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-  2015 

基于FCD数据的城市有效路网密度评价——以广州荔湾区和越秀区为例

DOI: 10.11821/dlyj201503012

Keywords: 路网,浮动车数据,有效路网密度,核密度估计

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Abstract:

摘要: 提出一种基于FCD数据的城市有效路网密度的评价方法,主要是从城市路网的静态布局结构和动态交通流量两个方面对城市路网数据以及FCD数据进行核密度估计分析,得到城市有效路网密度等级的分布特征,继而通过理论与实际道路网密度等级差异对比分析,发现路网中差异区域,为城市路网规划提供可靠的依据。以广州市中心城区越秀、荔湾内的主要路网数据以及2010年五一期间中心城区内出租车的FCD数据为例,利用上述评价方法进行分析得出以下结论:区域内人民中路、人民南路、白云路、中山六路和中山七路路段的理论与实际密度等级差异性明显,表现为路段上密度核的数量与核影响范围差异大,其中尤为突出的是人民中路和人民南路,从理论有效路网密度的分析角度,两个路段都是高密度区域,与实际交通流量存在较大的密度分异。

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