CMF / CRF Details
CMF ID: 8145
Convert traditional mainline toll plaza to an all-electric toll collection system
Description:
Prior Condition: Traditional mainline toll plaza
Category: Roadway
Study: Safety assessement of the conversion of toll plazas to all-electric toll collection system, Abuzwidah and Abdel-Aty, 2015
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 100 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.26 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 0.04 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 74 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 4 |
| Applicability | |
|---|---|
| Crash Type: | Other |
| Crash Severity: | All |
| Roadway Types: | Principal Arterial Other Freeways and Expressways |
| 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: | 60 |
| Maximum Speed Limit: | 65 |
| Speed Unit: | mph |
| Speed Limit Comment: | |
| Area Type: | |
| Traffic Volume: | Minimum of 79733 to Maximum of 93576 Annual Average Daily Traffic (AADT) |
| Average Traffic Volume: | |
| Time of Day: | |
| 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 | |
|---|---|
| Date Range of Data Used: | 2008 to 2014 |
| Municipality: | |
| State: | FL |
| Country: | |
| Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
| Sample Size (sites): | 16 sites before, 16 sites after |
