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Traffic Signal Control Strategy for Passive Tram Signal Priority on City Arterial  

Jeong, Young-Je (서울시립대학교 교통공학과)
Kim, Young-Chan (서울시립대학교 교통공학과)
Kim, Dae-Ho (경기개발연구원 교통정책연구부)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.10, no.1, 2011 , pp. 27-41 More about this Journal
Abstract
This research proposes new tram signal coordination model, called MAXBAND MILP-Tram for a passive tram signal priority strategy. The proposed model was formulated based on the MAXBAND model that was a traditional arterial signal optimization model. The model could calculate the bandwidth solutions for both general-purpose-lane traffic and median-tram-lane traffic. Lower progression speed are applied for the tram traffic considering lower running speed and dwell time at the stations. A phase sequence procedure determines the green times and left-turn phase sequences for tram traffic in median tram lane. To estimate the performance of the MILP-Tram model, the control delay of trams were estimated using the micro simulation model, VISSIM. The analysis results showed 57 percent decrease of the tram compared to the conventional signal timing model. The delay for car, however, increased 18 percent. The sensitivity analysis indicated that the passive tram signal priority strategy using the offset and phase sequence optimization was effective in reducing the person delay under the congested traffic condition.
Keywords
MAXBAND Model;
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