The p-hub Model with Hub-catchment Areas, Existing Hubs, and Simulation: A Case Study of Serbian Intermodal Terminals
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This paper addresses the problem of optimally locating intermodal freight terminals in Serbia. To solve this problem and determine the effects of the resulting scenarios, two modeling approaches were combined. The first approach is based on multiple-assignment hub-network design, and the second is based on simulation. The multiple-assignment p-hub network location model was used to determine the optimal location of intermodal terminals. Simulation was used as a tool to estimate intermodal transport flow volumes, due to the unreliability and unavailability of specific statistical data, and as a method for quantitatively analyzing the economic, time, and environmental effects of different scenarios of intermodal terminal development. The results presented here represent a summary, with some extension, of the research realized in the IMOD-X project (Intermodal Solutions for Competitive Transport in Serbia).
KeywordsIntermodal freight terminals location p-hub location model Simulation Case study
The authors gratefully acknowledge the insightful comments of NETS Location Area Editor, and two anonymous reviewers which significantly improved the paper. This research was conducted as part of a one and a half year project (2005–2006): Intermodal Solutions for Competitive Transport in Serbia (IMOD-X), created to evaluate the possibilities of organizing a competitive intermodal transport services in Serbia. The project was a part of the bilateral assistance program between Norway and Serbia and was fully financed by the Norwegian Government.
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