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Modeling and Analysis of Mixed Flow of Cars and Powered Two Wheelers

Abstract : In modern cities, a rapid increase of motorcycles and other types of Powered Two-Wheelers (PTWs) is observed as an answer to long commuting in traffic jams and complex urban navigation. Such increasing penetration rate of PTWs creates mixed traffic flow conditions with unique characteristics that are not well understood at present. Our objective is to develop an analytical traffic flow model that reflects the mutual impacts of PTWs and Cars. Unlike cars, PTWs filter between cars, have unique dynamics, and do not respect lane discipline, therefore requiring a different modeling approach than traditional " Passenger Car Equivalent " or " Follow the Leader ". Instead, this work follows an approach that models the flow of PTWs similarly to a fluid in a porous medium, where PTWs " percolate " between cars depending on the gap between them. Our contributions are as follows: (I) a characterization of the distribution of the spacing between vehicles by the densities of PTWs and cars; (II) a definition of the equilibrium speed of each class as a function of the densities of PTWs and cars; (III) a mathematical analysis of the model's properties (IV) an impact analysis of the gradual penetration of PTWs on cars and on heterogeneous traffic flow characteristics.
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Submitted on : Tuesday, February 13, 2018 - 11:42:59 AM
Last modification on : Thursday, March 5, 2020 - 12:20:08 PM
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  • HAL Id : hal-01708005, version 1

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Sosina Gashaw, Paola Goatin, Jérôme Härri. Modeling and Analysis of Mixed Flow of Cars and Powered Two Wheelers. Transportation research. Part C, Emerging technologies, Elsevier, 2018, pp.1-44. ⟨hal-01708005⟩

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