CMF / CRF Details
CMF ID: 6131
Install cable median barrier
Description:
Install cable median barrier
Prior Condition: No cable median barrier installed
Category: Roadside
Crash Modification Factor (CMF) |
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Value: | 0.63 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.36 |
Crash Reduction Factor (CRF) |
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Value: | 38 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 36 |
Applicability |
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Crash Type: | Cross median |
Crash Severity: | B (minor injury),C (possible injury) |
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: | Minimum of 7000 to Maximum of 13500 Annual Average Daily Traffic (AADT) |
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: | 2006 to 2010 |
Municipality: | |
State: | WY |
Country: | USA |
Type of Methodology Used: | Simple before/after |
Sample Size (crashes): | 8 crashes before, 5 crashes after |
Sample Size (sites): | 5 sites before, 5 sites after |
Sample Size (site-years): | 10 site-years before, 10 site-years after |
Sample Size (miles): | 103 miles before, 103 miles after |
Sample Size (miles): | 206 mile-years before, 206 mile-years after |
Other Details |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Mar 11, 2015 |
Comments: | B + C injuries. |