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http://dx.doi.org/10.12815/kits.2014.13.1.015

Optimal Signal Times for Active Bus Signal Priority on Median Bus Lane Using Deterministic Delay Model  

Kim, Tae-Woon (한국건설기술연구원 도로교통정보사업단)
Jeong, Young-Je (도로교통공단)
Kim, Young-Chan (서울시립대학교 교통공학과)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.13, no.1, 2014 , pp. 15-25 More about this Journal
Abstract
Bus signal priority is a name for various techniques to speed up bus public transport services at intersections with traffic signals. In this study propose methodology to optimize signal times for Early green, Green extension out of the active bus signal priority using deterministic delay model in isolated intersection on median bus lane. Fluctuation is found in the vehicle delay and person delay in the event that using this methodology redistributed to green time and checking slack green time is correct value by sensitivity analysis. As a result of the study, car delay is increased a little and person delay is decreased. As a result of slack green time sensitivity, delay is not much in it if variation of slack green time under 30%. But this methodology effectiveness is under claimed capacity if variation of slack green time over 30%.
Keywords
bus signal priority; active priority; early green; green extension; deterministic delay model;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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