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http://dx.doi.org/10.7470/jkst.2012.30.1.125

A Model and Algorithm for Optimizing the Location of Transit Transfer Centers  

Yoo, Gyeong-Sang (Department of Civil and Environmental Engineering, Seoul National University)
Publication Information
Journal of Korean Society of Transportation / v.30, no.1, 2012 , pp. 125-133 More about this Journal
Abstract
This paper deals with the passenger transfer trips counted from smart bus-card data from Seoul transit network to understand the current operational condition of the system. Objective of this study is to relocate the location of the transit transfer centers. It delivers a bi-level programing model. The upper model is a linear 0-1 binary integer program having the objective of total travel cost minimization constrained by the number of transfer centers and the total construction budget. The lower model is an user equilibrium assignment model determining the passengers' route choice according to the transfer center locations. The proposed bi-level programming model was tested in an example network. The result showed that the proposed was able to find the optimal solution.
Keywords
Public Transportation; Transfer Trip; Transfer Center Location; Bi-Level Model; Smart Card; User Equilibrium;
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