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Main Title: Optimizing the Cargo Express Service of Swiss Federal Railways
Author(s): Ceselli, Alberto
Gatto, Michael
Lübbecke, Marco E.
Nunkesser, Marc
Schilling, Heiko
Type: Research Paper
URI: https://depositonce.tu-berlin.de/handle/11303/15584
http://dx.doi.org/10.14279/depositonce-14357
License: http://rightsstatements.org/vocab/InC/1.0/
Abstract: The Cargo Express service of Swiss Federal Railways (SBB Cargo) offers fast overnight transportation of goods between selected train stations in Switzerland and is currently operated as a two-hub and spoke system. We present three different models for planning the operation of this service as a whole. All models capture the underlying optimization problem with a high level of detail: Traffic routing, train routing, make-up, scheduling, and locomotive assignment are all addressed. At the same time we respect hard constraints like tight service time windows, and train and yard capacities. To the best of our knowledge, such an integration of planning steps into one exact approach has not been successfully attempted before. We describe our approaches for obtaining provably good quality solutions. Our algorithmic techniques involve branch-and-cut, branch-and-price as well as problem specific exact and heuristic acceleration methods. We conclude our study with computational results on realistic data.
Subject(s): column generation
branch-and-price
mixed integer programming
freight transport
Issue Date: 2006
Date Available: 17-Dec-2021
Language Code: en
DDC Class: 510 Mathematik
Series: Preprint-Reihe des Instituts für Mathematik, Technische Universität Berlin
Series Number: 2006, 28
ISSN: 2197-8085
TU Affiliation(s): Fak. 2 Mathematik und Naturwissenschaften » Inst. Mathematik
Appears in Collections:Technische Universität Berlin » Publications

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