2001•8th World Congress on Intelligent Transport SystemsITS America, ITS Australia, ERTICO (Intelligent Transport Systems and Services - Europe)Requires access
TRAFFIC SIMULATION MODEL ON URBAN EXPRESSWAY WITH INDIVIDUAL VEHICLE DESCRIPTION
Keiichi Ogawa, Takamasa Akiyama
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Abstract
Traffic control is conducted on urban expressways to keep traffic flow smoothly, safely and comfortably. Traffic simulation model is one of the convenient tools to estimate the dynamic traffic congestion that is related with the dynamic traffic demand and the traffic control strategy. Therefore, it is useful to evaluate the effects of strategies of traffic control. The macroscopic traffic simulation model on urban expressway is formulated. It is integrated in this paper to including the microscopic description of the behaviours of individual vehicles on the mainline. The purpose of the integration of model is to corresponding to the advanced traffic control systems including intelligent transport systems technologies, such as traffic information to the individual vehicles through the in-vehicle information devices. The estimated behaviours of the individual vehicles are corresponding with the macroscopic dynamic traffic congestion. The individual vehicle behaviours are estimated by using the proposed model in case that a traffic accident occurs on the mainline.