Jiuzhou Elevated starts from Hongdu Avenue in the east and extends to Fuzhou-Yinchuan Expressway in the west, with a length of about 15.7km. The width of the planned red line is 54m-130m. The Hongdu Avenue-Tianxiang Avenue section is constructed according to the urban expressway standard, with a length of about 11.75km. The section from Tianxiang Avenue to Fuzhou-Yinchuan Expressway is constructed according to the standard of expressway connecting line, with a length of about 3.95km.