Is It Necessary to Build the Chengdu-Yibin High-Speed Rail with the Existing Chengdu-Guiyang High-Speed Rail?
Chengdu and Chongqing are the core cities of the Chengdu-Chongqing metropolitan area, one of China's four major urban agglomerations. Due to historical and geographical factors, the cities in the Sichuan Basin are naturally "siphoned" by the two municipalities...