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E231 series EMU on the Takasaki Line
|Locale||Tokyo, Saitama, Gunma prefectures|
|Line length||74.7 km (46.4 mi)|
|Track gauge||1,067 mm (3 ft 6 in)|
|Electrification||1,500 V DC overhead catenary|
|Operating speed||120 km/h (75 mph)|
The Takasaki Line (高崎線 Takasaki-sen?) is a Japanese railway line which runs between Ōmiya Station in Saitama, Saitama Prefecture and Takasaki Station in Takasaki, Gunma Prefecture. It is owned and operated by the East Japan Railway Company (JR East).
All services on the line (excluding through Shonan-Shinjuku Line trains) run to/from Ueno Station in Tokyo via the Tōhoku Main Line. The line is proposed to be extended to Tokyo Station via the Tōhoku Jūkan Line currently under construction.
As the Takasaki Line serves many major cities within Saitama Prefecture, it is a vital means of transport within the prefecture. National Route 17 and its historical predecessor, the Nakasendō, run parallel to the line.
Services on the Takasaki Line are typically divided into those starting and terminating at Ueno and Shōnan-Shinjuku Line through services from Shinjuku, Ikebukuro, and points south. Between Ueno and Ōmiya, trains share the track with the Tōhoku Main Line (Utsunomiya Line), both of which serve as de facto express services compared to the parallel Keihin-Tōhoku Line. Service on the line is provided by 15-car E231 series and E233-3000 series four-door suburban commuter EMUs with two Green cars; north of Kagohara, this is reduced to 10-cars.
Limited express / express
Prior to the opening of the Jōetsu Shinkansen in 1982 and the Nagano Shinkansen in 1997, many Niigata- and Nagano-bound limited express and express services used the line, including the Toki, Asama, and Hakutaka. However, the Shinkansen reduced the need for most of these limited express services, and only a few remain. These include:
- Akagi / Swallow Akagi (four Ueno-bound and six Maebashi-bound services daily)
- Minakami (three round-trips daily between Ueno and Minakami)
- Kusatsu (three round-trips daily between Ueno and Manza-Kazawaguchi)
- Akebono (once daily night train between Ueno and Aomori)
- Hokuriku, Noto (once daily night trains between Ueno and Kanazawa)
Home Liner Kōnosu
Four trains bound for Kōnosu depart Ueno every weekday evening. Passengers can board only at Ueno; all other stations are for disembarking only. Service is provided by 7-car 185 series and 9-car 489 series EMU trainsets.
Local/rapid services to/from Ueno
Commuter rapid services operate on weekday evenings only.
Rapid Urban services run between Ueno and Takasaki, skipping some intermediate stations. There are two Takasaki-bound services every morning and seven Takasaki/Maebashi-bound and five Ueno-bound services on weekend evenings (replacing weekday commuter rapid services).
Local trains run approximately four times hourly; one or two of those terminates at Kagohara, while the rest terminate at Takasaki, Shin-Maebashi, or Maebashi.
Shōnan-Shinjuku Line services
Within the Takasaki Line, Shōnan-Shinjuku Line special rapid and rapid trains are each operated once per hour. Unlike regular Ueno bound or originating trains, they bypass Saitama-Shintoshin station as it has no platform for the tracks used by the Shonan-Shinjuku line. Previously bypassed Urawa station now has a newly constructed platform that entered service in March 2013.
All trains are 10- or 15-car E231 or E233 series EMUs.
Special rapid trains operate once hourly to Takasaki, making limited stops. They skip Ebisu Station.
Rapid trains operate once hourly to Kagohara, stopping at all stations while within the Takasaki Line; this increases 2-3 times an hour during the mornings and evenings, when Takasaki-, Odawara-, and Kozu-bound trains also operate. North of Kagohara, all services are operated with 10-car trainsets.
- Local trains, excluding Shōnan-Shinjuku Line through trains, stop at all stations (except Nippori).
