CMF / CRF Details
CMF ID: 5526
Install a traffic signal
Description:
Prior Condition: Stop controlled intersection
Category: Intersection traffic control
Study: Comparison of Safety Evaluation Approaches for Intersection Signalization in Florida, Wang and Abdel-Aty, 2014
Star Quality Rating: | [View score details] |
Rating Points Total: | 65 |
Crash Modification Factor (CMF) | |
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Value: | 0.604 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.125 |
Crash Reduction Factor (CRF) | |
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Value: | 39.6 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 12.5 |
Applicability | |
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Crash Type: | All |
Crash Severity: | K (fatal),A (serious injury),B (minor injury),C (possible injury) |
Roadway Types: | Not specified |
Street Type: | |
Minimum Number of Lanes: | 2 |
Maximum Number of Lanes: | 4 |
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: | Not specified |
Traffic Volume: | |
Average Traffic Volume: | |
Time of Day: | Not specified |
If countermeasure is intersection-based | |
Intersection Type: | Roadway/roadway (not interchange related) |
Intersection Geometry: | 3-leg,4-leg |
Traffic Control: | Stop-controlled |
Major Road Traffic Volume: | Minimum of 0 to Maximum of 10000 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: | 2004 to 2009 |
Municipality: | |
State: | FL |
Country: | |
Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
Other Details | |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Aug 12, 2014 |
Comments: | CMF applies to intersections with major road AADT <10,000 |