结合高速公路绕越南京市的方案研究 ,分析研究城市与高速公路的关系、高速公路与大城市衔接系统 ,具体分析高速公路与城市土地利用、在城市发展中的地位和促进作用 ,以及高速公路与大城市衔接系统的构成要素、现状所存在的主要问题、影响机制等 ,从而提出高速公路与大城市的衔接方式 ,并建议高速公路绕越大城市的合理方案 Based on the research of the freeway around Nanjing City, this paper analyzes the relationship between the city and expressway, the convergence system between expressway and metropolitan area, analyzes the expressway and urban land use, the status and promotion role in urban development, The components of convergence system with the big cities, the main problems existing in the status quo, the impact mechanism, and so on, and then put forward the convergence mode of freeway and big cities, and suggested a reasonable scheme of freeway winding over big cities