Iidabashi Station (飯田橋駅) is a major interchange station that straddles Tokyo's Chiyoda, Shinjuku and Bunkyō wards. It was originally built as Iidamachi station (albeit in a slightly different location), terminus of the then Kobu railway, precursor to today's Chūō Line.

Layout
Chiba · Nishi-Chiba · Inage · Shin-Kemigawa · Makuhari · Makuhari-Hongō · Tsudanuma · Higashi-Funabashi · Funabashi · Nishi-Funabashi · Shimousa-Nakayama · Hirai · Kameido · Kinshicho · Ryōgoku · Asakusabashi · Akihabara · Ochanomizu · Suidōbashi · Iidabashi · Ichigaya · Yotsuya · Shinanomachi · Sendagaya · Yoyogi · Shinjuku · Ōkubo · Higashi-Nakano · Nakano · Kōenji · Asagaya · Ogikubo · Nishi-Ogikubo · Kichijōji · Mitaka
(Chūō-Sōbu Line<<) Nakano - Ochiai - Takadanobaba - Waseda - Kagurazaka - Iidabashi - Kudanshita - Takebashi - Ōtemachi - Nihombashi - Kayabachō - Monzen-nakachō - Kiba - Tōyōchō - Minami-sunamachi - Nishi-kasai - Kasai - Urayasu - Minami-gyōtoku - Gyōtoku - Myōden - Baraki-nakayama - Nishi-funabashi (>>Thru Chūō-Sōbu Line, Tōyō Rapid Line)
(Tōbu Tōjō Main Line<<) Wakōshi - Chikatetsu-narimasu - Chikatetsu-akatsuka - Heiwadai - Hikawadai - Kotake-mukaihara - Senkawa - Kanamechō - Ikebukuro - Higashi-Ikebukuro - Gokokuji - Edogawabashi - Iidabashi - Ichigaya - Kōjimachi - Nagatachō - Sakuradamon - Yūrakuchō - Ginza-itchōme - Shintomichō - Tsukishima - Toyosu - Tatsumi - Shin-Kiba Yurakucho New Line : Kotake-mukaihara - Shinsen-Ikebukuro
(Tōkyū Meguro Line) << Meguro - Shirokanedai - Shirokane-takanawa - Azabu-jūban - Roppongi-itchōme - Tameike-Sannō - Nagatachō - Yotsuya - Ichigaya - Iidabashi - Kōrakuen - Tōdaimae - Hon-komagome - Komagome - Nishigahara - Ōji - Ōji-Kamiya - Shimo - Akabane-iwabuchi >> (Saitama Rapid Railway Line)
Tochōmae - Shinjuku-nishiguchi - Higashi-shinjuku - Wakamatsu-kawada - Ushigome-yanagichō - Ushigome-kagurazaka - Iidabashi - Kasuga - Hongo-sanchōme - Ueno-okachimachi - Shin-Okachimachi - Kuramae - Ryōgoku - Morishita - Kiyosumi-shirakawa - Monzen Nakachō - Tsukishima - Kachidoki - Tsukijishijō - Shiodome - Daimon - Akabanebashi - Azabu-jūban - Roppongi - Aoyama-itchōme - Kokuritsu-kyōgijō - Yoyogi - Shinjuku - Tochōmae - Nishi-shinjuku-gochōme - Nakano-sakaue - Higashi-nakano - Nakai - Ochiai-minami-nagasaki - Shin-egota - Nerima - Toshimaen - Nerima-kasugachō - Hikarigaoka