CMF / CRF Details

CMF ID: 4285

Install red-light cameras

Description: RLR enforcement cameras

Prior Condition:  No RLR enforcement camera

Category: Advanced technology and ITS

Study: Effectiveness of Red Light Cameras-Texas Statewide Evaluation, Walden and Bochner, 2011

 
Star Quality Rating:2 Stars  [View score details]
Rating Points Total:40
Crash Modification Factor (CMF)
Value:0.7
Adjusted Standard Error:
Unadjusted Standard Error:0.07
Crash Reduction Factor (CRF)
Value:30  (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:7
Applicability
Crash Type:All
Crash Severity:All
Roadway Types:Principal Arterial Other
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:All
Minimum Speed Limit:
Maximum Speed Limit:
Speed Unit:
Speed Limit Comment:
Area Type:All
Traffic Volume:
Average Traffic Volume:
Time of Day:All
If countermeasure is intersection-based
Intersection Type:Roadway/roadway (not interchange related)
Intersection Geometry:No values chosen.
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:
Municipality:
State:TX
Country:USA
Type of Methodology Used:Simple before/after
Other Details
Included in Highway Safety Manual?No
Date Added to Clearinghouse:Dec 06, 2012
Comments:CMF applies only to red-light-related crashes at interstate frontage road intersections.