A Modification of the Stochastic Cell Transmission Model for Urban Networks

This study proposes a modified stochastic cell transmission model (M-SCTM) that can apply the conventional SCTM to urban networks. SCTM represents the uncertainty of traffic states and changing travel demands or supply conditions and has also been applied to freeways or simple networks with only one origin–destination pair. In M-SCTM, we introduce vehicle agents and their route choice behavior on an urban network for applications to more complex urban networks. From the results of empirical studies, we compared M-SCTM and SCTM to confirm the former’s prediction accuracy and calculated its reproducibility of travel times.

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