CMF / CRF Details

CMF ID: 3072

Change number of traffic signal cycles per hour on arterial with signal coordination from X to Y

Description:

Prior Condition: No Prior Condition(s)

Category: Intersection traffic control

Study: Safety Effect of Arterial Signal Coordination, Wei and Tarko, 2011

 
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Crash Modification Factor (CMF)
Value: Equation
Adjusted Standard Error:
Unadjusted Standard Error:
Crash Reduction Factor (CRF)
Value: Equation
Adjusted Standard Error:
Unadjusted Standard Error:
Applicability
Crash Type: Rear end
Crash Severity: All
Roadway Types: All
Number of Lanes: 1 to 3
Road Division Type:
Speed Limit: 30-50 mph
Area Type: Urban and suburban
Traffic Volume:
Average Traffic Volume:
Time of Day: All
If countermeasure is intersection-based
Intersection Type: Roadway/roadway (not interchange related)
Intersection Geometry:
Traffic Control: Signalized
Major Road Traffic Volume: Maximum of 1840 Vehicles Per Hour
Minor Road Traffic Volume:
Average Major Road Volume :
Average Minor Road Volume :
Development Details
Date Range of Data Used: 2003 to 2006
Municipality:
State: IN
Country: USA
Type of Methodology Used: Regression cross-section
Other Details
Included in Highway Safety Manual? No
Date Added to Clearinghouse: Jul-15-2011
Comments: