CMF / CRF Details
CMF ID: 11648
Convert a conventional signalized intersection to a continuous flow intersection (CFI)
Description:
Prior Condition: Conventional signalized intersection
Category: Intersection geometry
Study: Development of a Crash Modification Factor for Conversion of a Conventional Signalized Intersection to a CFI, Cunningham et al., 2022
Star Quality Rating: | [View score details] |
Rating Points Total: | 120 |
Crash Modification Factor (CMF) | |
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Value: | 1.279 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.096 |
Crash Reduction Factor (CRF) | |
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Value: | -27.9 (This value indicates an increase in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 9.6 |
Applicability | |
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Crash Type: | Rear end |
Crash Severity: | All |
Roadway Types: | All |
Street Type: | Two-Way |
Minimum Number of Lanes: | |
Maximum Number of Lanes: | |
Number of Lanes Direction: | |
Number of Lanes Comment: | |
Crash Weather: | All |
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: | All |
If countermeasure is intersection-based | |
Intersection Type: | Roadway/roadway (not interchange related) |
Intersection Geometry: | 3-leg, 4-leg |
Traffic Control: | Signalized |
Major Road Traffic Volume: | Minimum of 21740 to Maximum of 64000 Annual Average Daily Traffic (AADT) |
Minor Road Traffic Volume: | Minimum of 7441 to Maximum of 39220 Annual Average Daily Traffic (AADT) |
Average Major Road Volume : | 41010 Annual Average Daily Traffic (AADT) |
Average Minor Road Volume : | 22368 Annual Average Daily Traffic (AADT) |
Development Details | |
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Date Range of Data Used: | 1995 to 2020 |
Municipality: | |
State: | CO, GA, MS, OH, TX, UT |
Country: | USA |
Type of Methodology Used: |