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The is a 37.9-km railway line in western
Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and List of cities in Japan, largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, ...
, Japan, owned by the
private railway A private railway is a railroad run by a private business entity (usually a corporation but not need be), as opposed to a railroad run by a public sector. Japan In Japan, , commonly simply ''private railway'', refers to a public transit railway o ...
operator Keiō Corporation. It connects Shinjuku,
Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and List of cities in Japan, largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, ...
, with the suburban city of Hachiōji. The Keiō Line is part of a network with interchanges and through running to other lines of Keiō Corporation: the Keiō New Line,
Keiō Sagamihara Line The is a Japanese railway line operated by the private railway operator Keio Corporation, connecting Hashimoto Station (Kanagawa), Hashimoto Station in Sagamihara, Kanagawa, Sagamihara, Kanagawa Prefecture and Chōfu Station (Tokyo), Chōfu Sta ...
, the
Keiō Keibajō Line The is a railway line in Fuchū, Tokyo, Japan, owned and operated by the private railway operator Keio Corporation. It connects on the Keiō Line and , and services the Tokyo Racecourse as well as the surrounding suburbs. Services During weekda ...
, the
Keiō Dōbutsuen Line The is a railway line in Hino, Tokyo, Japan, owned by the Keio Corporation, which connects Takahatafudō on the Keiō Main Line and Tama-Dōbutsukōen (for Tama Zoo and the Keio Rail-Land railway amusement park). It is a single track of ...
, the
Keiō Takao Line The is a railway line operated by the Japanese private railway operator Keio Corporation. The line connects Kitano Station on the Keio Line, to Takaosanguchi Station, and offers access to Mount Takao at the terminal. It is gauge, electrified ...
, and the gauge Keiō Inokashira Line.


Services

Six different types of limited-stop services are operated on the Keiō Line, along with local trains. Destinations are from Shinjuku unless otherwise indicated. English abbreviations are tentative for this article. ; : Also known as for short. Until 2001 it was called . ; (R) : Most services for Hashimoto and Keiō-Tama-Center on the Sagamihara Line, and Takaosanguchi on the Takao Line ; (SeE) : Most bound for on the Sagamihara Line. Until 2013, these were weekday-only services called . ; (E) :Most services run from the Toei Shinjuku Line locally and used as the express on the Sagamihara Line via Chōfu in mornings and evenings; other services in mornings and evenings are bound for Keiō-Hachiōji, Takaosanguchi and Takahatafudō.During race days at
Tokyo Racecourse is located in Fuchu, Tokyo, Japan. Built in 1933 for horse racing, it is considered the "racecourse of racecourses" in Japanese horseracing. It has a capacity of 223,000, with seating for 13,750. Tokyo Racecourse hosts numerous G1 (Grade 1) r ...
, express services run through on the Keibajō Line to Fuchukeibajō-Shōmonmae; there is also direct express service through on the Dōbutsuen Line to Tama-Dōbutsukōen.
; (SpE) : Most services bound for Keiō-Hachiōji and Takaosanguchi can make the run from Shinjuku in 37 minutes and 39 minutes respectively. ; Mt. TAKAO (MT) : Reserved-seat supplementary-fare services between Shinjuku and Takaosanguchi on the Takao Line. Services operate weekends and holidays with three round-trips. Trains to Takaosanguchi run nonstop after Meidaimae, while trains to Shinjuku make additional stops to receive passengers. ; (KL) : Reserved-seat supplementary-fare services between Shinjuku and either Keiō-Hachiōji or Hashimoto. Services operate seven days a week, with services to Shinjuku in the morning and from Shinjuku in the evening. Fewer trains operate on weekends and holidays. On trains from Shinjuku, reserved seat tickets are only required up to the first train stop after Meidaimae, after which the train's seats become unreserved.


Stations

* All stations are located in
Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and List of cities in Japan, largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, ...
. * Local trains stop at all stations. Legend:
● - all trains stop at this station
◇ - trains stop at this station during special events
▲ - Shinjuku-bound trains stop to pick up passengers
|- all trains pass
R - Rapid; SeE - Semi Express; E - Express; SpE - Special Express; KL - Keiō Liner; MT - Mt.TAKAO Events at stations marked with a "◇" symbol for which trains make special seasonal stops: *
Fuda Station is a passenger railway station located in the city of Chōfu, Tokyo, Japan, operated by the private railway operator Keio Corporation. Lines Fuda Station is served by the Keio Line, and is located 14.9 kilometers from the starting point of ...
: Chofu City Fireworks Festival * Tobitakyū Station: Soccer games, concerts, etc. at Ajinomoto Stadium * Higashi-Fuchū Station: Events (including the Arima Kinen) at
Tokyo Racecourse is located in Fuchu, Tokyo, Japan. Built in 1933 for horse racing, it is considered the "racecourse of racecourses" in Japanese horseracing. It has a capacity of 223,000, with seating for 13,750. Tokyo Racecourse hosts numerous G1 (Grade 1) r ...
; transfer to the Keiō Keibajō Line * Nakagawara Station: Seiseki-Tamagawa Fireworks Festival * Mogusaen Station: Saturdays and holidays during the Plum Blossom Festival


History

The Shinjuku to Chōfu section opened in 1913 as a gauge interurban line electrified at 600 V DC, and was progressively extended in both directions so that the line connected Shinjuku and Fuchu in 1916. The Sasazuka to Fuchu section was double-tracked between 1920 and 1923. The extension to Higashi-Hachiōji (now Keiō-Hachiōji) was completed by a related company, Gyokunan Electric Railway, in 1925. This electrified line was built to the Japanese standard narrow gauge of in an attempt to seek a government subsidy, and so trains from each railway could not operate on the other's tracks. The subsidy application was rejected on the basis that the line competed with the
Japanese Government Railways The Japanese Government Railways (JGR) was the national railway system directly operated by the Japanese Ministry of Railways ( ja, 鉄道省, Tetsudō-shō, ) until 1949. It was a predecessor of Japanese National Railways and the later Japan Ra ...
(JGR) Chūō Main Line, and so the Gyokunan Electric Railway merged with the Keiō Electric Railway Co., the line was regauged to 1,372 mm, and operation of trains from Shinjuku to Higashi-Hachiōji commenced in 1928. The Fuchu to Nakagawara and Seiseki-Sakuragaoka to Kitano sections were double-tracked in 1929. In 1963, the original terminus at Shinjuku and the streetrunning section on what is today
Japan National Route 20 is a national highway connecting Tokyo and Shiojiri, Nagano prefecture in Japan. Originating at Nihonbashi in Chūō, Tokyo, it passes through Shinjuku and four other wards, and then seven cities, including Hachiōji in Tokyo. It follows a ...
towards Sasazuka Station was moved to an underground alignment. Additionally the overhead line voltage was increased to 1,500 V DC. The Nakagawara to Seiseki-Sakuragaoka section was double-tracked in 1964. The Kitano to Keiō-Hachiōji section was double-tracked in 1970, and the relocation of the terminal station underground was completed in 1989. From the start of the revised timetable introduced on 25 September 2015, Semi Special Express services were also to stop at Sasazuka and Chitose-Karasuyama stations, and Semi Express services will also stop at Sengawa Station. The flat junction west of Chofu station between the Keiō Line and Keiō Sagamihara Line has been a source of congestion in the entire Keiō network for years. Keiō has reconfigured the station and put the entire junction and Chofu Station underground to improve operations and separate traffic between the two lines. The underground section of the Keiō around Chofu Station to Kokuryo was completed in 2012.


Level crossings and congestion

The Keiō Line is infamous for its
level crossing A level crossing is an intersection where a railway line crosses a road, path, or (in rare situations) airport runway, at the same level, as opposed to the railway line crossing over or under using an overpass or tunnel. The term a ...
s, of which the 25 lying on the 7.2-kilometer section between Sasazuka and Sengawa stations are classified by the
Tokyo Metropolitan Government The is the government of the Tokyo Metropolis. One of the 56 prefectures of Japan, the government consists of a popularly elected governor and assembly. The headquarters building is located in the ward of Shinjuku. The metropolitan governme ...
Construction Bureau as ''akazu no fumikiri'' as they are closed to road traffic for over 40 minutes in an hour. Congestion on the Keiō Line is also a concern, with trains often running as close as 1 minute apart during rush hours. In 2016, Keiō and the Tokyo Metropolitan Government Construction Bureau proposed that the section between Sasazuka and Chofu be grade separated and widened to quadruple-track to reduce the effects caused by the present bunching on the existing at-grade double-tracked line. Later the proposal evolved to call for two separate sets of tracks each dedicated to express and local services, similar to the Keiō and Keiō New lines between Sasazuka and Shinjuku Stations. With the completion of the undergrounding between Chofu and Kokuryo Stations in 2012, construction has started on elevating the line between Sasazuka and Sengawa Stations. The government has planned the grade-separating project for this section of line to be completed by 2022, but this date has been delayed due to land acquisition issues. Keiō has proposed later phase for the whole corridor involves building another underground set of tracks for express services between Sasazuka and Chofu, effectively quadruple tracking the corridor. The design of Chofu Station after the completion of the undergrounding works in 2012 allows for the inclusion of another set of underground express tracks in the future.


References

This article incorporates material from the corresponding article in the Japanese Wikipedia.


External links


Keiō Corporation website


{{DEFAULTSORT:Keio Line Lines of Keio Corporation Railway lines in Tokyo 4 ft 6 in gauge railways in Japan Railway lines opened in 1913 1913 establishments in Japan