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Optimization of signalized traffic networks

In: Mathematics – Key Technology for the Future

Author

Listed:
  • Ekkehard Köhler

    (Brandenburgische Technische Universität Cottbus, Institut für Mathematik)

  • Rolf H. Möhring

    (Technische Universität Berlin, Institut für Mathematik, MA 6-1)

  • Klaus Nökel

    (PTV AG, Stumpfstraße 1, D-76131 Karlsruhe)

  • Gregor Wünsch

    (Technische Universität Berlin, Institut für Mathematik, MA 6-1)

Abstract

The coordination of signal controls in a traffic network has a significant impact on throughput and journey times of the vehicles in the network. We present a mixed-integer linear programming model optimizing the coordination, i.e., a model that minimizes waiting times of individual traffic by adjusting the offsets between signals. Compared to existing approaches, our model supports non-uniform cyclelengths of signals and yields optimal solutions (w.r.t. the objective function of our model) in less computation time. We use microsimulation which shows that high quality solutions can be obtained with little computational effort.

Suggested Citation

  • Ekkehard Köhler & Rolf H. Möhring & Klaus Nökel & Gregor Wünsch, 2008. "Optimization of signalized traffic networks," Springer Books, in: Hans-Joachim Krebs & Willi Jäger (ed.), Mathematics – Key Technology for the Future, pages 179-188, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-77203-3_13
    DOI: 10.1007/978-3-540-77203-3_13
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