(56 vehicles in total) is scheduled to be introduced during fiscal 2018 and 2019. The new trains are to be built by Hitachi, with the design and styling overseen by architect Kazuyo Sejima. Former rolling stock Seibu 3000 series (1982-2014) Fares Single fare (Adult) Affiliated companies Prince Hotels Seibu Construction Seibu Bus Saitama Seibu Lions (professional baseball team) Seibu Dome Seibu Real Estate Seibu Trading References The Japan Times (December 22, 2005), Seibu Railway shareholders OK reorganizing plan. Retrieved December 22, 2005. External links Seibu Railway website Seibu Railway website Companies based in Saitama Prefecture Greater Tokyo Area Rail transport in Saitama Prefecture Rail transport in Tokyo Railway companies of Japan Companies formerly listed on the Tokyo Stock Exchange