Can the Shanghai-Hangzhou high-speed railway connect the whole country?

You can't. Shanghang High-speed Railway North Station, located in Shanghang County, Longyan City, Fujian Province, China, was built by China Railway Construction Group Co., Ltd. Shanghang North Station is a two-station six-line station building with a building area of 9,993 square meters, a building height of 23.3 meters, a building width of 1.62 meters and a total investment of about 1.95 million yuan. It is an intermediate station of Ssangyong High-speed Railway. According to relevant data, high-speed railway station can't connect to the whole country, and can only connect to the local network. The total length of the Ssangyong high-speed railway is 265.5 kilometers, and it is planned to set up 1 1 station. From north to south, there are Longyan Station, Gutian Meeting Station, Shanghang North Station, Wuping Station, Jiaoling Station, Yangyan West Station, Meizhou West Station, Meizhou Station, Xingning South Station and Wuyi Station respectively. Among them, Longyan-Gutian station section uses the existing Ganruilong Railway.