List of railway lines in Japan
This is the list of railway lines in Japan on which passenger and / or freight traffic is carried out (as of 2017). It does not include trams, subways, light rail vehicles, monorails, people mover systems, cable cars and train lines in amusement parks.
The list is structured as follows:
- Name of the route: self-explanatory (some names are non-binding translations into German)
- Railway company: operator of the route in question (the original Japanese name is usually used)
- Gauge: Indicates the width of the track. In Japan, the Cape gauge of 1067 mm clearly predominates , while the normal gauge of 1435 mm is hardly widespread.
- Length: Indicates the length of the route in kilometers.
- Electricity system: Names the traction current system used on the route (= stands for direct voltage , ~ for alternating voltage , non-electrified routes are marked with -).
- Region: States the region in which the route is located ( Chūbu , Chūgoku , Hokkaidō , Kansai , Kantō , Kyūshū , Shikoku , Tōhoku ).
- Notes: Special information about the route
- A-C
| Name of the route | Railway company | Track width (mm) |
Length (in km) |
Power system |
region | Remarks |
|---|---|---|---|---|---|---|
| Aboshi line | San'yō Denki Tetsudō | 1435 | 8.5 | 1500 V = | Kansai | |
| Abukuma Express Line | Abukuma Kyūkō | 1067 | 54.9 | 20 kV 50 Hz ~ | Tōhoku | |
| Agatsuma line | JR East | 1067 | 55.6 | 1500 V = | Kanto | |
| Aichi ring line | Aichi Kanjō Tetsudō | 1067 | 45.3 | 1500 V = | Chūbu | |
| Ainokaze-Toyama Railway Line | Ainokaze Toyama Tetsudo | 1067 | 100.1 | 20 kV 60 Hz ~ | Chūbu | |
| Aizu line | Aizu Tetsudo | 1067 | 57.4 | 1500 V = | Tōhoku | |
| Aizu Kinugawa Line | Yagan Tetsudo | 1067 | 30.7 | 1500 V = | Kanto | |
| Akabane line | JR East | 1067 | 5.5 | 1500 V = | Kanto | Part of the Saikyō lineage |
| Akasaki line | Iwate Kaihatsu Tetsudō | 1067 | 2.0 | - | Tōhoku | freight traffic only |
| Akechi line | Akechi Tetsudo | 1067 | 25.1 | - | Chūbu | |
| Akita Nairiku Line | Akita Nairiku Jūkan Tetsudō | 1067 | 94.2 | - | Tōhoku | |
| Akita-Rinkai Railway Line | Akita Rinkai Tetsudō | 1067 | 7.9 | - | Tōhoku | freight traffic only |
| Akita Shinkansen | JR East | 1435 | 127.3 | 20 kV 50 Hz ~ | Tōhoku | includes parts of the Ōu main line and the Tazawako line |
| Akō line | JR West | 1067 | 57.4 | 1500 V = | Kansai Chūgoku |
|
| Amagi line | Amagi Tetsudo | 1067 | 13.7 | - | Kyushu | |
| Amagi line | Nishi-Nippon Tetsudo | 1435 | 17.9 | 1500 V = | Kyushu | |
| Ao line | Kobe Dentetsu | 1067 | 29.2 | 1500 V = | Kansai | |
| Aoimori railway line | Aoimori Tetsudo | 1067 | 121.9 | 20 kV 50 Hz ~ | Tōhoku | |
| Aonami line | Nagoya Rinkai Kōsoku Tetsudō | 1067 | 15.2 | 1500 V = | Chūbu | |
| Arashiyama line | Hankyū Dentetsu | 1435 | 4.1 | 1500 V = | Kansai | |
| Arima line | Kobe Dentetsu | 1067 | 22.5 | 1500 V = | Kansai | |
| Asa line | Tosa Kuroshio Tetsudo | 1067 | 42.7 | - | Shikoku | |
| Asanogawa line | Hokuriku Tetsudō | 1067 | 6.8 | 1500 V = | Chūbu | |
| Asatō line | Asa Kaigan Tetsudo | 1067 | 5.3 | - | Shikoku | |
| Aterazawa line | JR East | 1067 | 24.3 | - | Tōhoku | |
| Atsugi line | Sagami Tetsudo | 1067 | 2.2 | 1500 V = | Kanto | freight traffic only |
| Atsumi line | Toyohashi Tetsudo | 1067 | 18.0 | 1500 V = | Chūbu | |
| Ban'etsu East Line | JR East | 1067 | 85.6 | - | Tōhoku | |
| Ban'etsu West Line | JR East | 1067 | 175.6 | 20 kV 50 Hz ~ | Tōhoku | electrified only between Kōriyama and Kitakata (81.2 km) |
| Bantan line | JR West | 1067 | 85.7 | 1500 V = | Kansai | electrified only between Himeji and Teramae (29.6 km) |
| Bessho line | Ueda Dentetsu | 1067 | 11.6 | 1500 V = | Chūbu | |
| Bisai line | Nagoya Tetsudō | 1067 | 30.9 | 1500 V = | Chūbu | |
| Bivouac line | JR West | 1067 | 75.4 | 1500 V = | Kansai | includes parts of the Tōkaidō main line and the Hokuriku main line |
| Chiba line | Keisei Dentetsu | 1435 | 12.9 | 1500 V = | Kanto | |
| Chichibu main line | Chichibu Tetsudo | 1067 | 71.7 | 1500 V = | Kanto | |
| Chichibu line | Seibu Tetsudo | 1067 | 19.0 | 1500 V = | Kanto | |
| Chidori line | Kanagawa Rinkai Tetsudo | 1067 | 8.6 | - | Kanto | freight traffic only |
| Chihara line | Keisei Dentetsu | 1435 | 10.9 | 1500 V = | Kanto | |
| Chikkō line | Nagoya Tetsudō | 1067 | 1.5 | 1500 V = | Chūbu | |
| Chikuhi line | JR Kyushu | 1067 | 68.3 | 1500 V = | Kyushu | electrified only between Meinohama and Karatsu (42.6 km) |
| Chikuhō-Denki Railway Line | Chikuhō Denki Tetsudō | 1435 | 16.0 | 600 V = | Kyushu | |
| Chikuhō main line | JR Kyushu | 1067 | 66.1 | 20 kV 60 Hz ~ | Kyushu | electrified only between Orio and Keisen (34.5 km) |
| Chita Shin lineage | Nagoya Tetsudō | 1067 | 13.9 | 1500 V = | Chūbu | |
| Chitetsu main line | Toyama Chihō Tetsudō | 1067 | 53.3 | 1500 V = | Chūbu | |
| Chitose line | JR Hokkaidō | 1067 | 59.2 | 20 kV 50 Hz ~ | Hokkaidō | |
| Chizu line | Chizu Kyūkō | 1067 | 56.1 | - | Chūgoku | |
| Chōkai-Sanroku Line | Yuri Kōgen Tetsudō | 1067 | 23.0 | - | Tōhoku | |
