CMF / CRF Details
CMF ID: 3064
Change difference between actual and ITE-recommended red clearance interval from X to Y seconds at diamond interchange ramps
Description:
Prior Condition: No Prior Condition(s)
Category: Intersection traffic control
Study: Developing Safety Performance Functions for Diamond Interchange Ramp Terminals, Wang et al., 2011
Star Quality Rating: | [View score details] |
Rating Points Total: | 75 |
Crash Modification Factor (CMF) | |
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Value: | |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Crash Reduction Factor (CRF) | |
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Value: | |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Applicability | |
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Crash Type: | Rear end |
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: | 35 |
Maximum Speed Limit: | 45 |
Speed Unit: | mph |
Speed Limit Comment: | |
Area Type: | |
Traffic Volume: | |
Average Traffic Volume: | |
Time of Day: | All |
If countermeasure is intersection-based | |
Intersection Type: | Roadway/roadway (interchange ramp terminal) |
Intersection Geometry: | |
Traffic Control: | Signalized |
Major Road Traffic Volume: | Minimum of 4200 to Maximum of 50850 Annual Average Daily Traffic (AADT) |
Minor Road Traffic Volume: | Minimum of 2000 to Maximum of 24800 Annual Average Daily Traffic (AADT) |
Average Major Road Volume : | |
Average Minor Road Volume : |
Development Details | |
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Date Range of Data Used: | 2004 to 2008 |
Municipality: | Madison |
State: | WI |
Country: | USA |
Type of Methodology Used: | Regression cross-section |
Other Details | |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Jul 15, 2011 |
Comments: |