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(%) | Quality | Crash Type | Crash Severity | Roadway Type | Area Type |
|---|---|---|---|---|---|---|
| 0.8 | 20 |  | Angle,Head on,Sideswipe | All | Not Specified | Not specified |
| 0.6 | 40 | | Angle,Head on,Sideswipe | K,A,B,C | Not Specified |
