CMF / CRF Details
CMF ID: 7275
Implement transit signal and lane priority (at transit-serviced locations)
Description:
Implement transit signal and lane priority (at transit-serviced locations)
Prior Condition: No priority measures
Category: Transit
Crash Modification Factor (CMF) |
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Value: | 0.836 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.061 |
Crash Reduction Factor (CRF) |
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Value: | 16.4 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 6.1 |
Applicability |
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Crash Type: | All |
Crash Severity: | All |
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: | Not specified |
If countermeasure is intersection-based |
Intersection Type: | |
Intersection Geometry: | Not specified |
Traffic Control: | Signalized |
Major Road Traffic Volume: | Minimum of 3000 to Maximum of 33000 Annual Average Daily Traffic (AADT) |
Minor Road Traffic Volume: | |
Average Major Road Volume : | |
Average Minor Road Volume : | |
Development Details |
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Date Range of Data Used: | 2000 to 2013 |
Municipality: | |
State: | notusa |
Country: | Australia |
Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
Sample Size (crashes): | 690 crashes before, 226 crashes after |
Sample Size (sites): | 52 sites before |
Other Details |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Nov 01, 2015 |
Comments: | |