CMF / CRF Details
CMF ID: 4012
Convert frontage road from two-way operation to one-way operation
Description: Convert frontage road from two-way operation to one-way operation
Prior Condition: frontage road with two-way operation
Category: Access management
Study: Safety and Economic Impacts of Converting Two-way Frontage Roads to One-way: Methodology and Findings, Eisele et al., 2011
Star Quality Rating: | [View score details] |
Rating Points Total: | 35 |
Crash Modification Factor (CMF) | |
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Value: | 0.06 |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Crash Reduction Factor (CRF) | |
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Value: | 94 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Applicability | |
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Crash Type: | Angle,Head on,Left turn |
Crash Severity: | K (fatal),A (serious injury),B (minor injury),C (possible injury) |
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: | Not specified |
Traffic Volume: | |
Average Traffic Volume: | 2996 Average Daily Traffic (ADT) |
Time of Day: | All |
If countermeasure is intersection-based | |
Intersection Type: | |
Intersection Geometry: | |
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: | 1998 to 2007 |
Municipality: | |
State: | TX |
Country: | U.S.A. |
Type of Methodology Used: | Simple before/after |
Sample Size (crashes): | 40 crashes before, 2 crashes after |