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Quantifying railway timetable robustness in critical points
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, The Institute of Technology. (Trafiksystem, Traffic Systems)
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, The Institute of Technology. (Trafiksystem, Traffic Systems)
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, The Institute of Technology. Blekinge Institute of Technology, Department of Computer Science and Engineering, Karlskrona, Sweden . (Trafiksystem, Traffic Systems)
2013 (English)In: Journal of Rail Transport Planning & Management, ISSN 2210-9706, E-ISSN 2210-9714, Vol. 3, no 3, 95-110 p.Article in journal (Refereed) Published
Abstract [en]

Several European railway traffic networks experience high capacity consumption during large parts of the day resulting in delay-sensitive traffic system with insufficient robustness. One fundamental challenge is therefore to assess the robustness and find strategies to decrease the sensitivity to disruptions. Accurate robustness measures are needed to determine if a timetable is sufficiently robust and suggest where improvements should be made.

Existing robustness measures are useful when comparing different timetables with respect to robustness. They are, however, not as useful for suggesting precisely where and how robustness should be increased. In this paper, we propose a new robustness measure that incorporates the concept of critical points. This concept can be used in the practical timetabling process to find weaknesses in a timetable and to provide suggestions for improvements. In order to quantitatively assess how crucial a critical point may be, we have defined the measure Robustness in Critical Points (RCP). In this paper, we present results from an experimental study where a benchmark of several measures as well as RCP has been done. The results demonstrate the relevance of the concept of critical points and RCP, and how it contributes to the set of already defined robustness measures.

Place, publisher, year, edition, pages
Elsevier, 2013. Vol. 3, no 3, 95-110 p.
Keyword [en]
Delay management; Railway traffic; Robustness measures; Timetabling
National Category
Transport Systems and Logistics
Identifiers
URN: urn:nbn:se:liu:diva-106703DOI: 10.1016/j.jrtpm.2013.12.002OAI: oai:DiVA.org:liu-106703DiVA: diva2:717992
Available from: 2014-05-19 Created: 2014-05-19 Last updated: 2017-12-05Bibliographically approved

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Andersson, Emma V.Peterson, AndersTörnquist Krasemann, Johanna

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