CMF / CRF Details

CMF ID: 11577

Install cable median barrier

Description:

Install cable median barrier

Prior Condition:  Cable median barrier (CMB) not present

Category: Roadside

Study: Safety Effectiveness of Cable Median Barriers in Louisiana, Mitran et al., 2023

 
Star Quality Rating:3 Stars  [View score details]
Rating Points Total:95
Crash Modification Factor (CMF)
Value:1.857
Adjusted Standard Error:
Unadjusted Standard Error:0.122
Crash Reduction Factor (CRF)
Value:-85.7  (This value indicates an increase in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:12.2
Applicability
Crash Type:Other
Crash Severity:All
Roadway Types:Principal Arterial Interstate, Principal Arterial Other Freeways and Expressways
Street Type:Two-Way
Minimum Number of Lanes:
Maximum Number of Lanes:
Number of Lanes Direction:
Number of Lanes Comment:
Crash Weather:All
Road Division Type:Divided by Median
Minimum Speed Limit:
Maximum Speed Limit:
Speed Unit:
Speed Limit Comment:
Area Type:All
Traffic Volume:
Average Traffic Volume:
Time of Day:All
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:2005 to 2020
Municipality:
State:LA
Country:USA
Type of Methodology Used:
Other Details
Included in Highway Safety Manual?No
Date Added to Clearinghouse:Sep 23, 2024
Comments:This CMF is for Median-Related crashes. CMF is presented in Table 17 in the report.