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Predictive modelling of running and dwell times in railway traffic
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, Faculty of Science & Engineering.
Delft University of Technology, Delft, The Netherlands .
2015 (English)In: Public Transport, ISSN 1866-749X, E-ISSN 1613-7159Article in journal (Refereed) Epub ahead of print
Abstract [en]

Accurate estimation of running and dwell times is important for all levels of planning and control of railway traffic. The availability of historical track occupation data with a high degree of granularity inspired a data-driven approach for estimating these process times. In this paper we present and compare the accuracy of several approaches to model running and dwell times in railway traffic. Three global predictive model approaches are presented based on advanced statistical learning techniques: LTS robust linear regression, regression trees and random forests. Also local models are presented for a particular train line, station or block section, based on LTS robust linear regression with some refinements. The models are validated and compared using a test set independent from the training set. The applicability of the proposed data-driven approach for real-time applications is proved by the accuracy of the obtained estimates and the low computation times. Overall, the local models perform best both in accuracy and computation time.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2015.
National Category
Transport Systems and Logistics
Identifiers
URN: urn:nbn:se:liu:diva-119745DOI: 10.1007/s12469-015-0106-7OAI: oai:DiVA.org:liu-119745DiVA: diva2:826680
Available from: 2015-06-25 Created: 2015-06-25 Last updated: 2015-08-13Bibliographically approved

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Kecman, Pavle
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Communications and Transport SystemsFaculty of Science & Engineering
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ReferencesLink to record
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