Abstract:Jiangcheng Avenue is an important component in "four-vertical five-horizontal" urban expressway network of the central urban area in Yichang. Its route selection and design are the main control elements in the overall design. There must be a combination of factors to compare and select many schemes in order to achieve the best scheme. Firstly, the route layout, main control points and route layout principles of Jiangcheng Avenue are introduced. Then, two representative road sections (Tanjiahe Village and Yiwan Railway) are selected from four road sections of the whole line for respectively comparing and analyzing K Line, B Line, D Line and K Line, E Line, F Line in detail. The key problems of mountain route selection and route selection undercrossing high-speed railway line are summarized and discussed. Finally, under the premise of reflecting the idea of "terrain route selection", "geological route selection", "environmental protection route selection" and "standard route selection", the route selection scheme is summarized and determined.