Abstract
To introduce traffic management schemes and traffic operation, influences on traffic flows should be estimated precisely. To this end, a traffic simulation model in urban road networks is proposed in this paper. That is an equilibrium traffic assignment model combined with estimation of junction delays. For each turning flows, junction delays are induced analytically as a function of flows and traffic signal control parameters. Traffic assignment uses an iterative procedure, and flow-delay curves are selected based on latest link flows. In this method, precise modeling of junction flows was enabled and simulation process was sharply promotea in etticiency compared with usual simulation model. Through an application to Kobe city, it was cleared that the model is useful for estimation oftraffic management schemes and traffic operation.
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