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首页> 外文期刊>Physica, A. Statistical mechanics and its applications >Numerical study of urban traffic flow with dedicated bus lane and intermittent bus lane
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Numerical study of urban traffic flow with dedicated bus lane and intermittent bus lane

机译：专用公交专用道和间歇公交专用道对城市交通流的数值研究

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摘要

Based on the cellular automaton traffic flow model and the concept of public transport priority, a two-lane traffic model with an intermittent bus lane is proposed and the properties of urban traffic flow are studied. The cases of traffic with a dedicated bus lane (DBL), an intermittent bus lane (IBL) and an ordinary two-lane traffic are simulated, and comparisons in the form of the fundamental diagrams and the velocity-density profiles are made between them. It is shown that the DBL has the advantage of freeing buses from traffic interference and also has the disadvantage of disrupting traffic, the IBL is more efficient in improving the bus flow than ordinary two-lane traffic and maintaining the car flow at a higher level at the same time than the DBL, while the ordinary two-lane traffic suppresses public transportation and is not advantageous in easing urban traffic congestion. Also it is indicated that the DBL is only appropriate for low traffic flow in a two-lane traffic system, and this limitation can be partly overcome by opening the bus lane to general traffic intermittently when the bus lane is not in use by buses.
机译：基于元胞自动机交通流模型和公共交通优先权的概念，提出了公交车道断续的两车道交通模型，研究了城市交通流的性质。模拟了具有专用公交专用道（DBL），间歇公交专用道（IBL）和普通两车道交通的情况，并以基本图和速度密度曲线的形式进行了比较。结果表明，DBL的优点是使公交车摆脱了交通干扰，还具有扰乱交通的缺点，IBL在改善公交车流量方面比普通的两车道交通更有效，并且在较高的车流量下保持车流量。同时，普通的两车道交通抑制了公共交通，不利于缓解城市交通拥堵。还表明，DBL仅适用于两车道交通系统中的低交通流量，并且可以通过在公交车不使用公交车道时间歇性地开放公交车道以通向一般交通来部分克服这一限制。

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