Japan approves three Shinkansen extensions July 19, 2012 | Asia Pacific News Japan has approved three more Shinkansen [high-speed rail (HSR)] extensions. Of the three, the longest is the long-planned 211-km Hokkaido Shinkansen between Shin-Hakkodate and Sapporo. It will serve ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password