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An Analysis Procedure for Evaluating Pedestrian Scramble Construction  

Han, Yeo-Hui (서울시립대학교 교통공학과)
Kim, Yeong-Chan (서울시립대학교 교통공학과)
Yang, Chung-Heon (한국건설기술연구원 도로연구실)
Publication Information
Journal of Korean Society of Transportation / v.29, no.4, 2011 , pp. 73-83 More about this Journal
Abstract
Installation of pedestrian scramble is recently increasing due to pedestrian-oriented transportation policies issued in local governments. Pedestrian scramble is able to emphasize safety issues by reducing conflicts between pedestrians and vehicles when an exclusive pedestrian phase is employed. In spite of its positive property, pedestrian scramble has several negative points: an increase of a cycle length, a decrease of green time ratio, and an increase of total delay. This study delivers the impacts of pedestrian scrambles in terms of pedestrian convenience and traffic mobility. Authors analyzed the changes of traffic delays by comparing the installation and no installation of pedestrian scramble at an intersection by varying several variables: signal timings, traffic volumes, the number of lanes, and the number of pedestrian conflicts. The paper presents an analysis procedure as a guideline that assists practitioners in selection of appropriate intersections at where pedestrian scrambles are implemented.
Keywords
Pedestrian Scramble; Pedestrian Exclusive Phase; Permitted Left Turn; Vehicle Delay; Pedestrian Crossing Time;
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