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普通公路路段交通运行状态评价方法

Keywords: 交通工程,交通运行评价,逻辑规则,密度比,普通公路,行程车速

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Abstract:

选取平均行程车速和密度比作为交通运行状态评价指标,基于对重庆市26条国省道116个交调点检测基础数据交通分布特性的长期分析,建立了地点车速与行程车速拥堵情况下的计算模型,基于车头间距和车流量建立了密度比计算模型,同时根据评分分级试验确定了指标合理分级阈值。基于逻辑规则建立了以行程车速指标和密度比指标为评价指标的综合评价模型,找出了适用于我国普通公路运行状态的评价方法。通过对重庆市26条普通公路实际运行状况与模型判断结果进行验证分析,证明了模型具有较好的适应性。

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