CMF / CRF Details
CMF ID: 4223
Convert existing barrier tollbooths to open road tolling (ORT) facility
Description: Existing barrier tollbooth facility converted to express lanes capable of collecting tolls at high-speeds (open road tolling).
Prior Condition: No Prior Condition(s)
Category: Advanced technology and ITS
Study: Effects of the Open Road Tolling on Safety Performance of Freeway Mainline Toll Plazas, Yang, Ozbay, and Bartin, 2012
Image: View the countermeasure image.
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 50 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.76 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 0.024 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 24 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 2.4 |
| Applicability | |
|---|---|
| Crash Type: | Not specified |
| Crash Severity: | Not specified |
| 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: | |
| 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: | |
| 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: | 2001 to 2009 |
| Municipality: | |
| State: | NJ |
| Country: | United States |
| Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
| Sample Size (crashes): | 936 crashes before, 1205 crashes after |
| Other Details | |
|---|---|
| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Nov 01, 2012 |
| Comments: | |
