An Integrated Framework for Traffic Analysis Combining Macroscopic and Microscopic Models

Justin Siegel and Juan Enrique Coeymans

Transportation Planning and Technology, 2005, vol. 28, issue 2, 135-148

Abstract: In this paper we describe the use of specific methodologies and programming tools that allow the integration of macro- and microscopic models for the analysis of urban transportation systems. Considering, on the one hand, the advantages of using a macroscopic model for the representation of large-scale networks, and, on the other, the high level of detail that can be achieved by a microscopic model, we discuss different examples and applications where it is practical to integrate their use. One such case is the analysis of sub-areas that are part of a large macroscopic network, in order to represent detailed design changes as well as traffic management schemes that cannot be treated explicitly by the macroscopic model. We propose in these cases that the demand information considered in the macro model be transferred to the micro model, and also that advantage be taken of micro modeling to fine-tune or improve the representation of certain macro level phenomena (e.g. through the definition of link capacities). The applications make use of the ESTRAUS macroscopic model and the GETRAM/AIMSUN microscopic traffic simulator.

Date: 2005
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DOI: 10.1080/03081060500053533

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