Flexible Services and Manufacturing Journal

, Volume 26, Issue 4, pp 565–584 | Cite as

Scheduling movements in the network of an express service provider

  • Ilse LouwerseEmail author
  • Jos Mijnarends
  • Ineke Meuffels
  • Dennis Huisman
  • Hein Fleuren


Express service providers manage shipments from senders to receivers under strict service level agreements. Such shipments are usually not sufficient to justify a single transportation, so it is preferred to maximize consolidation of these shipments to reduce cost. The consolidation is organized via depots and hubs: depots are local sorting centers that take care of the collection and delivery of the parcels at the customers, and hubs are used to consolidate the transportation between the depots. A single transportation between two locations, carried out by a certain vehicle at a specific time, is defined as a movement. In this paper, we address the problem of scheduling all movements in an express network at minimum cost. Our approach allows to impose restrictions on the number of arriving/departing movements at the hubs so that sufficient handling capacity is ensured. As the movement scheduling problem is complex, it is divided into two parts: one part concerns the movements between depots and hubs; the other part considers the movements between the hubs. We use a column generation approach and a local search algorithm to solve these two subproblems, respectively. Computational experiments show that by using this approach the total transportation costs are decreased.


Express service provider Movement scheduling Integer programming Column generation Local search 


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Ilse Louwerse
    • 1
    Email author
  • Jos Mijnarends
    • 1
  • Ineke Meuffels
    • 2
  • Dennis Huisman
    • 1
  • Hein Fleuren
    • 2
  1. 1.Erasmus University RotterdamRotterdamThe Netherlands
  2. 2.Tilburg UniversityTilburgThe Netherlands

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