China Planning High-Speed Rail Link To London. Popular Science (3/17, Dillow) reports on China's "plans to extend its high-speed network all the way to London" by 2020, "with a rail line that will fly through 17 countries at speeds reaching 200 miles per hour." In all, three lines are being planned. In addition to a link between London and Beijing, "a second line will connect China with Southea..