WEBThe Tōkaidō Shinkansen ( Japanese: 東海道新幹線, romanized : Tōkaidō Shinkansen, lit. 'East coast route, new main line') is a Japanese high-speed rail line that is part of the nationwide Shinkansen network. Along with the Sanyo Shinkansen, it forms a continuous high-speed railway through the Taiheiyō Belt, also known as the Tokaido ...