Publication:
Hub location, routing, and route dimensioning: strategic and tactical intermodal transportation hub network design

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Yaman Hande
Karaşan Oya Ekin

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NO

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Abstract

We propose a novel hub location model that jointly eliminates some of the traditional assumptions on the structure of the network and on the discount as a result of economies of scale in an effort to better reflect real-world logistics and transportation systems. Our model extends the hub literature in various facets: instead of connecting nonhub nodes directly to hub nodes, we consider routes with stopovers; instead of connecting pairs of hubs directly, we design routes that can visit several hub nodes; rather than dimensioning pairwise connections, we dimension routes of vehicles; and rather than working with a homogeneous fleet, we use intermodal transportation. Decisions pertinent to strategic and tactical hub location and transportation network design are concurrently made through the proposed optimization scheme. An effective branch-and-cut algorithm is developed to solve realistically sized problem instances and to provide managerial insights.

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The Institute for Operations Research and the Management Sciences (INFORMS)

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Operations research and management science, Transportation

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Transportation Science

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DOI

10.1287/trsc.2021.1070

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