CMF / CRF Details
CMF ID: 1960
Install cable median barrier (low tension)
Description:
Prior Condition: Depressed 50+ ft median without barrier.
Category: Roadside
Study: Safety Impact of Cable Barriers on Rural Interstates, Villwock et al., 2009
Star Quality Rating: | [View score details] |
Rating Points Total: | 80 |
Crash Modification Factor (CMF) | |
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Value: | 1.87 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.81 |
Crash Reduction Factor (CRF) | |
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Value: | -87 (This value indicates an increase in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 81 |
Applicability | |
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Crash Type: | Fixed object,Run off road,Single vehicle |
Crash Severity: | All |
Roadway Types: | Principal Arterial Interstate |
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: | Rural |
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: | 1993 to 2005 |
Municipality: | |
State: | IN |
Country: | |
Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
Other Details | |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Dec 01, 2009 |
Comments: |