CMF / CRF Details

CMF ID: 5234

Convert from two-way to one-way traffic

Description:

Prior Condition:  two-way traffic on corridor near intersection

Category: Roadway

Study: Corridor-level signalized intersection safety analysis in Shanghai, China using Bayesian hierarchal models, Kun Xie, Xuesong Wang, Helai Huang, Xiahong Chen, 2013

 
Star Quality Rating:3 Stars  [View score details]
Rating Points Total:80
Crash Modification Factor (CMF)
Value:0.53
Adjusted Standard Error:
Unadjusted Standard Error:0.17
Crash Reduction Factor (CRF)
Value:47  (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:17.2
Applicability
Crash Type:All
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:
Minimum Speed Limit:
Maximum Speed Limit:
Speed Unit:
Speed Limit Comment:
Area Type:Urban
Traffic Volume:Minimum of 7500 to Maximum of 56400 Average Daily Traffic (ADT)
Average Traffic Volume:26200 Average Daily Traffic (ADT)
Time of Day:Not specified
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:2009 to 2009
Municipality:
State:notusa
Country:China
Type of Methodology Used:Regression cross-section
Sample Size (site-years):195 site-years
Other Details
Included in Highway Safety Manual?No
Date Added to Clearinghouse:Dec 02, 2013
Comments: