CMF / CRF Details
CMF ID: 9123
Median treatment for ped/bike safety
Description: Install various median treatment: median fencing, sidewalk fencing, median brick planters, pedestrian islands
Prior Condition: No Prior Condition(s)
Category: Roadside
Study: Analyzing the Impact of Median Treatments on Pedestrian/Bicyclist Safety, Zhang et al., 2017
Star Quality Rating: | [View score details] |
Rating Points Total: | 80 |
Crash Modification Factor (CMF) | |
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Value: | 0.14 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.07 |
Crash Reduction Factor (CRF) | |
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Value: | 86 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 7 |
Applicability | |
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Crash Type: | Vehicle/bicycle,Vehicle/pedestrian |
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: | Divided by Median |
Minimum Speed Limit: | |
Maximum Speed Limit: | |
Speed Unit: | |
Speed Limit Comment: | |
Area Type: | Urban |
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: | 1998 to 2016 |
Municipality: | |
State: | MD |
Country: | USA |
Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
Sample Size (crashes): | 28 crashes after |
Sample Size (sites): | 18 sites before, 18 sites after |
Sample Size (site-years): | 54 site-years before |
Other Details | |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Jan 17, 2018 |
Comments: | For fatal ped/bike related crashes |