| Choshi Railway | Chōshi Denki Tetsudō | 1067 | 6.4 | 600 V = | Kanto | |
| Chūō main line | JR Central JR East |
1067 | 424.6 | 1500 V = | Kantō Chūbu |
Property line in Shiojiri |
| Chūō rapid transit line | JR East | 1067 | 53.1 | 1500 V = | Kanto | Part of the main Chūō line |
| Chūō-Sōbu Line | JR East | 1067 | 60.2 | 1500 V = | Kanto | includes parts of the Chūō main line and the Sōbu main line |
- D-G
| Name of the route | Railway company | Track width (mm) |
Length (in km) |
Power system |
region | Remarks |
|---|---|---|---|---|---|---|
| Daishi line | Keihin Kyūkō Dentetsu | 1435 | 4.5 | 1500 V = | Kanto | |
| Daishi line | Tōbu Tetsudō | 1067 | 1.0 | 1500 V = | Kanto | |
| Daiyūzan line | Izuhakone Tetsudō | 1067 | 9.6 | 1500 V = | Kanto | |
| Dazaifu line | Nishi-Nippon Tetsudo | 1435 | 2.4 | 1500 V = | Kyushu | |
| Den'entoshi line | Tōkyō Kyūkō Dentetsu | 1067 | 31.5 | 1500 V = | Kanto | |
| Dōbutsuen line | Keiō Dentetsu | 1372 | 2.0 | 1500 V = | Kanto | |
| Domyoji line | Kinki Nippon Tetsudo | 1067 | 2.2 | 1500 V = | Kansai | |
| Dosan line | JR Shikoku | 1067 | 198.7 | 1500 V = | Shikoku | electrified only between Tadotsu and Kotohira (11.3 km) |
| Echigo line | JR East | 1067 | 83.8 | - | Chūbu | |
| Eizan main line | Eizan Dentetsu | 1435 | 5.6 | 600 V = | Kansai | |
| Enoshima Dentetsu line | Enoshima Dentetsu | 1067 | 10.0 | 600 V = | Kanto | |
| Enoshima line | Odakyū Dentetsu | 1067 | 27.6 | 1500 V = | Kanto | |
| Enshu Railway Line | Enshu Tetsudo | 1067 | 17.8 | 750 V = | Chūbu | |
| Esashi line | Dōnan Isaribi Tetsudō | 1067 | 37.8 | 20 kV 50 Hz ~ | Hokkaidō | only freight trains run electrically |
| Etsumi hoku line | JR West | 1067 | 52.5 | - | Chūbu | |
| Etsumi-nan line | Nagaragawa Tetsudo | 1067 | 72.1 | - | Chūbu | |
| Flower Nagai line | Yamagata Tetsudo | 1067 | 30.5 | - | Tōhoku | |
| Airport line | Nagoya Tetsudō | 1067 | 4.2 | 1500 V = | Chūbu | |
| Fujikoshi line | Toyama Chihō Tetsudō | 1067 | 3.3 | 1500 V = | Chūbu | |
| Fuji Kyūkō Line | Fuji Kyūkō | 1067 | 26.6 | 1500 V = | Chūbu | |
| Fujisaki line | Kumamoto Dentetsu | 1067 | 2.3 | 600 V = | Kyushu | |
| Fukuchiyama line | JR West | 1067 | 106.5 | 1500 V = | Kansai | |
| Fukuen line | JR West | 1067 | 85.1 | 1500 V = | Chūgoku | electrified only between Fukuyama and Fuchū (23.6 km) |
| Fukuhoku-Yutaka Line | JR Kyushu | 1067 | 66.6 | 20 kV 60 Hz ~ | Kyushu | composed of parts of the Chikuhō main line , the Kagoshima main line and the Sasaguri line |
| Fukushima Rinkai main line | Fukushima Rinkai Tetsudō | 1067 | 5.4 | - | Tōhoku | freight traffic only |
| Furano line | JR Hokkaidō | 1067 | 54.8 | - | Hokkaidō | |
| Gakunan line | Gakunan Tetsudo | 1067 | 9.2 | 1500 V = | Chūbu | |
| Gala Yuzawa Line | JR East | 1435 | 1.8 | 25 kV 50 Hz ~ | Chūbu | |
| Gamagōri line | Nagoya Tetsudō | 1067 | 17.6 | 1500 V = | Chūbu | |
| Gantoku line | JR West | 1067 | 43.7 | - | Chūgoku | |
| Geibi line | JR West | 1067 | 159.1 | - | Chūgoku | |
| Gonō line | JR East | 1067 | 147.2 | - | Tōhoku | |
| Gose line | Kinki Nippon Tetsudo | 1067 | 5.2 | 1500 V = | Kansai | |
| Gotemba line | JR Central | 1067 | 60.2 | 1500 V = | Kantō Chūbu |
|
| Gotōji line | JR Kyushu | 1067 | 13.3 | - | Kyushu | |
| Gunchu line | Iyo Tetsudō | 1067 | 11.3 | 750 V = | Shikoku |
- H-K
| Name of the route | Railway company | Track width (mm) |
Length (in km) |
Power system |
region | Remarks |
|---|---|---|---|---|---|---|
| Hachikō line | JR East | 1067 | 92.0 | 1500 V = | Kanto | electrified only between Hachiōji and Komagawa (31.1 km) |
| Hachinohe line | JR East | 1067 | 64.9 | - | Tōhoku | |
| Hachinohe-Rinkai Railway Line | Hachinohe Rinkai Tetsudō | 1067 | 8.5 | - | Tōhoku | freight traffic only |
| Haijima line | Seibu Tetsudo | 1067 | 14.3 | 1500 V = | Kanto | |
| Hachiōji line | Yokkaichi Asunarō Tetsudō | 762 | 1.3 | 750 V = | Kansai | |
| Hakata Minami Line | JR West | 1435 | 8.5 | 25 kV 60 Hz ~ | Kyushu | |
| Hakodate main line | JR Hokkaidō | 1067 | 458.4 | 20 kV 50 Hz ~ | Hokkaidō | electrified only between Hakodate and Shin-Hakodate-Hokuto and between Otaru and Asahikawa (188.5 km) |
| Hakone Tozan Line | Hakone Tozan Tetsudō | 1067 1435 |
15.0 | 1500 V = 750 V = |
Kanto | |
| Hakubi line | JR West | 1067 | 138.8 | 1500 V = | Chūgoku | |
| Hakushin line | JR East | 1067 | 27.3 | 1500 V = | Chūbu | |
| Hanawa line | JR East | 1067 | 106.9 | - | Tōhoku | |
| Handa line | Kinuura Rinkai Tetsudō | 1067 | 3.4 | - | Chūbu | freight traffic only |
| Hanshin main line | Hanshin Denki Tetsudō | 1435 | 32.1 | 1500 V = | Kansai | |
| Hanwa line | JR West | 1067 | 63.0 | 1500 V = | Kansai | |
| Hashima line | Nagoya Tetsudō | 1067 | 1.3 | 1500 V = | Chūbu | |
| Hekinan line | Kinuura Rinkai Tetsudō | 1067 | 8.2 | - | Chūbu | freight traffic only |
| Hidaka main line | JR Hokkaidō | 1067 | 146.5 | - | Hokkaidō | Operations between Mukawa and Samani are currently suspended |
| Higashi Narita line | Keisei Dentetsu | 1435 | 7.1 | 1500 V = | Kanto | |
| Hikoroichi line | Iwate Kaihatsu Tetsudō | 1067 | 9.5 | - | Tōhoku | freight traffic only |
| Himi line | JR West | 1067 | 16.5 | - | Chūbu | |
| Hiromi line | Nagoya Tetsudō | 1067 | 22.3 | 1500 V = | Chūbu | |
| Ichihashi line | Seinō Tetsudō | 1067 | 2.6 | - | Chūbu | freight traffic only |
| Hisatsu line | JR Kyushu | 1067 | 124.2 | - | Kyushu | |
| Hisatsu-Orange Railway Line | Hisatsu Orenji Tetsudō | 1067 | 116.9 | 20 kV 60 Hz ~ | Kyushu | |
| Hitahikosan line | JR Kyushu | 1067 | 68.7 | - | Kyushu | |
| Hōhi main line | JR Kyushu | 1067 | 148.0 | 20 kV 60 Hz ~ | Kyushu | electrified only between Kumamoto and Higo-Ōzu (22.6 km) |
| Hōjō line | Hōjō Tetsudō | 1067 | 13.6 | - | Kansai | |
| Hokkaidō Shinkansen | JR Hokkaidō | 1435 | 148.8 | 25 kV 50 Hz ~ | Hokkaidō Tōhoku |
partly mixed operation with freight traffic ( Seikan tunnel , Kaikyō line ) |
| Hokuhoku line | Hokuetsu Kyūkō | 1067 | 59.5 | 1500 V = | Chūbu | |
| Hokuriku main line | JR West | 1067 | 176.6 | 1500 V = 20 kV 60 Hz ~ |
Kansai Chūbu |
Mains voltage change in Tsuruga |
| Hokuriku Shinkansen | JR East, JR West | 1435 | 345.5 | 25 kV 50 Hz ~ 25 kV 60 Hz ~ |
Kantō Chūbu |
Property boundary and power supply change between Jōetsumyōkō and Itoigawa |
| Hokusei line | Sangi Tetsudo | 762 | 20.4 | 750 V = | Chūbu | |
| Hokushin line | Hokushin Kyūkō Dentetsu | 1435 | 4.7 | 1500 V = | Kansai | |
| Hokusō line | Hokusō Tetsudō | 1435 | 32.3 | 1500 V = | Kanto | |
| Honmoku line | Kanagawa Rinkai Tetsudo | 1067 | 5.6 | - | Kanto | freight traffic only |
| Honshi Bisan Line | JR Shikoku, JR West | 1067 | 31.0 | 1500 V = | Shikoku | Part of the Seto Ōhashi Line property line in Kojima |
| Ibara line | Ibara Tetsudo | 1067 | 41.7 | - | Chūgoku | |
| Ibusuki-Makurazaki Line | JR Kyushu | 1067 | 87.8 | - | Kyushu | |
| Iga line | Iga Tetsudo | 1067 | 16.6 | 1500 V = | Chūbu | |
| Iida line | JR Central | 1067 | 195.7 | 1500 V = | Chūbu | |
| Iiyama line | JR East | 1067 | 96.7 | - | Chūbu | |
| Iizaka line | Fukushima Kotsu | 1067 | 9.2 | 1500 V = | Tōhoku | |
| Ikawa line | Ōigawa Tetsudō | 1067 | 25.5 | 1500 V = | Chūbu | 1.5 km long cog railway section |
| Ikebukuro line | Seibu Tetsudo | 1067 | 57.8 | 1500 V = | Kanto | |
| Ikegami line | Tōkyō Kyūkō Dentetsu | 1067 | 10.9 | 1500 V = | Kanto | |
| Ikoma line | Kinki Nippon Tetsudo | 1435 | 12.4 | 1500 V = | Kansai | |
| Imazu line | Hankyū Dentetsu | 1435 | 9.3 | 1500 V = | Kansai | |
| Inbi line | JR West | 1067 | 73.4 | - | Chūgoku | |
| Inokashira line | Keiō Dentetsu | 1067 | 12.7 | 1500 V = | Kanto | |
| Inuyama line | Nagoya Tetsudō | 1067 | 26.8 | 1500 V = | Chūbu | |
| IR Ishikawa Railway Line | IR Ishikawa Tetsudo | 1067 | 17.8 | 20 kV 60 Hz ~ | Chūbu | |
| Ise line | Ise Tetsudo | 1067 | 22.3 | - | Chūbu | |
| Isesaki line | Tōbu Tetsudō | 1067 | 75.1 | 1500 V = | Kanto | |
| Ishikawa line | Hokuriku Tetsudō | 1067 | 13.8 | 600 V = | Chūbu | |
| Ishiyama-Sakamoto lineage | Keihan Denki Tetsudo | 1435 | 14.1 | 1500 V = | Kansai | |
| Ishinomaki line | JR East | 1067 | 44.9 | - | Tōhoku | |
| Isumi line | Isumi Tetsudo | 1067 | 26.8 | - | Kanto | |
| Ita line | Heisei Chikuhō Tetsudō | 1067 | 16.1 | - | Kyushu | |
| Itami line | Hankyū Dentetsu | 1435 | 3.1 | 1500 V = | Kansai | |
| Itō line | JR East | 1067 | 16.9 | - | Chūbu | |
| Itoda line | Heisei Chikuhō Tetsudō | 1067 | 6.8 | - | Kyushu | |
| Itsukaichi line | JR East | 1067 | 11.1 | 1500 V = | Kanto | |
| Iwate-Galaxy Railway Line | Iwate Ginga Tetsudo | 1067 | 82.0 | 20 kV 50 Hz ~ | Tōhoku | |
| Izu-Kyūkō Line | Izu Kyūkō | 1067 | 45.7 | 1500 V = | Chūbu | |
| Izumino line | Sagami Tetsudo | 1067 | 11.3 | 1500 V = | Kanto | |
| Jōban line | JR East | 1067 | 350.4 | 1500 V = 20 kV 50 Hz ~ |
Kantō Tōhoku |
Parts of the route after the Tōhoku earthquake and the Fukushima nuclear disaster out of service. Alternating current between Toride and Fujishiro , otherwise direct current |
| Jōetsu line | JR East | 1067 | 162.6 | 1500 V = | Kantō Chūbu |
|
| Jōetsu Shinkansen | JR East | 1435 | 269.5 | 25 kV 50 Hz ~ | Kantō Tōhoku |
|
| Johana lineage | JR West | 1067 | 29.9 | - | Chūbu | |
| Jōhoku line | Tōkai Kōtsū Jigyō | 1067 | 11.2 | - | Chūbu | |
| Jōmō line | Jōmō Dentetsu | 1067 | 25.4 | 1500 V = | Kanto | |
| Jōshin line | Jōshin Dentetsu | 1067 | 33.7 | 1500 V = | Kanto | |
| Jōsō line | Kantō Tetsudō | 1067 | 51.1 | - | Kanto | |
| JR Kobe Line | JR West | 1067 | 87.9 | 1500 V = | Kansai | Part of the Tōkaidō main line |
| JR Kyoto Line | JR West | 1067 | 42.8 | 1500 V = | Kansai | Part of the Tōkaidō main line |
| JR Tōzai Line | JR West | 1067 | 12.5 | 1500 V = | Kansai | Part of the Tōkaidō main line |
| Kabe line | JR West | 1067 | 14.0 | 1500 V = | Chūgoku | |
| Kada line | Nankai Denki Tetsudō | 1067 | 9.6 | 1500 V = | Kansai | |
| Kagoshima main line | JR Kyushu | 1067 | 285.3 | 20 kV 60 Hz ~ | Kyushu | divided into two sections |
| Kaikyō line | JR Hokkaidō | 1067 | 87.8 | 20 kV 50 Hz ~ | Hokkaidō Tōhoku |
Freight traffic only, mixed operation with Hokkaidō Shinkansen ( Seikan tunnel ) |
| Kaizuka line | Nishi-Nippon Tetsudo | 1067 | 11.0 | 1500 V = | Kyushu | |
| Kakamigahara line | Nagoya Tetsudō | 1067 | 17.6 | 1500 V = | Chūbu | |
| Kakogawa line | JR West | 1067 | 48.5 | 1500 V = | Kansai | |
| Kamaishi line | JR East | 1067 | 90.2 | - | Tōhoku | |
| Kameido line | Tōbu Tetsudō | 1067 | 3.4 | 1500 V = | Kanto | |
| Kamidaki line | Toyama Chihō Tetsudō | 1067 | 12.4 | 1500 V = | Chūbu | |
| Kamikochi line | Alpico Kotsu | 1067 | 14.4 | 1500 V = | Chūbu | |
| Kanamachi line | Keisei Dentetsu | 1435 | 2.5 | 1500 V = | Kanto | |
| Kansai Airport Line | JR West | 1067 | 11.1 | 1500 V = | Kansai | |
| Kansai main line | JR Central, JR West | 1067 | 179.6 | 1500 V = | Kansai Chūbu |
Property border in Kameyama electrified only between Nagoya and Kameyama and between Kamo and JR Namba (113.9 km) |
| Karasuyama line | JR East | 1067 | 20.4 | - | Kanto | |
| Karatsu line | JR Kyushu | 1067 | 42.5 | - | Kyushu | |
| Kashihara line | Kinki Nippon Tetsudo | 1435 | 23.8 | 1500 V = | Kansai | |
| Kashii line | JR Kyushu | 1067 | 25.4 | - | Kyushu | |
| Kashima line | JR East | 1067 | 17.4 | 1500 V = | Kanto | |
| Kashima Rinko Line | Kashima Rinkai Tetsudo | 1067 | 19.2 | - | Kanto | freight traffic only |
| Katamachi line | JR West | 1067 | 55.4 | 1500 V = | Kansai | |
| Katano line | Keihan Denki Tetsudo | 1435 | 6.9 | 1500 V = | Kansai | |
| Katsuyama Eiheiji Lineage | Echizen Tetsudo | 1067 | 27.8 | 600 V = | Chūbu | |
| Kawagoe line | JR East | 1067 | 30.6 | 1500 V = | Kanto | |
| Keibajō line | Keiō Dentetsu | 1372 | 0.9 | 1500 V = | Kanto | |
| Keihan main line | Keihan Denki Tetsudo | 1435 | 49.3 | 1500 V = | Kansai | |
| Keihanna line | Kinki Nippon Tetsudo | 1435 | 18.8 | 750 V = | Kansai | |
| Keihin-Tōhoku Line | JR East | 1067 | 59.1 | 1500 V = | Kanto | includes parts of the Tōhoku main line and the Tōkaidō main line |
| Keikyu Airport Line | Keihin Kyūkō Dentetsu | 1435 | 6.5 | 1500 V = | Kanto | |
| Keikyū main line | Keihin Kyūkō Dentetsu | 1435 | 56.7 | 1500 V = | Kanto | |
| Keiō line | Keiō Dentetsu | 1372 | 37.9 | 1500 V = | Kanto | |
| Keisei main line | Keisei Dentetsu | 1435 | 69.3 | 1500 V = | Kanto | |
| Keishin line | Keihan Denki Tetsudo | 1435 | 7.5 | 1500 V = | Kansai | |
| Keiyō line | JR East | 1067 | 43.0 | 1500 V = | Kanto | includes parts of the Musashino Line , the Nambu Line, and the Yokohama Line |
| Kesennuma line | JR East | 1067 | 72.8 | - | Kanto | |
| Kibi line | JR West | 1067 | 20.4 | - | Chūgoku | |
| Kikuchi line | Kumamoto Dentetsu | 1067 | 10.8 | 600 V = | Kyushu | |
| Kinugawa line | Tōbu Tetsudō | 1067 | 16.2 | 1500 V = | Kanto | |
| Kiryu line | Tōbu Tetsudō | 1067 | 20.3 | 1500 V = | Kanto | |
| Kisei main line | JR Central, JR West | 1067 | 384.2 | 1500 V = | Kansai | Property line in Shingū electrified only between Shingū and Wakayamashi (204.0 km) |
| Kishigawa line | Wakayama Dentetsu | 1067 | 14.3 | 1500 V = | Kansai | |
| Kishin line | JR West | 1067 | 158.1 | - | Kansai Chūgoku |
|
| Kishu Railway Line | Kishu Tetsudo | 1067 | 2.7 | - | Kansai | |
| Kisuki line | JR West | 1067 | 81.9 | - | Chūgoku | |
| Kitakami line | JR East | 1067 | 61.6 | - | Tōhoku | |
| Kita Matsue line | Ichibata densha | 1067 | 33.9 | 1500 V = | Chūgoku | |
| Kita Riasu line | Sanriku Tetsudo | 1067 | 71.0 | - | Tōhoku | |
| Kita Shinano line | Shinano Tetsudo | 1067 | 37.3 | 1500 V = | Chūbu | |
| Kitto line | JR Kyushu | 1067 | 61.6 | - | Kyushu | |
| Kobe main line | Hankyū Dentetsu | 1435 | 32.3 | 1500 V = | Kansai | |
| Kobe-Kōsoku Line | Hankyū Dentetsu | 1435 | 5.0 | 1500 V = | Kansai | |
| Kobe-Kōsoku Line | Hanshin Denki Tetsudō | 1435 | 2.8 | 1500 V = | Kansai | |
| Kodomonokuni line | Yokohama Kōsoku Tetsudō | 1067 | 3.4 | 1500 V = | Kanto | |
| Kōen Toshi Line | Kobe Dentetsu | 1067 | 5.5 | 1500 V = | Kansai | |
| Koizumi line | Tōbu Tetsudō | 1067 | 18.4 | 1500 V = | Kanto | |
| Kokubunji line | Seibu Tetsudo | 1067 | 7.8 | 1500 V = | Kanto | |
| Komaki line | Nagoya Tetsudō | 1067 | 20.6 | 1500 V = | Chūbu | |
| Kominato railway line | Kominato Tetsudo | 1067 | 39.1 | - | Kanto | |
| Kōnan line | Kōnan Tetsudō | 1067 | 16.8 | 1500 V = | Tōhoku | |
| Kosei line | JR West | 1067 | 74.1 | 1500 V = | Kansai | |
| Kōtō line | Mizushima Rinkai Tetsudō | 1067 | 3.6 | - | Chūgoku | freight traffic only |
| Kotohira line | Takamatsu-Kotohira Denki Tetsudō | 1435 | 32.9 | 1500 V = | Shikoku | |
| Kōtoku line | JR Shikoku | 1067 | 74.5 | - | Shikoku | |
| Koumi line | JR East | 1067 | 78.9 | - | Chūbu | |
| Kōwa line | Nagoya Tetsudō | 1067 | 28.8 | 1500 V = | Chūbu | |
| Kōya line | Nankai Denki Tetsudō | 1067 | 64.5 | 1500 V = | Kansai | |
| Koyo line | Hankyū Dentetsu | 1435 | 2.2 | 1500 V = | Kansai | |
| Kurama line | Eizan Dentetsu | 1435 | 8.8 | 600 V = | Kansai | |
| Kure line | JR West | 1067 | 87.0 | 1500 V = | Chūgoku | |
| Kurihama line | Keihin Kyūkō Dentetsu | 1435 | 13.4 | 1500 V = | Kanto | |
| Kurobe-Kyōkoku Line | Kurobe Kyōkoku Tetsudō | 762 | 20.1 | 600 V = | Chūbu | |
| Kururi line | JR East | 1067 | 32.2 | - | Kanto | |
| Kusatsu line | JR West | 1067 | 36.7 | 1500 V = | Kansai | |
| Kyoto main line | Hankyū Dentetsu | 1435 | 45.3 | 1500 V = | Kansai | |
| Kyoto Line | Kinki Nippon Tetsudo | 1435 | 34.6 | 1500 V = | Kansai | |
| Kyūdai main line | JR Kyushu | 1067 | 141.5 | - | Kyushu | |
| Kyushu Shinkansen | JR Kyushu | 1435 | 256.8 | 25 kV 60 Hz ~ | Kyushu |
- M-O
| Name of the route | Railway company | Track width (mm) |
Length (in km) |
Power system |
region | Remarks |
|---|---|---|---|---|---|---|
| Maizuru line | JR West | 1067 | 26.4 | 1500 V = | Kansai | |
| Meguro line | Tōkyō Kyūkō Dentetsu | 1067 | 11.9 | 1500 V = | Kanto | |
| Meishō line | JR Central | 1067 | 43.5 | - | Kansai | |
| Mikajiri line | Chichibu Tetsudo | 1067 | 7.6 | 1500 V = | Kanto | freight traffic only |
| Mikawa line | Nagoya Tetsudō | 1067 | 39.8 | 1500 V = | Chūbu | |
| Mikuni-Awara Line | Echizen Tetsudo | 1067 | 25.2 | 600 V = | Chūbu | |
| Minami-Osaka Line | Kinki Nippon Tetsudo | 1067 | 39.7 | 1500 V = | Kansai | |
| Minami Riasu Line | Sanriku Tetsudo | 1067 | 36.6 | - | Tōhoku | |
| Minato train | Hitachinaka Kaihin Tetsudō | 1067 | 14.3 | - | Kanto | |
| Minatomirai Line | Yokohama Kōsoku Tetsudō | 1067 | 4.1 | 1500 V = | Kanto | |
| Mine line | JR West | 1067 | 46.0 | - | Chūgoku | |
| Mino Akasaka Line | JR Central | 1067 | 5.0 | 1500 V = | Chūbu | Branch of the Tōkaidō main line |
| Minobu line | JR Central | 1067 | 88.4 | 1500 V = | Chūbu | |
| Minoo line | Hankyū Dentetsu | 1435 | 4.0 | 1500 V = | Kansai | |
| Misumi line | JR Kyushu | 1067 | 25.6 | - | Kyushu | |
| Mito line | JR East | 1067 | 50.2 | 20 kV 50 Hz ~ | Kanto | |
| Miyafuku line | Kyoto Tango Tetsudo | 1067 | 30.4 | 1500 V = | Kansai | |
| Miyazaki Airport Line | JR Kyushu | 1067 | 1.6 | 20 kV 60 Hz ~ | Kyushu | |
| Miyazu line | Kyoto Tango Tetsudo | 1067 | 83.8 | 1500 V = | Kansai | electrified only between Miyazu and Amanohashidate (4.4 km) |
| Mizue line | Kanagawa Rinkai Tetsudo | 1067 | 2.6 | - | Kanto | freight traffic only |
| Mizuma line | Mizuma Tetsudo | 1067 | 5.5 | 1500 V = | Kansai | |
| Mizushima main line | Mizushima Rinkai Tetsudō | 1067 | 11.2 | - | Chūgoku | |
| Mojikō retro kankō line | Heisei Chikuhō Tetsudō | 1067 | 2.1 | - | Kyushu | excursion traffic only |
| Mooka line | Mooka Tetsudo | 1067 | 41.9 | - | Kanto | |
| Mugi line | JR Shikoku | 1067 | 79.3 | - | Shikoku | |
| Mukogawa line | Hanshin Denki Tetsudō | 1435 | 1.7 | 1500 V = | Kansai | |
| Muroran main line | JR Hokkaidō | 1067 | 218.0 | 20 kV 50 Hz ~ | Hokkaidō | electrified only between Muroran and Numanohata (73.8 km) |
| Musashino line | JR East | 1067 | 100.6 | 1500 V = | Kanto | Passenger traffic only between Fuchūhommachi and Nishi-Funabashi (71.8 km) |
| Myōken line | Nose Dentetsu | 1435 | 12.2 | 1500 V = | Kansai | |
| Myōkō-Haneuma Line | Echigo Tokimeki Tetsudō | 1067 | 37.7 | 1500 V = | Chūbu | |
| Nagano line | Kinki Nippon Tetsudo | 1067 | 12.5 | 1500 V = | Kansai | |
| Nagano line | Nagano Dentetsu | 1067 | 33.7 | 1500 V = | Chūbu | |
| Nagao line | Takamatsu-Kotohira Denki Tetsudō | 1435 | 14.6 | 1500 V = | Shikoku | |
| Nagareyama line | Ryutetsu | 1067 | 5.7 | 1500 V = | Kanto | |
| Nagasaki main line | JR Kyushu | 1067 | 148.8 | 20 kV 60 Hz ~ | Kyushu | Nagayo branch line (23.5 km) is not electrified |
| Nagoya main line | Nagoya Tetsudō | 1067 | 99.8 | 1500 V = | Chūbu | |
| Nagoya Line | Kinki Nippon Tetsudo | 1435 | 78.8 | 1500 V = | Kansai Chūbu |
|
| Nakamura line | Tosa Kuroshio Tetsudo | 1067 | 43.0 | - | Shikoku | |
| Nakanoshima line | Keihan Denki Tetsudo | 1435 | 3.0 | 1500 V = | Kansai | |
| Namba line | Hanshin Denki Tetsudō | 1435 | 10.1 | 1500 V = | Kansai | |
| Namba line | Kinki Nippon Tetsudo | 1435 | 2.0 | 1500 V = | Kansai | |
| Namboku line | Kita-Ōsaka Kyūkō Dentetsu | 1435 | 5.9 | 1500 V = | Kansai | |
| Nambu line | JR East | 1067 | 45.0 | 1500 V = | Kanto | |
| Nanao line | Noto Tetsudō , JR West | 1067 | 87.5 | 1500 V = | Chūbu | Property line in Nanao only electrified between Tsubata and Wakura-Onsen (59.5 km) |
| Nankai Airport Line | Nankai Denki Tetsudō | 1067 | 8.8 | 1500 V = | Kansai | |
| Nankai main line | Nankai Denki Tetsudō | 1067 | 64.2 | 1500 V = | Kansai | |
| Nanko line | Nagoya Rinkai Tetsudō | 1067 | 11.3 | - | Chūbu | freight traffic only |
| Nara line | JR West | 1067 | 34.7 | 1500 V = | Kansai | |
| Nara line | Kinki Nippon Tetsudo | 1435 | 26.7 | 1500 V = | Kansai | |
| Narita Airport Line | Keisei Dentetsu | 1435 | 51.4 | 1500 V = | Kanto | |
| Narita line | JR East | 1067 | 119.1 | 1500 V = | Kanto | |
| Naruto line | JR Shikoku | 1067 | 8.5 | - | Shikoku | |
| Negishi line | JR East | 1067 | 22.1 | 1500 V = | Kanto | |
| Nemuro main line | JR Hokkaidō | 1067 | 443.8 | - | Hokkaidō | |
| New Keiō line | Keiō Dentetsu | 1372 | 3.6 | 1500 V = | Kanto | |
| Nichinan line | JR Kyushu | 1067 | 88.9 | 20 kV 60 Hz ~ | Kyushu | electrified only between Minami-Miyazaki and Tayoshi (2.0 km) |
| Nihonkai-Hisui Line | Echigo Tokimeki Tetsudō | 1067 | 59.3 | 1500 V = | Chūbu | |
| Nikko line | JR East | 1067 | 40.5 | 1500 V = | Kanto | |
| Nikko line | Tōbu Tetsudō | 1067 | 94.5 | 1500 V = | Kanto | |
| Nippo main line | JR Kyushu | 1067 | 467.2 | 20 kV 60 Hz ~ | Kyushu | |
| Nishikagawa Seiryu Lineage | Nishikigawa Tetsudō | 1067 | 32.7 | - | Chūgoku | |
| Nishi-Kyushu line | Matsuura Tetsudo | 1067 | 93.8 | - | Kyushu | |
| Nishio line | Nagoya Tetsudō | 1067 | 24.7 | 1500 V = | Chūbu | |
| Nissei line | Nose Dentetsu | 1435 | 2.6 | 1500 V = | Kansai | |
| Ōarai-Kashima Line | Kashima Rinkai Tetsudo | 1067 | 53.0 | - | Kanto | |
| Obama line | JR West | 1067 | 84.3 | 1500 V = | Kansai Chūbu |
|
| Odawara line | Odakyū Dentetsu | 1067 | 82.5 | 1500 V = | Kanto | |
| Ōfunato line | JR East | 1067 | 105.7 | - | Tōhoku | |
| Oga line | JR East | 1067 | 26.6 | - | Tōhoku | |
| Ogose line | Tōbu Tetsudō | 1067 | 10.9 | 1500 V = | Kanto | |
| Ōigawa main line | Ōigawa Tetsudō | 1067 | 39.5 | 1500 V = | Chūbu | |
| Ōimachi line | Tōkyō Kyūkō Dentetsu | 1067 | 12.4 | 1500 V = | Kanto | |
| Ōito line | JR East, JR West | 1067 | 105.4 | 1500 V = | Chūbu | Property border in Minami-Otari electrified only between Matsumoto and Minami-Otari (70.1 km) |
| Ōme line | JR East | 1067 | 37.2 | 1500 V = | Kanto | |
| Ōmi main line | Ōmi Tetsudō | 1067 | 47.7 | 1500 V = | Kansai | |
| Ōminato line | JR East | 1067 | 58.4 | - | Tōhoku | |
| Ōmura line | JR Kyushu | 1067 | 47.6 | 20 kV 60 Hz ~ | Kyushu | electrified only between Haiki and Huis ten Bosch (4.7 km) |
| Onoda line | JR West | 1067 | 11.6 | 1500 V = | Chūgoku | |
| Osaka line | Kinki Nippon Tetsudo | 1435 | 108.9 | 1500 V = | Kansai | |
| Osaka ring line | JR West | 1067 | 21.6 | 1500 V = | Kansai | |
| Osaka West Line | JR West | 1067 | 9.2 | 1500 V = | Kansai | |
| Oshiage line | Keisei Dentetsu | 1435 | 5.7 | 1500 V = | Kanto | |
| Ōtō line | Keihan Denki Tetsudo | 1435 | 2.3 | 1500 V = | Kansai | |
| Ōu main line | JR East | 1067 1435 |
486.3 | 20 kV 50 Hz | Tōhoku | Mixed operation with Yamagata Shinkansen between Fukushima and Shinjō Mixed operation with Akita Shinkansen between Ōmagari and Akita |
| Ōwani line | Kōnan Tetsudō | 1067 | 13.9 | 1500 V = | Tōhoku |
- R-S
| Name of the route | Railway company | Track width (mm) |
Length (in km) |
Power system |
region | Remarks |
|---|---|---|---|---|---|---|
| Rikuu East Line | JR East | 1067 | 94.1 | - | Tōhoku | |
| Rikuu West Line | JR East | 1067 | 43.0 | - | Tōhoku | |
| Rinkai line | Tōkyō Rinkai Kōsoku Tetsudō | 1067 | 23.8 | - | Kanto | |
| Rinkai main line | Sendai Rinkai Tetsudō | 1067 | 5.4 | - | Tōhoku | freight traffic only |
| Rinkai main line | Taiheiyō Sekitan Hanbai Yusō | 1067 | 12.2 | 1500 V = | Kanto | freight traffic only |
| Rinko line | Keiyō Rinkai Tetsudō | 1067 | 4.0 | 1500 V = | Kanto | freight traffic only |
| Rumoi main line | JR Hokkaidō | 1067 | 50.2 | - | Hokkaidō | |
| Ryōmō line | JR East | 1067 | 84.4 | 1500 V = | Tōhoku | |
| Ryūgasaki line | Kantō Tetsudō | 1067 | 4.5 | - | Kanto | |
| Sagami line | JR East | 1067 | 33.3 | 1500 V = | Kanto | |
| Sagamihara line | Keiō Dentetsu | 1372 | 22.6 | 1500 V = | Kanto | |
| Sagano line | JR West | 1067 | 34.2 | 1500 V = | Kansai | Part of the San'in main line operating vintage trains through the Sagano Kankō Tetsudō |
| Saikyō line | JR East | 1067 | 36.9 | 1500 V = | Kanto | |
| Saitama rapid transit line | Saitama Kōsoku Tetsudō | 1067 | 14.6 | 1500 V = | Kanto | |
| Sakai line | JR West | 1067 | 17.9 | - | Chūgoku | |
| Sakurai line | JR West | 1067 | 29.4 | 1500 V = | Kansai | |
| Sakurajima line | JR West | 1067 | 4.1 | 1500 V = | Kansai | |
| Sanda line | Kobe Dentetsu | 1067 | 12.0 | 1500 V = | Kansai | |
| Sangi line | Sangi Tetsudo | 1067 | 27.6 | 1500 V = | Chūbu | |
| Sangu line | JR Central | 1067 | 29.1 | - | Kansai | |
| San'in main line | JR West | 1067 | 676.0 | 1500 V = | Kansai Chūgoku |
electrified only between Kyōto and Kinosaki-Onsen and between Hōki-Daisen and Nishi-Izumo (229.2 km) |
| Sano line | Tōbu Tetsudō | 1067 | 22.1 | 1500 V = | Kanto | |
| San'yō main line | JR West, JR Kyushu | 1067 | 676.0 | 1500 V = | Kansai Chūgoku Kyushu |
Ownership limit in Shimonoseki |
| San'yō main line | San'yō Denki Tetsudō | 1435 | 54.7 | 1500 V = | Kansai | |
| San'yō Shinkansen | JR West | 1435 | 553.7 | 25 kV 60 Hz ~ | Kansai Chūgoku Kyushu |
|
| Sasaguri line | JR Kyushu | 1067 | 25.1 | 20 kV 60 Hz ~ | Kyushu | |
| Sasebo line | JR Kyushu | 1067 | 48.8 | - | Kyushu | |
| Sassho line | JR Hokkaidō | 1067 | 76.5 | 20 kV 50 Hz ~ | Hokkaidō | electrified only between Sōen and Hokkaidō-Iryōdaigaku (28.9 km) |
| Sayama line | Seibu Tetsudo | 1067 | 4.2 | 1500 V = | Kanto | |
| Seibuen line | Seibu Tetsudo | 1067 | 2.4 | 1500 V = | Kanto | |
| Sekihoku main line | JR Hokkaidō | 1067 | 234.0 | - | Hokkaidō | |
