Tōyō Rapid Railway Line
…Yachiyo-Midorigaoka and Toyo-Katsutadai) operates a through service with the Tokyo Metro Tōzai Line. However, as Tōyō Rapid Railway rolling stock (the Tōyō Rapid 2000 series) is not equipped with ATS-P, they must terminate at Nakano and cannot continue onto the Chūō–Sōbu Line, which uses ATS-P. Similarly, the Chūō–Sōbu…