CMF / CRF Details

CMF ID: 5190

Change intersection skew angle

Description: Skew angle is defined as the absolute value of the difference between 90 degrees and the actual intersection angle (see illustration).

Prior Condition:  No Prior Condition(s)

Category: Intersection geometry

Study: Prediction of the Expected Safety Performance of Rural Two-Lane Highways, Harwood et al., 2000

Image: View the countermeasure image.

 
Star Quality Rating:Cannot Be Rated (HSM)
Rating Points Total:
Crash Modification Factor (CMF)
Value:Equation
Adjusted Standard Error:
Unadjusted Standard Error:
Crash Reduction Factor (CRF)
Value:
Adjusted Standard Error:
Unadjusted Standard Error:
Applicability
Crash Type:All
Crash Severity:All
Roadway Types:Minor Arterial
Street Type:
Minimum Number of Lanes:3
Maximum Number of Lanes:
Number of Lanes Direction:Both Directions
Number of Lanes Comment:Multi Lane
Crash Weather:Not specified
Road Division Type:
Minimum Speed Limit:
Maximum Speed Limit:
Speed Unit:
Speed Limit Comment:
Area Type:Rural
Traffic Volume:
Average Traffic Volume:
Time of Day:
If countermeasure is intersection-based
Intersection Type:Roadway/roadway (not interchange related)
Intersection Geometry:3-leg
Traffic Control:Stop-controlled
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:No state(s) chosen.
Country:
Type of Methodology Used:Not specified
Other Details
Included in Highway Safety Manual?Yes
Date Added to Clearinghouse:Dec 01, 2009
Comments:HSM 1st Ed, page 14-19