CMF / CRF Details

CMF ID: 189

Effects of snow fences and higher state of preparedness for the whole winter season

Description:

Prior Condition: No Prior Condition(s)

Category: Roadway

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

 
Star Quality Rating: 3 Stars   [View score details]
Rating Points Total: 75
Crash Modification Factor (CMF)
Value: 0.89
Adjusted Standard Error: 0.26
Unadjusted Standard Error:
Crash Reduction Factor (CRF)
Value: 11   (This value indicates a decrease in crashes)
Adjusted Standard Error: 26
Unadjusted Standard Error:
Applicability
Crash Type: All
Crash Severity: All
Roadway Types: All
Number of Lanes:
Road Division Type:
Speed Limit:
Area Type: All
Traffic Volume: Minimum of All to Maximum of All
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: 9
Other Details
Included in Highway Safety Manual? No
Date Added to Clearinghouse: Dec-01-2009
Comments: