Development and Empirical Study of Real-Time Simulation-Based Dynamic Traffic Assignment Model
Publication: Journal of Transportation Engineering
Volume 136, Issue 11
Abstract
This research aims at developing a system of real-time simulation-based dynamic traffic model under mixed traffic flow conditions. The system consists of two layers, namely, simulation layer and real-time control layer. The system is implemented based on rolling horizon approach, which is advanced for each stage; thus real-time data can be incorporated within the framework. In order to predict normative, as well as predictive, information, a simulation-based dynamic traffic assignment model is employed within each stage. Empirical data for a real city network, such as flows from vehicle detectors, are used to validate the model in a real-time environment. The values of mean absolute percentage error and root-mean-squared percentage error are within 15%, and the results show promising agreements between observed and simulated flows.
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Acknowledgments
This paper is based on work partially supported by the Institute of Transportation, Ministry of Transportation and Communications, and National Science Council of Taiwan, ROC. Of course, the writers are solely responsible for the contents of this paper.NSCT
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 136 • Issue 11 • November 2010
Pages: 1008 - 1020
Copyright
© 2010 ASCE.
History
Received: Feb 26, 2009
Accepted: Apr 28, 2010
Published online: Oct 15, 2010
Published in print: Nov 2010
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