Movement-based look-ahead traffic-adaptive intersection control


Reference:
R.T. van Katwijk, B. De Schutter, and J. Hellendoorn, "Movement-based look-ahead traffic-adaptive intersection control," Proceedings of the UKACC International Conference on Control 2008, London, UK, 6 pp., Sept. 2008. Paper Th09.01.

Abstract:
There exist several control approaches for traffic signal control such as fixed-time, vehicle-actuated, or look-ahead traffic-adaptive control. We argue that in order to flexibly deal with varying demand levels movement-based control (which is already common in vehicle-actuated intersection control) is required instead of stage-based control (which is still employed in the state-of-the-art in look-ahead traffic-adaptive control). The movement-based approach is more flexible than the stage-based approach as it allows green for signals in different stages to start sooner if the demand for all conflicting movements in the current stage has cleared. Therefore, we propose a new movement-based method for look-ahead traffic-adaptive control. The method uses dynamic programming and branch-and-bound algorithms to determine the optimal traffic signal settings. We illustrate via a simulation example that the new approach can significantly outperform vehicle-actuated and stage-based look-ahead traffic-adaptive control.


Downloads:
 * Corresponding technical report: pdf file (260 KB)
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Bibtex entry:

@inproceedings{vanDeS:08-014,
        author={R.T. van Katwijk and B. {D}e Schutter and J. Hellendoorn},
        title={Movement-based look-ahead traffic-adaptive intersection control},
        booktitle={Proceedings of the UKACC International Conference on Control 2008},
        address={London, UK},
        month=sep,
        year={2008},
        note={Paper Th09.01}
        }



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