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

Norman Weik (), Stephan Zieger and Nils Nießen
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Norman Weik: RWTH Aachen University
Stephan Zieger: RWTH Aachen University
Nils Nießen: RWTH Aachen University

A chapter in Operations Research Proceedings 2017, 2018, pp 729-735 from Springer

Abstract: 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.

Keywords: Transportation; railway; Disruption; Polling; Control; Delay; Priorities; Constrained optimization (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:spr:oprchp:978-3-319-89920-6_97

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DOI: 10.1007/978-3-319-89920-6_97

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