersection without RLC

Category: Advanced technology and ITS

Study: Estimating safety performance trends over time for treatments at intersections in Florida, Wang et al., 2015

 
Star Quality Rating:3 Stars  [View score details]
Rating Points Total:100
Crash Modification Factor (CMF)
Value:1.089
Adjusted Standard Error:
Unadjusted Standard Error:0.087
Crash Reduction Factor (CRF)
Value:-8.9  (This value indicates an increase in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:8.7
Applicability
Crash Type:All
Crash Severity:All
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:
If countermeasure is intersection-based
Intersection Type:Roadway/roadway (not interchange related)
Intersection Geometry:Not specified
Traffic Control:Signalized
Major Road Traffic Volume:
Minor Road Traffic Volume:
Average Major Road Volume :
Average Minor Road Volume :
Development Details
Date Range of Data Used:2003 to 2013
Municipality:
State:FL
Country:
Type of Methodology Used:Before/after using comparison group
Sample Size (sites):19 sites before, 19 sites after
Other Details
Included in Highway Safety Manual?No
Date Added to Clearinghouse:Nov 10, 2016
Comments:Total crashes months 19-36 after RLC installation