CMF / CRF Details

CMF ID: 4043

Installation of a speed hump or other speed reducing measure for through motorized vehicles on the main road

Description: Bicyclists use the raised crossing to cross the main road

Prior Condition:  No speed reducing measure on main road

Category: Bicyclists

Study: Road Factors and Bicycle-Motor Vehicle Crashes at Unsignalized Priority Intersections, Schepers et al., 2011

 
Star Quality Rating:2 Stars  [View score details]
Rating Points Total:60
Crash Modification Factor (CMF)
Value:1.28
Adjusted Standard Error:
Unadjusted Standard Error:0.345
Crash Reduction Factor (CRF)
Value:-28  (This value indicates an increase in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:34.5
Applicability
Crash Type:Vehicle/bicycle
Crash Severity:All
Roadway Types:All
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:All
Minimum Speed Limit:
Maximum Speed Limit:
Speed Unit:
Speed Limit Comment:
Area Type:Urban and suburban
Traffic Volume:
Average Traffic Volume:
Time of Day:
If countermeasure is intersection-based
Intersection Type:Roadway/roadway (not interchange related)
Intersection Geometry:
Traffic Control:
Major Road Traffic Volume:
Minor Road Traffic Volume:
Average Major Road Volume :7000 Annual Average Daily Traffic (AADT)
Average Minor Road Volume :
Development Details
Date Range of Data Used:2005 to 2008
Municipality:
State:notusa
Country:Netherlands
Type of Methodology Used:Regression cross-section
Sample Size (site-years):344 site-years
Other Details
Included in Highway Safety Manual?No
Date Added to Clearinghouse:Jun 04, 2012
Comments: