List of railway lines in Japan (A to I)

Numbers

 * Line 1 (Chiba Urban Monorail)
 * Line 1 (Astram Line) (Hiroshima Rapid Transit)
 * Line 1 (Blue Line) (Yokohama City Transportation Bureau)
 * Line 1 (Kūkō Line/Airport Line) (Fukuoka City Transportation Bureau)
 * Line 1 (Midōsuji Line) (Osaka Municipal Transportation Bureau)
 * Line 1 Asakusa Line (Tokyo Metropolitan Bureau of Transportation)
 * Line 1 Higashiyama Line (Transportation Bureau City of Nagoya)
 * Line 2 (Chiba Urban Monorail)
 * Line 2 (Hakozaki Line) (Fukuoka City Transportation Bureau)
 * Line 2 (Tanimachi Line) (Osaka Municipal Transportation Bureau)
 * Line 2 Hibiya Line (Tokyo Metro)
 * Line 2 Meijō Line (Transportation Bureau City of Nagoya)
 * Line 2 Meikō Line (Transportation Bureau City of Nagoya)
 * Line 3 (Blue Line) (Yokohama City Transportation Bureau)
 * Line 3 (Nanakuma Line) (Fukuoka City Transportation Bureau)
 * Line 3 (Yotsubashi Line) (Osaka Municipal Transportation Bureau)
 * Line 3 Ginza Line (Tokyo Metro)
 * Line 3 Tsurumai Line (Transportation Bureau City of Nagoya)
 * Line 4 (Chūō Line) (Osaka Municipal Transportation Bureau)
 * Line 4 (Green Line) (Yokohama City Transportation Bureau)
 * Line 4 Marunouchi Branch Line (Tokyo Metro)
 * Line 4 Marunouchi Line (Tokyo Metro)
 * Line 4 Meijō Line (Transportation Bureau City of Nagoya)
 * Line 5 (Sennichimae Line) (Osaka Municipal Transportation Bureau)
 * Line 5 Tozai Line (Tokyo Metro)
 * Line 6 (Sakaisuji Line) (Osaka Municipal Transportation Bureau)
 * Line 6 Mita Line (Tokyo Metropolitan Bureau of Transportation)
 * Line 6 Sakura-dōri Line (Transportation Bureau City of Nagoya)
 * Line 7 (Nagahori Tsurumi-Ryokuchi Line) (Osaka Municipal Transportation Bureau)
 * Line 7 Kamiiida Line (Transportation Bureau City of Nagoya)
 * Line 7 Namboku Line (Tokyo Metro)
 * Line 8 (Imazatosuji Line) (Osaka Municipal Transportation Bureau)
 * Line 8 Yūrakuchō Line (Tokyo Metro)
 * Line 9 Chiyoda Line (Tokyo Metro)
 * Line 10 Shinjuku Line (Tokyo Metropolitan Bureau of Transportation)
 * Line 11 Hanzōmon Line (Tokyo Metro)
 * Line 12 Ōedo Line (Tokyo Metropolitan Bureau of Transportation)
 * Line 13 Fukutoshin Line (Tokyo Metro)

A

 * Abiko Branch Line (Common name. East Japan Railway Company)
 * Aboshi Line (Sanyo Electric Railway)
 * Abukuma Express Line (AbukumaExpress)
 * Agatsuma Line (East Japan Railway Company)
 * Aichi Loop Line (Aichi Loop Line Company)
 * Airport Line (Fukuoka City Transportation Bureau)
 * Airport Line (Keihin Electric Express Railway)
 * Airport Line (Translated nickname. Kyushu Railway Company)
 * Airport Line (Nagoya Railroad)
 * Airport Line (Nankai Electric Railway)
 * Aizu Kinugawa Line (Yagan Railway)
 * Aizu Line (Aizu Railway)
 * Akabane Line (East Japan Railway Company)
 * Akasaki Line (Freight. Iwate Kaihatsu Railway)
 * Akasako Branch Line (Nagasaki Electric Tramway)
 * Akechi Line (Akechi Railroad)
 * Akita Nairiku Line (Akita Nairiku Jukan Railway)
 * Akita Rinkai Railway Line (Freight. Akita Rinkai Railway)
 * Akita Shinkansen (Nickname. East Japan Railway Company)
 * Akō Line (West Japan Railway Company)
 * Amagi Line (Amagi Railway)
 * Amagi Line (Nishi-Nippon Railroad)
 * Amanohashidate Cable Car (Common name. Tango Kairiku Kotsu)
 * Ao Line (Kobe Electric Railway)
 * Aoimori Railway Line (Aoimori Railway Company)
 * Aonami Line (Nickname. Nagoya Seaside Rapid Railway)
 * Arakawa Line (Tokyo Metropolitan Bureau of Transportation)
 * Arashiyama Line (Hankyu Corporation)
 * Arashiyama Main Line (Keifuku Electric Railroad)
 * Arima Line (Kobe Electric Railway)
 * Asa Line (Tosa Kuroshio Railway)
 * Asakusa Line (Tokyo Metropolitan Bureau of Transportation)
 * Asanogawa Line (Hokuriku Railway)
 * Asatō Line (Asa Kaigan Railway)
 * Aso Kōgen Line (Nickname. Kyushu Railway Company)
 * Astram Line (Nickname. Hiroshima Rapid Transit)
 * Aterazawa Line (East Japan Railway Company)
 * Atsugi Line (Freight. Sagami Railway)
 * Atsumi Line (Toyohashi Railroad)
 * Awa Muroto Seaside Line (Nickname. Shikoku Railway Company)
 * Azumada Main Line (Toyohashi Railroad)

B

 * Ban'etsu-Sai Line (East Japan Railway Company)
 * Ban'etsu-To Line (East Japan Railway Company)
 * Bantan Line (West Japan Railway Company)
 * Beppu Rakutenchi Cable Line (Okamoto MFG)
 * Bessho Line (Ueda Electric Railway)
 * Bisai Line (Nagoya Railroad)
 * Biwako Line (Nickname. West Japan Railway Company)
 * Blue Line (Nickname. Yokohama City Transportation Bureau)
 * Branch Line (Toyama Chiho Railway)

C



 * Cable Line (Kurobe Cable Car) (Tateyama Kurobe Kanko)
 * Cable Line (Tateyama Cable Car) (Tateyama Kurobe Kanko)
 * Cable Line (Hakone Tozan Railway)
 * Cable Line (Keifuku Electric Railroad)
 * Cable Line (Keihan Electric Railway)
 * Cable Line (Nankai Electric Railway)
 * Cable Line (Nose Electric Railway)
 * Chiba Line (Keisei Electric Railway)
 * Seibu Chichibu Line (Seibu Railway)
 * Chichibu Main Line (Chichibu Railway)
 * Chidori Line (Freight. Kanagawa Rinkai Railway)
 * Chihara Line (Keisei Electric Railway)
 * Chikkō Line (Nagoya Railroad)
 * Chikkō Line (Common name. Takamatsu-Kotohira Electric Railroad)
 * Chikuhi Line (Kyushu Railway Company)
 * Chikuhō Electric Railroad Line (Common name. Chikuho Electric Railroad)
 * Chikuhō Main Line (Kyushu Railway Company)
 * Chita New Line (Nagoya Railroad)
 * Chitose Line (Hokkaido Railway Company)
 * Chiyoda Line (Tokyo Metro)
 * Chizu Line (Chizu Express)
 * Chōkai Sanroku Line (Yuri Kogen Railway)
 * Chōshi Electric Railway Line (Choshi Electric Railway)
 * Chūō Line (Osaka Municipal Transportation Bureau)
 * Chūō Main Line (East Japan Railway Company, Central Japan Railway Company)
 * Chūō-Higashi Line (Common name. East Japan Railway Company)
 * Chūō-Nishi Line (Common name. Central Japan Railway Company)
 * Chūō-Sōbu Line (Common name. East Japan Railway Company)

D

 * Kagoshima City Tram Dai-Ikki Line (Kagoshima City Transportation Bureau)
 * Kagoshima City Tram Dai-Ni-Ki Line (Kagoshima City Transportation Bureau)
 * Daishi Line (Keihin Electric Express Railway)
 * Daishi Line (Tobu Railway)
 * Daiyūzan Line (Izuhakone Railway)
 * Dazaifu Line (Nishi-Nippon Railroad)
 * Den-en-Toshi Line (Tokyo Kyuko Electric Railway)
 * Disney Resort Line (Maihama Resort Line)
 * Dōbutsuen Line (Keio Electric Railway)
 * Domyoji Line (Kintetsu Railway)
 * Dosan Line (Shikoku Railway Company)
 * Dragon Rail Ōfunato Line (Nickname, East Japan Railway Company)

E

 * Eba Line (Hiroshima Electric Railway)
 * Ebino-Kōgen Line (Nickname. Composed of Hisatsu Line and Kitto Line. Kyushu Railway Company)
 * Echigo Line (East Japan Railway Company)
 * Eizan Cable (Common name. Keifuku Electric Railroad)
 * Eizan Main Line (Eizan Electric Railway)
 * Ekimae Line (Common name. Tosaden Kōtsū)
 * Ekisan Line (Common name. Tosaden Kōtsū)
 * Enoshima Electric Railway Line (Enoshima Electric Railway) No official line name exists.
 * Enoshima Line (Odakyu Electric Railway)
 * Enoshima Line (Shonan Monorail)
 * Enshū Railway Line (Enshū Railway)
 * Esashi Line (Hokkaido Railway Company)
 * Etsumi-Hoku Line (West Japan Railway Company)
 * Etsumi-Nan Line (Nagaragawa Railway)

F

 * Flower Nagai Line (Yamagata Railway)
 * Fruits Line Aterazawa Line (Nickname. East Japan Railway Company)
 * Fuji Kyūkō Line (Common name. Fuji Kyuko)
 * Fujikoshi Line (Toyama Chiho Railway)
 * Fujisaki Line (Kumamoto Electric Railway)
 * Fukubu Line (Fukui Railway)
 * Fukuchiyama Line (West Japan Railway Company)
 * Fukuen Line (West Japan Railway Company)
 * Fukuhoku Yutaka Line (Nickname. Kyushu Railway Company)
 * Fukushima Rinkai Railway Main Line (Freight. Fukushima Rinkai Railway)
 * Fukutoshin Line (Tokyo Metro)
 * Furano Line (Hokkaido Railway Company)

G

 * Gakkentoshi Line (Nickname. West Japan Railway Company)
 * Gakuentoshi Line (Nickname. Hokkaido Railway Company)
 * Gakunan Railway Line (Gakunan Railway) No official line name exists.
 * Gala-Yuzawa Line (Common name. East Japan Railway Company)
 * Gamagōri Line (Nagoya Railroad)
 * Gantoku Line (West Japan Railway Company)
 * Geibi Line (West Japan Railway Company)
 * Ginga Dream Line Kamaishi Line (Nickname. East Japan Railway Company)
 * Ginza Line (Tokyo Metro)
 * Gomen Line (Tosaden Kōtsū)
 * Gomen-Nahari Line (Nickname. Tosa Kuroshio Railway)
 * Gonō Line (East Japan Railway Company)
 * Gose Line (Kintetsu Railway)
 * Gotemba Line (Central Japan Railway Company)
 * Gotōji Line (Kyushu Railway Company)
 * Green Line (Nickname. Yokohama City Transportation Bureau)
 * Guideway Bus Shidami Line (Nagoya Guideway Bus)
 * Gunchū Line (Iyo Railway)
 * Guzū Line (Common name. Tobu Railway)

H



 * Hachikō Line (East Japan Railway Company)
 * Hachinohe Line (East Japan Railway Company)
 * Hachinohe Rinkai Railway Line (Freight. Hachinohe Rinkai Railway)
 * Hachiōji Line (Kintetsu Railway)
 * Hagoromo Branch Line (Common name. West Japan Railway Company)
 * Haijima Line (Seibu Railway)
 * Hakata-Minami Line (West Japan Railway Company)
 * Hakodate Main Line (Hokkaido Railway Company)
 * Hakone Jukkokutōge Cable Car (Nickname. Izuhakone Railway)
 * Hakone Tozan Cable Car (Nickname. Hakone Tozan Railway)
 * Hakone Tozan Line (Common name. Hakone Tozan Railway)
 * Hakozaki Line (Fukuoka City Transportation Bureau)
 * Hakubi Line (West Japan Railway Company)
 * Hakushima Line (Hiroshima Electric Railway)
 * Hakushin Line (East Japan Railway Company)
 * Hamanasu Bay Line Ōminato Line (Nickname. East Japan Railway Company)
 * Hanasaki Line (Nickname. Hokkaido Railway Company)
 * Hanawa Line (East Japan Railway Company)
 * Hanazono Line (Iyo Railway)
 * Handa Line (Kinuura Rinkai Railway)
 * Tōkyō Monorail Haneda Line (Tokyo Monorail)
 * Hankai Line (Hankai Electric Tramway)
 * Hanshin Main Line (Hanshin Electric Railway)
 * Hanwa Line (West Japan Railway Company)
 * Hanzōmon Line (Tokyo Metro)
 * Haruda Line (Nickname. Kyushu Railway Company)
 * Hashima Line (Nagoya Railroad)
 * Hekinan Line (Kinuura Rinkai Railway)
 * Hibiya Line (Tokyo Metro)
 * Hidaka Main Line (Hokkaido Railway Company)
 * Hieizan Railway Line (Hieizan Railway)
 * Higashi-Hagoromo Branch Line (Common name. West Japan Railway Company)
 * Higashi-Narita Line (Keisei Electric Railway)
 * Higashiyama Line (Common name. Transportation Bureau City of Nagoya)
 * Higashiyama Main Line (Okayama Electric Tramway)
 * Hijiyama Line (Common name. Hiroshima Electric Railway)
 * Hikoroichi Line (Freight. Iwate Kaihatsu Railway)
 * Himi Line (West Japan Railway Company)
 * Hinkaku Line (Common name. East Japan Railway Company)
 * Hiromi Line (Nagoya Railroad)
 * Hiroshima New Transit Line 1 (Hiroshima Rapid Transit)
 * Hiroshima Short Distance Transit Senō Line (Skyrail Service)
 * Hirui Line (Freight. Seino Railway)
 * Hisatsu Line (Kyushu Railway Company)
 * Hisatsu Orange Railway Line (Hisatsu Orange Railway)
 * Hitahikosan Line (Kyushu Railway Company)
 * Hobashira Cable Line (Common name. Hobashira Cable)
 * Hōhi Main Line (Kyushu Railway Company)
 * Hōjō Line (Hojo Railway)
 * Hoku Line (North Line) (Freight. Akita Rinkai Railway)
 * Hokuhoku Line (Hokuetsu Express)
 * Hokuriku Main Line (West Japan Railway Company)
 * Hokuriku Shinkansen (East Japan Railway Company)
 * Hokusei Line (Sangi Railway)
 * Hokushin Line (Hokushin Kyuko Electric Railway(services), Kobe Rapid Railway(tracks))
 * Hokusō Line (Hokuso Railway)
 * Hommachi Line (Iyo Railway)
 * Hommoku Line (Freight. Kanagawa Rinkai Railway)
 * Hōnanchō Branch Line (Common name. Tokyo Metro)
 * Honshi-Bisan Line (West Japan Railway Company, Shikoku Railway Company)
 * Hoppō Freight Line (Common name. West Japan Railway Company)
 * Hōrai-Yachigashira Line (Hakodate City Transportation Bureau)
 * Hot Spa Line (Nickname. Yagan Railway)
 * Hotarujaya Branch Line (Nagasaki Electric Tramway)

I

 * Ibara Line (Ibara Railway)
 * Ibi Line (Common name. Kintetsu Railway)
 * Ibusuki Makurazaki Line (Kyushu Railway Company)
 * Ichihashi Line (Freight. Seino Railway)
 * Iga Line (Iga Railway)
 * Iida Line (Central Japan Railway Company)
 * Iiyama Line (East Japan Railway Company)
 * Iizaka Line (Fukushima Transportation)
 * Ikawa Line (Oigawa Railway)
 * Ikebukuro Line (Seibu Railway)
 * Ikegami Line (Tokyo Kyuko Electric Railway)
 * Ikoma Cable Line (Kintetsu Railway)
 * Ikoma Line (Kintetsu Railway)
 * Imazatosuji Line (Osaka Municipal Transportation Bureau)
 * Imazu Line (Hankyu Corporation)
 * Inbi Line (West Japan Railway Company)
 * Ina Line (Saitama New Urban Transit)
 * Inō Line (Tosaden Kōtsū)
 * Inokashira Line (Keio Electric Railway)
 * Inuyama Line (Nagoya Railroad)
 * Inuyama Monorail (Common name. Nagoya Railroad)
 * Ise Line (Ise Railway)
 * Isesaki Line (Tobu Railway)
 * Ishikawa Line (Hokuriku Railway)
 * Ishinomaki Line (East Japan Railway Company)
 * Ishiyama Sakamoto Line (Keihan Electric Railway)
 * Isumi Line (Isumi Railway)
 * Ita Line (Heisei Chikuho Railway)
 * Itami Line (Hankyu Corporation)
 * Itō Line (East Japan Railway Company)
 * Itoda Line (Heisei Chikuho Railway)
 * Itsukaichi Line (East Japan Railway Company)
 * Iwaizumi Line (East Japan Railway Company)
 * Iwate Galaxy Railway Line (IGR Iwate Galaxy Railway)
 * Izu Kyūkō Line (Izukyū Corporation)
 * Izumino Line (Sagami Railway)