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基于一种交通状态系数的城市路网交通状态评价研究

, PP. 113-120

Keywords: 交通工程,交通状态评价,平均行程速度,城市路网,交通状态系数

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Abstract:

针对以往城市路网交通状态评价研究中大多从中观角度将路口归入路段而忽略了交叉口对路网交通状态影响的问题,选取交叉口进口饱和度和路段平均行程速度作为路网状态评价的基本参数,将宏观路网交通状态评价与微观交通状态分析相结合,定义了一种新的路网交通状态系数,作为交通畅通行驶的阻抗,研究确定了路网交通状态系数临界值,提出了一种新的路网交通状态分析方法,对模拟路网整体运行状态进行了分析;最后从可达性及连通性等方面对路网状态进行了分析和评价。

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