CMF / CRF Details

Provide highway lighting

Description:

Prior Condition: No Prior Condition(s)

Category: Highway lighting

Study: Handbook of Road Safety Measures, Elvik, R. and Vaa, T., 2004

 
Star Quality Rating: 3 Stars
Crash Modification Factor (CMF)
Value: 0.31
Adjusted Standard Error: 0.36
Unadjusted Standard Error:
Crash Reduction Factor (CRF)
Value: 69 (This value indicates a decrease in crashes)
Adjusted Standard Error: 36
Unadjusted Standard Error:
Applicability
Crash Type: All
Crash Severity: Fatal
Roadway Types: All
Number of Lanes:
Road Division Type:
Speed Limit:
Area Type: All
Traffic Volume: All to All
Time of Day:
If countermeasure is intersection-based
Intersection Type:
Intersection Geometry:
Traffic Control:
Major Road Traffic Volume:
Minor Road Traffic Volume:
Development Details
Date Range of Data Used:
Municipality:
State:
Country:
Type of Methodology Used: Meta-analysis
Sample Size Used:
Other Details
Included in Highway Safety Manual? No
Date Added to Clearinghouse: 11-01-2009
Comments:

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The information contained in the Crash Modification Factors (CMF) Clearinghouse is disseminated under the sponsorship of the U.S. Department of Transportation in the interest of information exchange. The U.S. Government assumes no liability for the use of the information contained in the CMF Clearinghouse. The information contained in the CMF Clearinghouse does not constitute a standard, specification, or regulation, nor is it a substitute for sound engineering judgment.