Middle section of Chengnan Road. Yangling Qinyuan Chundi and Xichun were very cautious in site selection, and finally chose the middle section of Chengnan Road. Because of the large passenger flow, they chose the middle section of Chengnan Road. Site selection refers to the process of demonstrating and making decisions on the address before construction. Firstly, it refers to the setting area, the environment of the area and the basic requirements that should be met; Secondly, it refers to the specific position and orientation.