Keiyō Line
From Wikipedia, the free encyclopedia
| Keiyō Line | |
|---|---|
 Keiyō and Sotobō Line trains at Soga Station |
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| Info | |
| Type | Commuter rail |
| Locale | Tokyo - Chiba Prefecture |
| Termini | Tokyo Soga |
| Operation | |
| Opened | 1975 (passenger service 1986) |
| Owner | JR East |
| Depot(s) | Narashino |
| Technical | |
| Line length | 43 km |
| Track gauge | 1,067 mm |
| Electrification | Overhead catenary 1,500 V DC |
The Keiyō Line (京葉線 Keiyō-sen) is a 43 km 1,067 mm (3 ft 6 in) gauge railway connecting Tokyo and Chiba, Japan, running mainly along the edge of Tokyo Bay. It is operated by the East Japan Railway Company (JR East).
It is the main rail access to the Tokyo Disney Resort and the Makuhari Messe exhibition center. The terminus at Tokyo Station is located underground, some distance to the south of the main station complex about half way to Yūrakuchō Station. This means transfer between other lines at Tokyo Station can take between 15 and 20 minutes.
The name Keiyō is derived from the second characters of the names of the locations linked by the line, Tōkyō (東京) and Chiba (千葉). It is occasionally confused with the Keiō Line, a different railway line in western Tokyo.
Contents |
[edit] History
The Keiyō Line was initially planned as a freight-only line. Its first segment opened in 1975 as a link between the Chiba Freight Terminal Station (now the Mihama New Port Resort between Inage-Kaigan and Chiba-Minato Stations) and the JFE Steel factory near Soga Station. Passenger service began in 1986 between Nishi-Funabashi and Chiba-Minato, and was extended eastward to Soga and westward to Shin-Kiba in 1988.
The final segment of the Keiyō Line, between Tokyo Station and Shin-Kiba, opened in 1990. The platforms at Tokyo Station were originally built to accommodate the Narita Shinkansen, a planned (but never built) high-speed rail line between Tokyo and Narita International Airport.
Planners originally envisioned the Keiyō Line interfacing with the Rinkai Line at Shin-Kiba, thus providing a through rail connection between Chiba and the Tokyo Freight Terminal in eastern Shinagawa, and also completing the outer loop for freight trains around Tokyo formed by the Musashino Line. This original plan would also allow through service with the Tōkaidō Main Line, allowing freight trains from central and western Japan to reach Chiba and points east.
However, in the 1990s, as the artificial island of Odaiba began developing as a commercial and tourist area in the middle of the Rinkai Line route, the Rinkai Line was re-purposed for use as a passenger line. While there is a through connection between the Rinkai Line and the Keiyō Line, it is only used by passenger trains in charter service, usually carrying groups to the Tokyo Disney Resort.
[edit] Services
- Keiyō Line local trains stop at all stations between Tokyo and Soga except Nishi-Funabashi.
- Keiyō Line rapid service trains stop at Tokyo, Hatchōbori, Shin-Kiba, Maihama, Shin-Urayasu, Minami-Funabashi, Kaihin-Makuhari and all stops to Soga.
- Musashino Line local trains stop at Nishi-Funabashi, Minami-Funabashi, Shin-Narashino, and Kaihin-Makuhari.
- Musashino Line rapid service trains stop at all stations between Tokyo and Nishi-Funabashi before continuing to the Musashino Line.
- Commuter rapid service (通勤快速 tsūkin-kaisoku) trains stop at Tokyo, Hatchōbori, Shin-Kiba, and Soga.
- All Limited Express trains stop at Tokyo (terminus) and Soga, and some of them, at Kaihin-Makuhari. They run through to/from the Uchibō Line (Sazanami) or Sotobō Line (Wakashio).
[edit] Stations
- ^ a b This train enters the Musashino Line in lieu of this segment.
- ^ stop only Saturdays and holidays
- ^ Musashino Rapid trains do not run through Futamata-Shinmachi.
- ^ Keiyō trains between Tokyo and Soga do not run through Nishi-Funabashi.
- ^ From Futamata-Shinmachi. (From Nishi-Funabashi, 5.4km)
- ^ Terminus for most trains on this route.
- ^ Some Local and Keiyō Rapid, and all Commuter Rapid trains, run through to the Uchibō Line (mainly Kimitsu Station or Kazusa-Minato Station) or the Sotobō Line (mainly Kazusa-Ichiomiya Station or Katsuura Station, or Oami Station on the Togane Line)
[edit] Rolling stock
All Keiyō Line rolling stock is based at the Keiyō Rolling Stock Center near Shin-Narashino Station
[edit] Rolling stock currently used
- 201 series 10-car EMUs (sky blue livery) (from August 2000)
- 205 series 10-car EMUs (magenta stripe) (from March 1990)
- 209-500 series 10-car EMUs (magenta stripe) (from October 2008)
- E331 series 14-car EMU (x1) (magenta stripe) (from March 2007)
[edit] Rolling stock on order
- E233 series 10-car EMUs (x25) (magenta stripe) (from summer 2010)[1]
[edit] Rolling stock used in the past
- 103 series 10-car EMUs (sky blue livery) (from 1986 until November 2005)
- 165 series 3-car EMU (x1) "Shuttle Maihama" (from 1990 until 1995)
[edit] References
- ^ JR East press release: "京葉線に最新型電車を導入" (2 September 2009). Retrieved on 2 September 2009. (Japanese)
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