CMF / CRF Details

CMF ID: 2953

Install red-light camera on major road of a 4-leg intersection (motorcycle crashes)

Description: Install red-light camera on the major road of a four-legged signalized intersection (effect on motorcycle crashes)

Prior Condition:  No Prior Condition(s)

Category: Advanced technology and ITS

Study: Applying Bayesian Hierarchical Models to Examine Motorcycle Crashes at Signalized Intersections, Haque et al., 2010

Star Quality Rating:5 Stars  [View score details]
Rating Points Total:135
Crash Modification Factor (CMF)
Adjusted Standard Error:
Unadjusted Standard Error:
Crash Reduction Factor (CRF)
Value:37  (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:
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:Urban
Traffic Volume:
Average Traffic Volume:
Time of Day:All
If countermeasure is intersection-based
Intersection Type:Not specified
Intersection Geometry:4-leg
Traffic Control:Signalized
Major Road Traffic Volume:Minimum of 5700 to Maximum of 37520 Annual Average Daily Traffic (AADT)
Minor Road Traffic Volume:Minimum of 2850 to Maximum of 31270 Annual Average Daily Traffic (AADT)
Average Major Road Volume :18431 Annual Average Daily Traffic (AADT)
Average Minor Road Volume :14509 Annual Average Daily Traffic (AADT)
Development Details
Date Range of Data Used:2003 to 2006
Type of Methodology Used:Regression cross-section
Sample Size (crashes):1948 crashes
Other Details
Included in Highway Safety Manual?No
Date Added to Clearinghouse:Mar 21, 2011
Comments:Only motorcycle related crashes