A comparison of two exact methods for passenger railway rolling stock (re)scheduling

J.T. Haahr, J.C. Wagenaar, L.P. Veelenturf, L.G. Kroon

Research output: Working paperAcademic

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The assignment of rolling stock units to timetable services in passenger railways is an important optimization problem that has been addressed by many papers in different forms. Solution approaches have been proposed for different planning phases: strategic, tactical, and also operational planning. In this paper we compare two approaches within two operational planning phases (i.e. the daily and the real time planning). The first exact approach is based on a Mixed Integer Linear Program (MILP) which is solved using CPLEX. The second approach is an extension of a recently introduced column generation approach. In this paper, we benchmark the performance of the methods on networks of two countries (Denmark and The Netherlands). We use the approaches to make daily schedules and we test their real time applicability by performing tests with different disruption scenarios. The computational experiments demonstrate that both models can be used on both networks and are able to find optimal rolling stock circulations in the different planning phases. Furthermore, the results show that both approaches are sufficiently fast to be used in a real-time setting.
Original languageEnglish
Place of PublicationRotterdam, The Netherlands
PublisherErasmus Research Institute of Management
Publication statusPublished - 2015

Publication series

NameERIM Report Series Research in Management


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