<prompt> JR East inoshanda Tokyo guru njanji Network, kusanganisira Yamanote Line loop kuti unopoteredza nechepakati Downtown Tokyo. masangano maviri akasiyana anoshanda Subway Network: private Tokyo Metro uye hurumende Tokyo Metropolitan Bureau of Transportation. Hurumende Metropolitan uye private vatakuri anoshanda bhazi migwagwa uye mumwe chitima nzira. Local, kwematunhu, uye National mabasa anowanikwa, pamwe chikuru zviteshi panguva hofori njanji dzemapurisa, kusanganisira Tokyo, Shinagawa, uye Shinjuku. Mubvunzo: Chii chimwe njanji mutsetse muJapan?  <response>: Yamanote Line chiuno 