Improved Alternative Route Planning

Paraskevopoulos, Andreas; Zaroliagis, Christos

doi:10.4230/OASIcs.ATMOS.2013.108

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Improved Alternative Route Planning

Authors Andreas Paraskevopoulos, Christos Zaroliagis

Part of: Volume: 13th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2013)
Part of: Series: Open Access Series in Informatics (OASIcs)
Part of: Conference: Symposium on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS)
License: Creative Commons Attribution 3.0 Unported license
Publication Date: 2013-09-05

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Document Identifiers

DOI: 10.4230/OASIcs.ATMOS.2013.108
URN: urn:nbn:de:0030-drops-42485

Subject Classification

Keywords

Alternative route
stretch factor
shortest path
non-overlapping path
penalty
plateau

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Abstract

We present improved methods for computing a set of alternative source-to-destination routes in road networks in the form of an alternative graph. The resulting alternative graphs are characterized by minimum path overlap, small stretch factor, as well as low size and complexity. Our approach improves upon a previous one by introducing a new pruning stage preceding any other heuristic method and by introducing a new filtering and fine-tuning of two existing methods. Our accompanying experimental study shows that the entire alternative graph can be computed pretty fast even in continental size networks.

Cite As Get BibTex

Andreas Paraskevopoulos and Christos Zaroliagis. Improved Alternative Route Planning. In 13th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems. Open Access Series in Informatics (OASIcs), Volume 33, pp. 108-122, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013) https://doi.org/10.4230/OASIcs.ATMOS.2013.108

Author Details

Andreas Paraskevopoulos

Christos Zaroliagis

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