| Sekishō line | JR Hokkaidō | 1067 | 148.5 | - | Hokkaidō | |
| Sembouku rapid transit line | Semboku Kōsoku Tetsudō | 1067 | 14.3 | 1500 V = | Kansai | |
| Sendai Airport Line | Sendai Kūkō Tetsudō | 1067 | 7.1 | 20 kV 50 Hz ~ | Tōhoku | |
| Sendai-Futō Line | Sendai Rinkai Tetsudō | 1067 | 1.6 | - | Tōhoku | freight traffic only |
| Sendai-Nishikō Line | Sendai Rinkai Tetsudō | 1067 | 2.0 | - | Tōhoku | freight traffic only |
| Senmō main line | JR Hokkaidō | 1067 | 166.2 | - | Hokkaidō | |
| Senri line | Hankyū Dentetsu | 1435 | 13.6 | 1500 V = | Kansai | |
| Senseki line | JR East | 1067 | 50.2 | 1500 V = | Tōhoku | |
| Senseki-Tōhoku Line | JR East | 1067 | 47.2 | 1500 V = | Tōhoku | composed of parts of the Tōhoku main line and the Senseki line |
| Senzan line | JR East | 1067 | 58.0 | 20 kV 50 Hz ~ | Tōhoku | |
| Setagaya line | Tōkyō Kyūkō Dentetsu | 1372 | 5.0 | 1500 V = | Kanto | |
| Seto line | Nagoya Tetsudō | 1067 | 20.6 | 1500 V = | Chūbu | |
| Seto Ōhashi line | JR Shikoku, JR West | 1067 | 71.8 | 1500 V = | Chūgoku Shikoku |
composed of the Uno Line , the Honshi-Bisan Line and part of the Yosan Line |
| Shibayama line | Shibayama Tetsudo | 1435 | 2.2 | 1500 V = | Kanto | |
| Shido line | Takamatsu-Kotohira Denki Tetsudō | 1435 | 12.5 | 1500 V = | Shikoku | |
| Shigaraki line | Shigaraki Kōgen Tetsudō | 1067 | 14.7 | - | Kansai | |
| Shigi line | Kinki Nippon Tetsudo | 1435 | 2.8 | 1500 V = | Kansai | |
| Shima line | Kinki Nippon Tetsudo | 1435 | 24.5 | 1500 V = | Kansai | |
| Shimabara Railway Line | Shimabara Tetsudo | 1067 | 43.2 | - | Kyushu | |
| Shinano line | Shinano Tetsudo | 1067 | 65.1 | 1500 V = | Chūbu | |
| Shin'etsu main line | JR East | 1067 | 181.5 | 1500 V = | Chūbu | composed of several sections |
| Shinjuku line | Seibu Tetsudo | 1067 | 47.5 | 1500 V = | Kanto | |
| Shin Keisei Line | Shin-Keisei Dentetsu | 1435 | 26.5 | 1500 V = | Kanto | |
| Shinminato line | JR Freight | 1067 | 1.9 | - | Kanto | |
| Shinonoi line | JR East | 1067 | 66.7 | 1500 V = | Chūbu | |
| Shiomicho line | Nagoya Rinkai Tetsudō | 1067 | 3.0 | - | Chūbu | freight traffic only |
| Shizuoka-Shimizu Line | Shizuoka Tetsudo | 1067 | 11.0 | 600 V = | Chūbu | |
| Shōnan-Shinjuku line | JR East | 1067 | 89.2 | 1500 V = | Kanto | composed of parts of five different lines |
| Shōwamachi line | Nagoya Rinkai Tetsudō | 1067 | 1.1 | - | Chūbu | freight traffic only |
| Sōbu main line | JR East | 1067 | 120.5 | 1500 V = | Kanto | |
| Sōbu rapid transit line | JR East | 1067 | 60.2 | 1500 V = | Kanto | Part of the main Sōbu line |
| Sōtetsu main line | Sagami Tetsudo | 1067 | 24.6 | 1500 V = | Kanto | |
| Sotobo line | JR East | 1067 | 93.7 | 1500 V = | Kanto | |
| Sōya main line | JR Hokkaidō | 1067 | 259.4 | 20 kV 50 Hz ~ | Hokkaidō | electrified only between Asahikawa and the Kita-Asahikawa freight yard (6.6 km) |
| Suigun line | JR East | 1067 | 147.0 | - | Tōhoku | |
| Sukumo line | Tosa Kuroshio Tetsudo | 1067 | 23.6 | - | Shikoku | |
| Sunzu line | Izuhakone Tetsudō | 1067 | 19.8 | 1500 V = | Kanto | |
| Suzuka line | Kinki Nippon Tetsudo | 1435 | 8.2 | 1500 V = | Kansai |
- T-Z
| Name of the route | Railway company | Track width (mm) |
Length (in km) |
Power system |
region | Remarks |
|---|---|---|---|---|---|---|
| Tadami line | JR East | 1067 | 135.2 | - | Chūbu Tōhoku |
|
| Taga line | Ōmi Tetsudō | 1067 | 2.5 | 1500 V = | Kansai | |
| Tagawa line | Heisei Chikuhō Tetsudō | 1067 | 26.3 | - | Kyushu | |
| Taisha line | Ichibata densha | 1067 | 8.3 | 1500 V = | Chūgoku | |
| Taita line | JR Central | 1067 | 17.8 | - | Chūbu | |
| Takahama line | Iyo Tetsudō | 1067 | 9.4 | 600 V = | Shikoku | |
| Takamori line | Minamiaso Tetsudō | 1067 | 17.7 | - | Kyushu | |
| Takao line | Keiō Dentetsu | 1372 | 8.6 | 1500 V = | Kanto | |
| Takarazuka main line | Hankyū Dentetsu | 1435 | 24.5 | 1500 V = | Kansai | |
| Takasaki line | JR East | 1067 | 74.7 | 1500 V = | Kanto | |
| Takashinohama line | Nankai Denki Tetsudō | 1067 | 1.5 | 1500 V = | Kansai | |
| Takayama main line | JR Central, JR West | 1067 | 225.8 | - | Chūbu | Property line in Inotani |
| Takehana line | Nagoya Tetsudō | 1067 | 10.3 | 1500 V = | Chūbu | |
| Taketoyo line | JR Central | 1067 | 19.3 | 1500 V = | Chūbu | |
| Tama line | Odakyū Dentetsu | 1067 | 10.6 | 1500 V = | Kanto | |
| Tateyama line | Toyama Chihō Tetsudō | 1067 | 24.2 | 1500 V = | Chūbu | |
| Tamagawa line | Tōkyō Kyūkō Dentetsu | 1067 | 5.6 | 1500 V = | Kanto | |
| Tamagawa line | Seibu Tetsudo | 1067 | 8.0 | 1500 V = | Kanto | |
| Tamako line | Seibu Tetsudo | 1067 | 9.2 | 1500 V = | Kanto | |
| Tamagawa line | Nankai Denki Tetsudō | 1067 | 2.6 | 1500 V = | Kansai | |
| Tarumi line | Tarumi Tetsudo | 1067 | 34.5 | - | Chūbu | |
| Tateyama Sabō erosion control systems |
MLIT | 610 | 18.0 | - | Chūbu | Works railway |
| Tawaramoto line | Kinki Nippon Tetsudo | 1435 | 10.1 | 1500 V = | Kansai | |
| Tazawako line | JR East | 1435 | 75.6 | 20 kV 50 Hz ~ | Tōhoku | Mixed operation with Akita Shinkansen |
