CMF / CRF Details
CMF ID: 11169
Install rectangular rapid flashing beacon (RRFB)
Description: Install rectangular rapid flashing beacon (RRFB)
Prior Condition: without RRFB installation
Category: Pedestrians
Study: Safety Effectiveness of Rectangular Rapid Flashing Beacons (RRFB) Pedestrian Enhancement, Amrita Goswamy, Mohamed Abdel-Aty, and Nada Mahmoud, 2022
Star Quality Rating: | [View score details] |
Rating Points Total: | 115 |
Crash Modification Factor (CMF) | |
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Value: | 0.27 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.029 |
Crash Reduction Factor (CRF) | |
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Value: | 73 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 2.9 |
Applicability | |
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Crash Type: | Vehicle/pedestrian |
Crash Severity: | A (serious injury),B (minor injury),C (possible injury) |
Roadway Types: | Not specified |
Street Type: | Not Specified |
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: | All |
Traffic Volume: | |
Average Traffic Volume: | |
Time of Day: | Not specified |
If countermeasure is intersection-based | |
Intersection Type: | Roadway/pedestrian crossing (eg, midblock crossing) |
Intersection Geometry: | Not specified |
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: | 2012 to 2019 |
Municipality: | |
State: | FL |
Country: | |
Type of Methodology Used: |
Other Details | |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Aug 25, 2022 |
Comments: | It is the CMF for injury crashes in pedestrian crashes. |