The following lines are part of the key 4×4 HSR route system, made up of four north-south and four east-west lines.
Key North-South HSR Lines
▶ Beijing-Shanghai HSR via Ji’nan and Nanjing
▶ Beijing-Hong Kong HSR via Shijiazhuang, Zhengzhou, Wuhan, Changsha, Guangzhou, and Shenzhen
▶ Please note that the part from Shenzhen North to Hong Kong, has not yet opened
▶ Beijing-Harbin HSR via Shenyang, Changchun, and Harbin
▶ Please note that the part from Beijing to Shenyang has not yet been completed
▶ Hangzhou-Shenzhen (SE Coastal) HSR via Fuzhou and Xiamen
Key East-West HSR Lines
▶ Qingdao-Taiyuan HSR via Ji’nan and Shijiazhuang
▶ Please note that the part from Ji’nan to Shijiazhuang has not yet been completed
▶ Xuzhou-Lanzhou-Ürümqi HSR via Zhengzhou, Xi’an, Baoji, Lanzhou, and Xining
▶ Please note: the Xuzhou-Zhengzhou and Baoji-Lanzhou parts are being built
▶ Shanghai-Wuhan-Chengdu HSR via Nanjing, Hefei, Yichang, and Chongqing
▶ Shanghai-Kunming HSR via Hangzhou, Nanchang, Changsha, and Guiyang
▶ Please note that the part from Guiyang to Kunming has not yet been completed
Connection Lines
▶ Tianjin-Qinhuangdao HSR linking Beijing-Shanghai and Beijing-Harbin HSRs via Qinhuangdao