CMF / CRF Details
CMF ID: 2824
Install median barrier (cable)
Description:
Prior Condition: No Prior Condition(s)
Category: Roadside
Study: Performance Evaluation of Cable Median Barrier Systems in Texas, Cooner et al., 2009
Star Quality Rating: | [View score details] |
Rating Points Total: | 30 |
Crash Modification Factor (CMF) | |
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Value: | 0.07 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.07 |
Crash Reduction Factor (CRF) | |
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Value: | 93 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 7.4 |
Applicability | |
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Crash Type: | All |
Crash Severity: | K (fatal) |
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: | |
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 | |
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Date Range of Data Used: | 2004 to 2007 |
Municipality: | |
State: | TX |
Country: | USA |
Type of Methodology Used: | Simple before/after |
Sample Size (crashes): | 14 crashes before, 1 crashes after |
Other Details | |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Mar 21, 2011 |
Comments: |