Keiyō Line

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Template:Short description Template:Distinguish Template:Use dmy dates Template:Infobox rail line

The Template:Nihongo is a railway line connecting Tokyo and Chiba in Japan, paralleling the edge of Tokyo Bay. It is operated by the East Japan Railway Company (JR East). The line forms part of what JR East refers to as the Template:Nihongo around Tokyo, consisting of the Keiyō Line, Musashino Line, Nambu Line, and Yokohama Line.<ref name="dj364">Template:Cite magazine</ref> It provides the main rail access to 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 approximately halfway to Yūrakuchō Station. This means transferring between other lines at Tokyo Station can take between 15 and 20 minutes.

The name "Keiyō" is derived from the second character of the names of the locations linked by the line, Template:Nihongo and Template:Nihongo. It should not be confused with the Keiō Line, a privately operated commuter line in western Tokyo.

Services

Map of the Keiyō Line and surrounding JR lines
  • Template:Color box Keiyō Line "Local" (各駅停車 kakueki-teisha)trains stop at all stations between Tokyo and Soga except Nishi-Funabashi.
  • Template:Color box Musashino Line ''Local'' through trains stop at all stations between Tokyo and Nishi-Funabashi before continuing to the Musashino Line. Some trains originate at Kaihin-Makuhari, stopping at Makuhari-Toyosuna, Shin-Narashino, Minami-Funabashi, and Nishi-Funabashi before continuing onto the Musashino Line.
  • Template:Color box Keiyō Line "Rapid" (快速 kaisoku) trains stop at Tokyo, Hatchōbori, Shin-Kiba, Maihama, Shin-Urayasu, Minami-Funabashi, Kaihin-Makuhari, and all stops to Soga.

Former service

  • Template:Color box Template:Nihongo trains stopped at Tokyo, Hatchōbori, Shin-Kiba, and Soga, with many operating through to the Sotobo line and Togane line, terminating at Naruto, Katsuura, or Kazusa-Ichinomiya. Commuter rapid trains traveled into Tokyo during the morning rush hour, and away from Tokyo during the evening rush hour. The commuter rapid service was discontinued with effect from the timetable revision implemented on 16 March 2024.<ref name="CRended">Template:Cite web</ref>

2024 timetable revision

With the JR East timetable revision on 16 March 2024, the Keiyo line now has reduced rapid services across the day, and abolished the commuter rapid services during rush hours. Specifically, rapid trains no longer operate in the morning and evening rush hours, with only 2 rapid services originating in Soga remaining. During these times of the day, only local all-stop trains operate. Subsequently, the Wakashio and Sazanami limited express services are the only express services from the Uchibo and Sotobo lines during rush hours.

The government of Chiba condemned the timetable revision, stating that it has caused inconvenience for commuters to and from central Tokyo who travel long distances from Chiba, as local trains take up to 15 minutes longer than rapid services across the entirety of the line. Furthermore, this places some areas of Chiba Prefecture out of the 1-hour commute zone from Central Tokyo, reducing land value, and causing further reason for a decease in population. Some have theorised that this is a strategy by the Tokyo government to centralise the population around the city's core, discouraging long distance commutes.

Station list

  • All trains (except limited express services) stop at stations marked "●" and pass those marked "｜". Trains do not travel past those stations marked "∥".
  • For the Wakashio and Sazanami limited express services, see their respective articles.
No. Station Japanese Distance (km) Keiyō
Line 		Musashino
Line (thru) 		Transfers Location
Between
stations 		Total Local Rapid Musashino-Chiba Musashino-Tokyo
Template:JRSN Template:STN 東京 - 0.0 ● ●   ● Template:Plainlist Chiyoda Tokyo
Template:JRSN Template:STN 八丁堀 1.2 1.2 ● ● ● Template:TSLS Tokyo Metro Hibiya Line (H-12) Chūō
Template:JRSN Template:STN 越中島 1.6 2.8 ● ｜ ●   Kōtō
Template:JRSN Template:STN 潮見 2.6 5.4 ● ｜ ●  
Template:JRSN Template:STN 新木場 2.0 7.4 ● ● ● Template:Plainlist
Template:JRSN Template:STN 葛西臨海公園 3.2 10.6 ● ｜ ●   Edogawa
Template:JRSN Template:STN 舞浜 2.1 12.7 ● ● ● Disney Resort Line (Template:STN) Urayasu Chiba
Template:JRSN Template:STN 新浦安 3.4 16.1 ● ● ●  
Template:JRSN Template:STN 市川塩浜 2.1 18.2 ● ｜ ●   Ichikawa
Template:JRSN Template:STN 西船橋 5.9 24.1 ∥
<ref group="*">Keiyō trains between Tokyo and Soga do not pass through Nishi-Funabashi.</ref> 		∥ ● ● Template:Plainlist Funabashi
Template:JRSN Template:STN 二俣新町 4.4 22.6 ● ｜ ∥
<ref group="*">Musashino Line trains do not pass through Futamatashimmachi.</ref> 		Distance is from Ichikawashiohama Ichikawa
Template:JRSN Template:STN 南船橋 3.4 26.0 ● ● ● Distance between Nishi-Funabashi and Minami-Funabashi is 5.4 km Funabashi
Template:JRSN Template:STN 新習志野 2.3 28.3 ● ｜ ●   Narashino
Template:JRSN Template:STN 幕張豊砂 1.7 30.0 ● ｜ ● New station which opened on 18 March 2023.<ref name="new_station_plan">Template:Cite web</ref><ref name="new_station_jr_pr1">Template:Cite web</ref><ref name="2023_timetable">Template:Cite web</ref> Mihama-ku, Chiba
Template:JRSN Template:STN 海浜幕張 1.7 31.7 ● ● ●  
Template:JRSN Template:STN 検見川浜 2.0 33.7 ● ●  
Template:JRSN Template:STN 稲毛海岸 1.6 35.3 ● ●  
Template:JRSN Template:STN 千葉みなと 3.7 39.0 ● ● Chiba Urban Monorail: Line 1 Chūō-ku, Chiba
— Template:STN 蘇我 4.0 43.0 ● ● Template:Plainlist

