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Traffic Management Heuristics for Bidirectional Segments on Double-Track Railway Lines

In: Operations Research Proceedings 2017

Author

Listed:
  • Norman Weik

    (RWTH Aachen University)

  • Stephan Zieger

    (RWTH Aachen University)

  • Nils Nießen

    (RWTH Aachen University)

Abstract

In this paper traffic management strategies for disruption-caused inaccessibility of one track on double-track railway lines are analyzed. Building on previous results for polling systems with $$k_i$$ -limited service discipline and non-zero switchover times heuristic rules for optimally switching the orientation of the remaining track are investigated. QoS-standards enforcing delay constraints for both orientations as well as asymmetric traffic load, e.g. resulting from differing block length in both directions, are accounted for. For a system without train priorities analytical approximations as well as simulation results for the optimal switching parameter are compared. The analysis is extended to priority systems in a simulation approach. The performance of the heuristic is tested in a case study by comparing it to the optimal solution obtained by solving the train scheduling problem for the bidirectional line segment.

Suggested Citation

  • Norman Weik & Stephan Zieger & Nils Nießen, 2018. "Traffic Management Heuristics for Bidirectional Segments on Double-Track Railway Lines," Operations Research Proceedings, in: Natalia Kliewer & Jan Fabian Ehmke & Ralf Borndörfer (ed.), Operations Research Proceedings 2017, pages 729-735, Springer.
    • Handle: RePEc:spr:oprchp:978-3-319-89920-6_97
    DOI: 10.1007/978-3-319-89920-6_97
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