| Tenjin Ōmuta Line | Nishi-Nippon Tetsudo | 1435 | 74.8 | 1500 V = | Kyushu | |
| Tenri line | Kinki Nippon Tetsudo | 1435 | 4.5 | 1500 V = | Kansai | |
| Tenryu-Hamanako Line | Tenryū Hamanako Tetsudō | 1067 | 67.7 | - | Chūbu | |
| Toba line | Kinki Nippon Tetsudo | 1435 | 13.2 | 1500 V = | Kansai | |
| Tōchiku line | Nagoya Rinkai Tetsudō | 1067 | 1.3 | - | Chūbu | freight traffic only |
| Tōgane line | JR East | 1067 | 13.8 | 1500 V = | Kanto | |
| Tōhoku main line | JR East | 1067 | 572.0 | 1500 V = 20 kV 50 Hz ~ |
Kantō Tōhoku |
Mains voltage change in Kuroiso |
| Tōhoku Shinkansen | JR East | 1435 | 674.9 | 25 kV 50 Hz ~ | Kantō Tōhoku |
|
| Tōjō main line | Tōbu Tetsudō | 1067 | 75.0 | 1500 V = | Kanto | |
| Tōkaidō freight line | JR Freight | 1067 | 89.1 | 1500 V = | Kanto | freight traffic only, made up of several sections |
| Main Tōkaidō line | JR East JR Central JR West |
1067 | 589.5 | 1500 V = | Kantō Chūbu Kansai |
Property boundaries in Atami and Maibara |
| Tōkaidō Shinkansen | JR Central | 1435 | 515.4 | 25 kV 60 Hz ~ | Kantō Chūbu Kansai |
|
| Tōko line | Nagoya Rinkai Tetsudō | 1067 | 3.8 | - | Chūbu | freight traffic only |
| Tokoname line | Nagoya Tetsudō | 1067 | 29.3 | 1500 V = | Chūbu | |
| Tokushima Line | JR Shikoku | 1067 | 67.5 | - | Shikoku | |
| Toshima line | Seibu Tetsudo | 1067 | 1.0 | 1500 V = | Kanto | |
| Tōyō rapid transit line | Tōyō Kōsoku Tetsudō | 1067 | 16.2 | 1500 V = | Kanto | |
| Toyokawa line | Nagoya Tetsudō | 1067 | 7.2 | 1500 V = | Chūbu | |
| Tōyoko line | Tōkyō Kyūkō Dentetsu | 1067 | 24.2 | 1500 V = | Kanto | |
| Toyota line | Nagoya Tetsudō | 1067 | 15.2 | 1500 V = | Chūbu | |
| Tsugaru Railway Line | Tsugaru Tetsudo | 1067 | 20.7 | - | Tōhoku | |
| Tsugaru line | JR East | 1067 | 58.4 | 20 kV 50 Hz ~ | Tōhoku | electrified only between Aomori and Shin-Nakaoguni (33.7 km) |
| Tsukuba Express | Shutoken Shintoshi Tetsudō | 1067 | 58.3 | 1500 V = 20 kV 50 Hz ~ |
Kanto | Mains voltage change in Moriya |
| Tsurumi line | JR East | 1067 | 9.7 | 1500 V = | Kanto | |
| Tsushima line | Nagoya Tetsudō | 1067 | 11.8 | 1500 V = | Chūbu | |
| Tsuyama line | JR West | 1067 | 58.7 | - | Chūgoku | |
| Ube line | JR West | 1067 | 33.2 | 1500 V = | Chūgoku | |
| Uchibo line | JR East | 1067 | 119.4 | 1500 V = | Kanto | |
| Uchiko line | JR Shikoku | 1067 | 5.3 | - | Shikoku | Part of the Yosan Line |
| Ueno-Tokyo Line | JR East | 1067 | 3.6 | 1500 V = | Kanto | |
| Uetsu main line | JR East | 1067 | 271.7 | 1500 V = 20 kV 50 Hz ~ |
Chūbu Tōhoku |
Mains voltage change in Murakami |
| Uji line | Keihan Denki Tetsudo | 1435 | 7.6 | 1500 V = | Kansai | |
| Ukishima line | Kanagawa Rinkai Tetsudo | 1067 | 3.9 | - | Kanto | freight traffic only |
| Uno line | JR West | 1067 | 32.8 | 1500 V = | Chūgoku | Part of the Seto Ōhashi lineage |
| Urban Park Line | Tōbu Tetsudō | 1067 | 62.7 | 1500 V = | Kanto | until 2014: Noda line |
| Utsube line | Yokkaichi Asunarō Tetsudō | 762 | 5.7 | 750 V = | Kansai | |
| Utsunomiya line | JR East | 1067 | 159.9 | 1500 V = | Kanto | Part of the Tōhoku main line |
| Utsunomiya line | Tōbu Tetsudō | 1067 | 24.3 | 1500 V = | Kanto | |
| Wakasa line | Wakasa Tetsudo | 1067 | 19.2 | - | Chūgoku | |
| Wakayama line | JR West | 1067 | 87.5 | 1500 V = | Kansai | |
| Wakayamakō line | Nankai Denki Tetsudō | 1067 | 2.8 | 1500 V = | Kansai | |
| Watarase Keikoku Line | Watarase Keikoku Tetsudō | 1067 | 44.1 | - | Kanto | |
| Yahiko line | JR East | 1067 | 17.5 | 1500 V = | Chūbu | |
| Yamada line | JR East | 1067 | 157.5 | - | Tōhoku | |
| Yamada line | Kinki Nippon Tetsudo | 1435 | 28.3 | 1500 V = | Kansai | |
| Yamagata Shinkansen | JR East | 1435 | 148.6 | 20 kV 50 Hz ~ | Tōhoku | includes part of the Ōu main line |
| Yamaguchi line | JR West | 1067 | 93.9 | - | Chūgoku | |
| Yamaguchi line | Seibu Tetsudo | 762 | 2.8 | 750 V = | Kanto | |
| Yamanote line | JR East | 1067 | 34.5 | 1500 V = | Kanto | |
| Yamatoji line | JR West | 1067 | 54.0 | 1500 V = | Kansai | western part of the main Kansai line |
| Yodo line | JR Shikoku | 1067 | 76.3 | - | Shikoku | |
| Yōkaichi line | Ōmi Tetsudō | 1067 | 9.3 | 1500 V = | Kansai | |
| Yokogawara line | Iyo Tetsudō | 1067 | 13.2 | 750 V = | Shikoku | |
| Yokohama line | JR East | 1067 | 42.6 | 1500 V = | Kanto | |
| Yokosuka line | JR East | 1067 | 73.3 | 1500 V = | Kanto | |
| Yonesaka line | JR East | 1067 | 90.7 | - | Tōhoku | |
| Yōrō line | Yōrō Tetsudō | 1067 | 57.5 | 1500 V = | Chūbu | |
| Yosan Line | JR Shikoku | 1067 | 297.6 | 1500 V = | Shikoku | electrified only between Takamatsu and Iyoshi (205.0 km) |
| Yoshino line | Kinki Nippon Tetsudo | 1067 | 25.2 | 1500 V = | Kansai | |
| Yunomae line | Kumagawa Tetsudo | 1067 | 24.8 | - | Kyushu | |
| Yunoyama line | Kinki Nippon Tetsudo | 1435 | 15.4 | 1500 V = | Kansai | |
| Yūrakuchō line | Seibu Tetsudo | 1067 | 2.6 | 1500 V = | Kanto | |
| Zushi line | Keihin Kyūkō Dentetsu | 1435 | 5.9 | 1500 V = | Kanto |