CMF / CRF Details
CMF ID: 10601
Install a pedestrian hybrid beacon (PHB or HAWK)
Description:
Prior Condition: No Prior Condition(s)
Category: Pedestrians
Study: Evaluation of Pedestrian Hybrid Beacons on Arizona Highways, Fitzpatrick et al., 2019
Star Quality Rating: | [View score details] |
Rating Points Total: | 150 |
Crash Modification Factor (CMF) | |
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Value: | 0.818 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.043 |
Crash Reduction Factor (CRF) | |
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Value: | 18.2 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 4.3 |
Applicability | |
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Crash Type: | All |
Crash Severity: | All |
Roadway Types: | All |
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: | Urban and suburban |
Traffic Volume: | |
Average Traffic Volume: | |
Time of Day: | All |
If countermeasure is intersection-based | |
Intersection Type: | Roadway/roadway (not interchange related) |
Intersection Geometry: | 3-leg,4-leg,Not specified |
Traffic Control: | Not specified |
Major Road Traffic Volume: | Minimum of 5400 to Maximum of 47627 Annual Average Daily Traffic (AADT) |
Minor Road Traffic Volume: | |
Average Major Road Volume : | 23959 Annual Average Daily Traffic (AADT) |
Average Minor Road Volume : |
Development Details | |
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Date Range of Data Used: | 2007 to 2017 |
Municipality: | |
State: | AZ |
Country: | |
Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
Sample Size (crashes): | 1064 crashes before, 600 crashes after |
Sample Size (sites): | 52 sites before, 52 sites after |
Sample Size (site-years): | 342.33 site-years before, 225.33 site-years after |
Other Details | |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Dec 17, 2020 |
Comments: | The reference group consisted of 101 unsignalized and 56 signalized intersections. |