Template:Reflist

Rolling stock

All Keiyō Line and Musashino Line rolling stock is based at the Keiyō Rolling Stock Center near Shin-Narashino Station.

Keiyō Line

Musashino Line through services

Template:Main

Former rolling stock

Keiyō Line

  • 103 series 4/6/10-car EMUs (sky blue livery) (from 1986 until November 2005)
  • 165 series 3-car EMU (x1) Shuttle Maihama (from 1990 until 1995)
  • 201 series 10-car EMUs (sky blue livery) (from August 2000 until 20 June 2011)<ref name="railfan20110621">Template:Cite web</ref>
  • 205-0 series 10-car EMUs (magenta stripe) (from March 1990 until 2011)
  • E331 series 14-car EMU (x1) (magenta stripe) (from March 2007 until 2011)<ref name="rmnews20140327">Template:Cite web</ref>

Musashino Line through services

Inter-running from the Musashino Line to the Keiyō Line commenced on 1 December 1988.<ref name="JRfutabasha2013">Template:Cite book</ref>

  • 103 series 6-car (later 8-car) EMUs (orange livery) (from 1 December 1988 - 8 December 2005)
  • 201 series 6-car EMUs (orange livery) (from 1 December 1988 - November 1996)
  • 205-0 series 8-car EMUs (orange/brown stripe) (from December 1991 - October 2019)
  • 205-5000 series 8-car EMUs (orange/brown stripe) (from 2002 - 19 October 2020)

Timeline

Template:Simple Horizontal timeline

History

The Keiyo Line was initially planned as a freight-only line. Its first section opened on 10 May 1975 as a Template:Convert link between the Chiba Freight Terminal (now the Mihama New Port Resort between Inagekaigan and Chibaminato Stations) and the freight yard next to Soga Station.<ref name="teishajo1998">Template:Cite book</ref> Passenger service began on 3 March 1986 between Template:STN and Template:STN, and was extended east to Soga and west to Shin-Kiba on 1 December 1988.<ref name="teishajo1998"/>

Planners originally envisioned the Keiyo freight line to go to Tokyo Freight Terminal, with connections to Tokaido Main Line, thus completing the outer loop for freight trains around Tokyo formed by the Musashino Line.The Rinkai Line reused the partially completed tunnel from Shin-Kiba to Tokyo Freight Terminal, with portion of tracks within the latter serving as a depot. The disused tracks between Tokyo Freight Terminal and Tokaido Line is now planned to be used for the Haneda Access Line.

The final section of the Keiyo Line between Tokyo and Shin-Kiba opened on 10 March 1990.<ref name="teishajo1998" /> The platforms at Tokyo Station were originally built to accommodate the Narita Shinkansen, a planned (but never built) high-speed rail line between central Tokyo and Narita International Airport.<ref>Template:Cite news Template:Registration required</ref>

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 Keiyo Line, it is only used by passenger trains in charter service, usually carrying groups to the Tokyo Disney Resort.

Timeline

Future plans

There is also a concept of introducing 12-car trains with Green Car capacities, much like the current status of the Chuo Line running from Tokyo to Takao, although it is viewed as unlikely due to the cost of platform expansion.Template:Needs citation

References

Template:Reflist

Template:Commons category

Template:Tokyo transit Template:East Japan Railway Company Lines

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