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)
Adjusted Standard Error:
Unadjusted Standard Error:
Crash Type: All
Crash Severity: All
Roadway Types: Minor Arterial
Number of Lanes: Multilane
Road Division Type:
Speed Limit:
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:
State: No state(s) chosen.
Type of Methodology Used:
Other Details
Included in Highway Safety Manual? Yes
Date Added to Clearinghouse: Dec-01-2009
Comments: HSM 1st Ed, page 14-19