【摘要】 以大量实测交通流数据为依据 ,分析珠江三角洲地区道路特性和交通组成特点 ,应用数理统计方法分析该地区速度分布特性及交通运行特性。划分自由流、稳定流和拥挤流 ,建立符合我国公路交通实际工况下的高速公路速度 流量模型 ,并籍此进行交通特性分析。更多还原

【Abstract】 According to statistical principle, the characters of highway traffic compositions and speed distribution are put forward by analyzing a great deal of field survey traffic flow data in Zhujiang Delta in this paper Speed?flow curves for freeways and arterial highways are presented through nonlinear regression on traffic flow data observed in the region更多还原