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A Study on U-Turn Location and Length Estimation at Signalized Intersection  

Lee, Jung-Hwan (전남대학교 토목공학과)
Park, Je-Jin (한국도로공사 도로교통기술원)
Ha, Tae-Jun (전남대학교 토목공학과)
Publication Information
Journal of Korean Society of Transportation / v.26, no.1, 2008 , pp. 203-213 More about this Journal
Abstract
U-Turn offers convenience to drivers. U-Turn increases efficiency of traffic flow. But Standard of U-Turn is not clear. It caused many problems of traffic flow and traffic safety. This study estimate length between U-Turn location with front intersection based on stopping sight distance and left-turn vehicle's queue length. Variables are used traffic volume and operation speed. This study Analysis of U-Turn vehicle's behaviors and classification of conflict form by investigation. U-Turn length estimating based on relationship analysis between conflict with U-Turn length. Variables are used lane changing angles and operation speed. This study estimates length between U-Turn location with back intersection based on gap acceptance theory. Variables are used traffic volume, operation speed and lane changing angles. So, U-Turn location and length estimated considering traffic flow and traffic safety.
Keywords
U-Turn; Queue; Conflict; Gap Acceptance; Signalized Intersection; Stopping Sight Distance;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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