- All rapid, Home Liner, and Shōnan-Shinjuku Line trains stop at stations marked "●"; some stop at those marked "▲"; and all trains pass those marked "｜".
- For limited express, express, and seasonal rapid Moonlight Echigo services, please see their respective articles.
|Line name||Station||Japanese||Distance (km)||Rapid Urban||Comm. Rapid||Home Liner Kōnosu||Shōnan-
|From Ueno||From Ōmiya||Rapid||Special
|Through services via the Shōnan-Shinjuku Line to Ikebukuro and Shinjuku and the Tōkaidō Line to Hiratsuka, Kōzu, and Odawara|
|Tōhoku Main Line||Ueno||上野||-||0.0||26.9||●||●||●||∥||∥||Tōhoku Shinkansen, Yamagata Shinkansen, Akita Shinkansen, Jōetsu Shinkansen, Nagano Shinkansen, Yamanote Line, Keihin-Tōhoku Line, Tōhoku Main Line (Utsunomiya Line), Jōban Line
Tokyo Metro Ginza Line (G-16)
Tokyo Metro Hibiya Line (H-17)
Keisei Main Line (Keisei Ueno)
|Akabane||赤羽||5.0||9.8||17.1||●||●||｜||■||■||Keihin-Tōhoku Line, Shōnan-Shinjuku Line, Saikyō Line|
|Urawa||浦和||11.0||20.8||6.1||●||●||●||｜||｜||Keihin-Tōhoku Line||Urawa-ku, Saitama||Saitama|
|Saitama-Shintoshin||さいたま新都心||4.5||25.3||1.6||｜||｜||｜||｜||｜||Keihin-Tōhoku Line||Ōmiya-ku, Saitama|
|Ōmiya||大宮||1.6||26.9||0.0||●||●||●||●||●||Tōhoku Shinkansen, Yamagata Shinkansen, Akita Shinkansen, Jōetsu Shinkansen, Nagano Shinkansen, Keihin-Tōhoku Line, Tōhoku Main Line (Utsunomiya Line), Shōnan-Shinjuku Line, Saikyō Line, Kawagoe Line
Tōbu Noda Line
Ina Line (New Shuttle)
|Kumagaya||熊谷||4.8||61.3||34.4||●||●||●||●||Jōetsu Shinkansen, Nagano Shinkansen
Chichibu Main Line
|Kumagaya Freight Terminal||熊谷貨物ターミナル||4.9||66.2||39.3||｜||｜||｜||｜||Chichibu Railway Mikajiri Line (freight)|
|Jimbohara||神保原||4.0||86.6||59.7||●||●||●||●||Kamisato, Kodama District|
|Kuragano[* 1]||倉賀野||6.1||97.2||70.3||●||●||●||●||Hachikō Line[* 2]|
|Takasaki||高崎||2.5||101.6||74.7||●||●||●||●||Jōetsu Shinkansen, Nagano Shinkansen, Jōetsu Line (some through service), Ryōmō Line,[* 3] Agatsuma Line,[* 3] Shin'etsu Main Line
Jōshin Dentetsu Jōshin Line
|Through services via the Jōetsu Line to Shin-Maebashi and via the Ryōmō Line to Maebashi|
- Between Kuragano and Takasaki stations lies the former Takasaki Classification Yard (高崎操車場?). It is currently used by switching locomotives and freight trains waiting for passenger trains to pass.
- All Hachikō Line trains run through to Takasaki.
- Although the official terminus of the Ryōmō Line is at Shin-Maebashi and that of the Agatsuma Line is at Shibukawa, trains on both lines run through to Takasaki.
- "JR東日本 高崎線・両毛線 E233系3000番代営業運転開始" [JR East E233-3000 series enter revenue service on Takasaki and Ryomo Lines]. Tetsudō Daiya Jōhō Magazine (Japan: Kōtsū Shimbun) 41 (343): p.78. November 2012.
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