CMF / CRF Details

CMF ID: 4581

Install red-light cameras

Description: RLR enforcement cameras

Prior Condition: A signalized intersection without red-light cameras.

Category: Advanced technology and ITS

Study: Highway Safety Manual, 1st Edition, Various, 2010

 
Star Quality Rating: 5 Stars
Crash Modification Factor (CMF)
Value: 0.74
Adjusted Standard Error:
Unadjusted Standard Error: 0.03
Crash Reduction Factor (CRF)
Value: 26   (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error: 3
Applicability
Crash Type: Other
Crash Severity: All
Roadway Types: Not specified
Number of Lanes:
Road Division Type:
Speed Limit:
Area Type: Urban
Traffic Volume:
Average Traffic Volume:
Time of Day:
If countermeasure is intersection-based
Intersection Type: Roadway/roadway (not interchange related)
Intersection Geometry:
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:
Country:
Type of Methodology Used: Before/after using empirical Bayes or full Bayes
Other Details
Included in Highway Safety Manual? Yes
Date Added to Clearinghouse:
Comments: Crash type: right-angle and left-turn opposite direction.