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.
@InProceedings{scheffler_et_al:OASIcs.ATMOS.2017.9, author = {Scheffler, Robert and Strehler, Martin}, title = {{Optimizing Traffic Signal Settings for Public Transport Priority}}, booktitle = {17th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2017)}, pages = {9:1--9:15}, series = {Open Access Series in Informatics (OASIcs)}, ISBN = {978-3-95977-042-2}, ISSN = {2190-6807}, year = {2017}, volume = {59}, editor = {D'Angelo, Gianlorenzo and Dollevoet, Twan}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.ATMOS.2017.9}, URN = {urn:nbn:de:0030-drops-79005}, doi = {10.4230/OASIcs.ATMOS.2017.9}, annote = {Keywords: transit signal priority, traffic flow, traffic signal optimization, cyclically time-expanded network, public transport} }
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