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协调路口划分对交通控制效果的影响分析

, PP. 88-94

Keywords: 交通工程,干线协调,协调因子,协调路口划分,Synchro软件

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Abstract:

基于Synchro软件对干线协调的路口进行恰当地划分,Synchro软件中用协调因子来衡量相邻路口间是否需要实行协调控制,协调因子的计算主要考虑行程时间、距离、流量、车队形式、周期时长等因素;然后分析了干线协调优化逻辑,并用交通仿真的方法分析不同划分策略对控制效果的影响,并选取最佳的划分;对六一路全线11个交叉口进行案例分析,Synchro在协调路口划分中的有效性得到验证。结果表明协调路口划分会显著地影响整个网络中车辆的延误和停车次数,不恰当的划分会导致延误大幅增加。但不论哪种划分方式,都会显著减小主路和整个网络的停车次数。最佳的划分方式使整个网络延误降低10%,平均停车次数降低11%。

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