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A Study on Effectiveness and Warrant Analysis for Two-Way Left-Turn Lanes  

Bae, Gwang-Su (도로교통안전관리공단)
Sim, Gwan-Bo (도로교통안전관리공단)
Song, Chang-Yong (도로교통안전관리공단)
Publication Information
Journal of Korean Society of Transportation / v.25, no.6, 2007 , pp. 65-77 More about this Journal
Abstract
A two-way left-turn lane is a continuous center left-turn lane that could be used as a deceleration and refuge area for both directions of left-turning vehicles. TWLTL's have been used effectively for access management treatment when applied to a highway that has wide-spread left turning traffic demand and a high-density of side streets. In this study, an effective analysis was carried out using a computer-based simulation tool, VISSIM, in order to evaluate performance and safety effects of TWLTLs and develop a warrant. In conclusion, the results indicated that there was a remarkable decrease of through and left-turning vehicle travel time delay on the main road and improvement of traffic safety.
Keywords
TWLTL; Travel Time Delay; TTC(Time To Collision); ADT; Multi-Path Entrance; Warrant;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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