Chapter
Apr 26, 2012
A Unified Perspective on Traffic Flow Theory, Part I: The Field Theory
Publication: ICCTP 2011: Towards Sustainable Transportation Systems
Abstract
Over more than half a century, traffic flow theorists have been pursuing two goals: (1) simple and efficient models to abstract vehicular traffic flow and (2) a unified framework in which existing traffic flow models fit and relate to each other. Continuing these efforts, we report our humble understanding in a trio of papers. This paper (Part I) introduces a Field Theory with an emphasis on traffic flow modeling at the microscopic level. In this theory, highways and vehicles are perceived as a field by a subject driver whose driving strategy is to navigate through the field along its valley. The second paper (Part II) uses the Field Theory as a framework to relate existing microscopic and macroscopic models to each other and such relations are represented in a Unified Diagram. The third paper (Part III) provides numerical and empirical results of the Field Theory and benchmarks some traffic flow models presented in the Unified Diagram.
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© 2011 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Department of Civil and Environmental Engineering, University of Massachusetts, Amherst, MA 01003, U.S.A.E-mail: [email protected]
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