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http://dx.doi.org/10.7782/JKSR.2015.18.1.25

Diagnosis of Local Traffic Controller for Effective Operation of Trams at Signalized Intersection  

Kim, Jin-Tae (Department of Transportation System Engineering, Graduate School of Transportation, Korea National University of Transportation)
Publication Information
Journal of the Korean Society for Railway / v.18, no.1, 2015 , pp. 25-32 More about this Journal
Abstract
It has been subject to question whether a conventional traffic signal controller can support efficient operation at grade intersections in which vehicles and tram lines cross concurrently. This study proposes a list of functional requirements for a traffic signal controller to support effective operation of trams at such an intersection. The considered details includes the combinations of geometric conditions at which vehicle, bus, and tram lines are aligned, the types of exclusive tram signals, and the combinations of various signal phases, including exclusive tram phases, which are currently undefined in the nation. The results suggest that the controller should be capable of dealing with the NEMA standard overlap relays and a quadruple-ring phase representation scheme.
Keywords
Trams; Signalized intersection; Traffic signals; Overlap phases; Phase representation scheme;
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