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A combined simulation-optimization approach for minimizing travel time and delays in railway timetables
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Transport planning.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Transport planning.ORCID iD: 0000-0003-1597-6738
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Transport planning.ORCID iD: 0000-0002-3687-7758
2019 (English)In: Transportation Research Part B: Methodological, ISSN 0191-2615, E-ISSN 1879-2367, Vol. 126, p. 192-212Article in journal (Refereed) Published
Abstract [en]

Minimal travel time and maximal reliability are two of the most important properties of a railway transportation service. This paper considers the problem of finding a timetable for a given set of departures that minimizes the weighted sum of scheduled travel time and expected delay, thereby capturing these two important socio-economic properties of a timetable. To accurately represent the complex secondary delays in operational railway traffic, an approach combining microscopic simulation and macroscopic timetable optimization is proposed. To predict the expected delay in the macroscopic timetable, a surrogate function is formulated, as well as a subproblem to calibrate the parameters in the model. In a set of computational experiments, the approach increased the socio-economic benefit by 2-5% and improved the punctuality by 8-25%.

Place, publisher, year, edition, pages
PERGAMON-ELSEVIER SCIENCE LTD , 2019. Vol. 126, p. 192-212
Keywords [en]
Railroad, Robustness, Optimization, Simulation, Punctuality
National Category
Transport Systems and Logistics
Identifiers
URN: urn:nbn:se:kth:diva-257557DOI: 10.1016/j.trb.2019.04.003ISI: 000478708800009Scopus ID: 2-s2.0-85067307580OAI: oai:DiVA.org:kth-257557DiVA, id: diva2:1353794
Note

QC 20190924

Available from: 2019-09-24 Created: 2019-09-24 Last updated: 2019-10-16Bibliographically approved

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Bohlin, MarkusFröidh, Oskar

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  • apa
  • harvard1
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More styles
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  • de-DE
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Output format
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