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Title	EVALUATION OF CHANGE INTERVAL TREATMENTS FOR TRAFFIC SIGNALS AT HIGH-SPEED INTERSECTIONS
Accession No	00714527
Authors	Agent, K R ; Pigman, J G
Corp. Authors / Publisher	Kentucky Department of Transportation
Publication Date	19941200
Description	34 p.
Languages	English
Abstract	A large number of traffic accidents at signalized intersections on high-speed roadways occur during or just after the change interval. The green extension system (GES) has been used extensively in Kentucky as a method of alleviating the problem related to the dilemma zone. An alternate method of handling this problem involves warning drivers that the signal indication is about to change from green to red using advance warning flashers (AWF). The objectives of the study were: 1) to evaluate the alternative methods (GES or AWF) which can be used to lessen the problem associated with the dilemma zone which occurs at traffic signals, specifically on high-speed roadways and 2) to determine conditions where use of the AWF may be needed.
Supplemental Information	See also PB84-154533, PB86-209103, PB91-229344 and PB91-100982. Sponsored by Kentucky Transportation Cabinet, Frankfort.
TRT Terms	Accident causes ; Green interval (Traffic signal cycle) ; Intersections ; Speed control ; Speeding ; Traffic signals ; Warning signals
Other Terms	Green portion (Signal cycle); High speed caused accidents; Intersection speed control
Subject Areas	H54 OPERATIONS AND TRAFFIC CONTROL; I73 Traffic Control
Report Number	KTC-94-26
Availability	National Technical Information Service Order Number: PB95-182796-WTS
TRIS Files	HRIS
Database	TRIS Online

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