Study Details

Study Title: A Rational Method for Setting All-Red Clearance Intervals

Authors: Fitch et al.

Publication Date:FEB, 2011

Abstract: This article describes a policy and procedure for setting the all-red clearance interval at Traffic signals. The policy described is shown to be based on physical and legal laws, observed driver behavior, and previously developed analyses describing the dilemma zone concept of driver behavior.

Study Citation: Fitch, J.W, Shafizadeh, K., Zhao, W., and Crowl, W.D., "A Rational Method for Setting All-Red Clearance Intervals." ITE Journal, Vol. 81, No. 2, Washington, D.C., (2011) pp. 16-20.

CMFs Associated With This Study

Category: Intersection traffic control

Countermeasure: Adjust All-Red Clearance Interval

CMF CRF(%)QualityCrash TypeCrash SeverityRoadway TypeArea Type
0.8201 StarAngle,Head on,SideswipeAllNot SpecifiedNot specified
0.6401 StarAngle,Head on,SideswipeK,A,B,CNot Specified