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Fundamental diagram in traffic flow of mixed vehicles on multi-lane highway

机译:多车道公路上混合动力车辆的交通流基本图

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We study the fundamental diagram for traffic flow of vehicular mixture on a multi-lane highway. We present the car-following model of multi-lane traffic in which slow and fast vehicles flow with changing lanes. We investigate the traffic states of the vehicular mixture under the periodic boundary. Two values of the current appear at a density and two current curves are obtained. Vehicles move with changing lanes in the traffic state of high current, while vehicles move without changing lanes in the traffic state of low current. They depend on the density, the fraction of slow vehicles, and the initial condition. In the high-current curve, the jamming transition between the free flow and the jammed state occurs at a low density. The fundamental diagrams (current-density diagrams) are shown for the single-lane, two-lane, three-lane, and four-lane traffics. (C) 2008 Elsevier B.V. All rights reserved.
机译:我们研究了多车道公路上车辆混合物的交通流基本图。我们提出了多车道交通的跟车模型,其中慢车和快车随着车道的变化而流动。我们研究了周期性边界下车辆混合物的交通状态。两个电流值以密度出现,并获得两个电流曲线。在大电流的交通状态下,车辆以改变车道行驶,而在小电流的交通状态下,车辆以不改变车道行驶。它们取决于密度,慢速车辆的比例和初始条件。在大电流曲线中,在自由流动和被堵塞状态之间的被堵塞过渡以低密度发生。显示了单车道,两车道,三车道和四车道交通量的基本图(电流密度图)。 (C)2008 Elsevier B.V.保留所有权利。

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