CMF / CRF Details

CMF ID: 10864

Convert intersection to median U-turn (MUT) intersection

Description:

Prior Condition:  Conventional Signalized Intersection

Category: Intersection geometry

Study: Safety Evaluation of Median U-Turn Crossover-Based Intersections, Al-Omari et al., 2020

 
Star Quality Rating:4 Stars  [View score details]
Rating Points Total:125
Crash Modification Factor (CMF)
Value:2.2432
Adjusted Standard Error:
Unadjusted Standard Error:
Crash Reduction Factor (CRF)
Value:-124.32  (This value indicates an increase in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:
Applicability
Crash Type:Other
Crash Severity:All
Roadway Types:Not specified
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:Divided by Median
Minimum Speed Limit:
Maximum Speed Limit:
Speed Unit:
Speed Limit Comment:
Area Type:Urban and suburban
Traffic Volume:
Average Traffic Volume:
Time of Day:All
If countermeasure is intersection-based
Intersection Type:Roadway/roadway (not interchange related)
Intersection Geometry:4-leg
Traffic Control:Signalized
Major Road Traffic Volume:Minimum of 25512 to Maximum of 85076 Annual Average Daily Traffic (AADT)
Minor Road Traffic Volume:Minimum of 246 to Maximum of 37958 Annual Average Daily Traffic (AADT)
Average Major Road Volume :55616 Annual Average Daily Traffic (AADT)
Average Minor Road Volume :13338 Annual Average Daily Traffic (AADT)
Development Details
Date Range of Data Used:2008 to 2017
Municipality:
State:MI,NC,OH
Country:
Type of Methodology Used:
Other Details
Included in Highway Safety Manual?No
Date Added to Clearinghouse:Jul 01, 2021
Comments:This CMF is for Non Motorized crashes. This CMF is for Type A MUT Intersection. A pictorial representation of Type A and Type B MUT Intersection is presented in Figure 2 in the paper.

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