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) | |
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Value: | 0.76 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.024 |
Crash Reduction Factor (CRF) | |
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Value: | 24 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 2.4 |
Applicability | |
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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 | |
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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 | |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Nov 01, 2012 |
Comments: |