Railway traffic disturbance management--An experimental analysis of disturbance complexity, management objectives and limitations in planning horizon

Johanna Törnquist

Transportation Research Part A: Policy and Practice, 2007, vol. 41, issue 3, 249-266

Abstract: With the increasing traffic volumes in European railway networks and reports on capacity deficiencies that cause reliability problems, the need for efficient disturbance management becomes evident. This paper presents a heuristic approach for railway traffic re-scheduling during disturbances and a performance evaluation for various disturbance settings using data for a large part of the Swedish railway network that currently experiences capacity deficiencies. The significance of applying certain re-scheduling objectives and their correlation with performance measures are also investigated. The analysis shows e.g. that a minimisation of accumulated delays has a tendency to delay more trains than a minimisation of total final delay or total delay costs. An experimental study of how the choice of planning horizon in the re-scheduling process affects the network on longer-term is finally presented. The results indicate that solutions which are good on longer-term can be achieved despite the use of a limited planning horizon. A 60Â min long planning horizon was sufficient for the scenarios in the experiments.

Date: 2007
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