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公路无信号平交口安全性间接评价方法

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摘要 以往的公路交叉口的安全评价方法主要是基于交通事故和交通冲突来进行研究的,但交通事故数据采集的困难以及交通冲突获取的主观性限制了这些方法的应用。基于此,文章应用交通流理论提出了一种新的安全评价方法。基于对公路平交口交通事故的成因的系统分析以及交通冲突发生的概率估计,建立了安全评价模型。最后,根据调查交叉口的交通冲突概率的分布范围,将公路平交口的安全水平划分为四个等级,并用具体实例来验证了模型的有效性。
作者 周厚文
出处 《公路交通科技(应用技术版)》 CAS CSCD 2009年第5期219-221,共3页
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