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Optimizing Traffic Signal Settings for Public Transport Priority

Authors Robert Scheffler, Martin Strehler

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Robert Scheffler
Martin Strehler

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Robert Scheffler and Martin Strehler. Optimizing Traffic Signal Settings for Public Transport Priority. In 17th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2017). Open Access Series in Informatics (OASIcs), Volume 59, pp. 9:1-9:15, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017) https://doi.org/10.4230/OASIcs.ATMOS.2017.9

Abstract

In order to promote public transport many municipalities use traffic signal control with a priority for buses or trams. In this paper, we address the problem of finding optimal passive transit signal priority settings. Building on a cyclically time-expanded network model for the combined traffic assignment traffic signal coordination problem, we introduce a suitable queuing model and several modifications to model public transport vehicles appropriately. We evaluate the applicability of this approach by computing and analyzing optimal solutions for several instances of a real-world scenario.

Subject Classification

Keywords
  • transit signal priority
  • traffic flow
  • traffic signal optimization
  • cyclically time-expanded network
  • public transport

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References

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