New Main Line

Honsen Shinkansen (道本線新幹線) is a currently under construction maglev line connecting Saikyō, Seoul, and Tokyo, East Asian Federation. The line is operated by Federation Rail, a subsidiary company of the Hyasoda Group. Currently, only part of the line exists, from Saikyō to Osaka. It will connect Tokyo and Saikyō in under 3 and a half hours. It is a culmination of the maglev development since the late 1970s, a government funded project initiated by Japan Airlines and then-Japan Railways.

Commercial maglev service between Saikyō and Seoul in 2008, connecting the two cities in 45 minutes. Service between Saikyō and Osaka began in February 2010, with the completion of the Japan-Korea Undersea Tunnel. The route to Tokyo is currently under construction

Route
The Honsen Shinkansen's route follows the Seojjog Haean Dolo from Saikyō into Seoul.