CMF / CRF Details

CMF ID: 4583

Implement automated speed enforcement cameras

Description:

Prior Condition: No automated speed enforcement

Category: Advanced technology and ITS

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

 
Star Quality Rating: 5 Stars
Crash Modification Factor (CMF)
Value: 0.83
Adjusted Standard Error:
Unadjusted Standard Error: 0.01
Crash Reduction Factor (CRF)
Value: 17   (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error: 1
Applicability
Crash Type: All
Crash Severity: K (fatal),A (serious injury),B (minor injury),C (possible injury)
Roadway Types: All
Number of Lanes:
Road Division Type:
Speed Limit:
Area Type: All
Traffic Volume:
Average Traffic Volume:
Time of Day:
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:
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: