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Chiyoda Line

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Chiyoda Line
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A Chiyoda Line 16000 series train
Overview
Other nameLine 9
Native name千代田線
StatusIn service
OwnerTokyo Metro Co., Ltd.
Line numberC
LocaleTokyo
Termini
Stations20
Color on map     Green
Service
TypeHeavy rail rapid transit
SystemTokyo subway (Tokyo Metro)
Operator(s)Tokyo Metro Co., Ltd.
Depot(s)Ayase, Yoyogi
Rolling stockTokyo Metro 16000 series
Tokyo Metro 05 series (for Kita-Ayase Branch Line)
Odakyu 4000 series
Odakyu 60000 series MSE
JR East E233-2000 series
Daily ridership1,447,730 (2017)[1]
History
Opened20 December 1969; 56 years ago (1969-12-20)
Last extension1979
Technical
Line length24.0 km (14.9 mi)
Number of tracks2
Track gauge1,067 mm (3 ft 6 in)
Minimum radius160.2 m (526 ft) (Main line)
143.8 m (472 ft) (Branch line)
ElectrificationOverhead line, 1,500 V DC
Operating speed80 km/h (50 mph) (Ayase - Yoyogi-Uehara
60 km/h (37 mph) (Kita-Ayase-Ayase)
SignallingCab signalling, Closed block
Train protection systemNew CS-ATC, ATO
Maximum incline3.5%
Route map

Legend
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Odakyū Odawara Line for Odawara
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C-01
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 Yoyogi-Uehara
Odakyu Odawara Line icon, O-H. Odakyū Odawara Line
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 Yoyogi-Hachiman
Odakyu Odawara Line icon, O-H.
Odawara Line
for Shinjuku
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Yoyogi Depot
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C-02
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 Yoyogi-koen
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 Harajuku
Image Yamanote Line
C-03
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 Meiji-Jingumae
Image Fukutoshin Line
C-04
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 Omotesandō
Ginza LineImage Ginza and Hanzōmon lines
C-05
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 Nogizaka
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Toei Ōedo Line
C-06
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 Akasaka
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Ginza and
Marunouchi lines
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 Tameike-Sanno
ImageImage Ginza and Namboku lines
C-07
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 Kokkai-gijidōmae
Image Marunouchi Line
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Servicing connection to Yūrakuchō Line
C-08
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 Kasumigaseki
ImageImage Marunouchi and Hibiya lines
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Marunouchi Line
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Mita Line
C-09
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 Hibiya
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 Yūrakuchō
Image Yamanote and Keihin-Tohoku lines
C-10
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 Nijūbashimae
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 Tokyo
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Marunouchi, Yamanote
and Keihin–Tōhoku lines
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 Ōtemachi
ImageImage Tōzai, Mita,
C-11
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ImageImage Marunouchi and Hanzōmon lines
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 Awajichō
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C-12
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 Shin-Ochanomizu
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 Ochanomizu
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C-13
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 Yushima
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Toei Ōedo Line
C-14
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 Nezu
C-15
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 Sendagi
C-16
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 Nishi-Nippori
ImageImage Yamanote and Keihin-Tohoku lines
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Nippori-Toneri Liner
C-17
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 Machiya
Icon for the Keisei Main Line. Keisei Main Line, Toden Arakawa Line
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Joban Line/Hibiya Line/Tobu Line for central Tokyo
C-18
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 Kita-Senju
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JR Joban, Tobu Skytree Line,
Tsukuba Express
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Arakawa River
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Central Circular Route
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Ayase River
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Shuto Expressway Line 6 Misato Route
C-19
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 Ayase
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Ayase Branch Line splits from Joban Line
C-20
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 Kita-Ayase
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Ayase Depot
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 ImageImage Joban
Rapid and Local Line
for Matsudo, Abiko, Toride

The Chiyoda Line (千代田線, Chiyoda-sen) is a subway line owned and operated by Tokyo Metro in Tokyo, Japan. On average, the line carries 1,447,730 passengers daily (2017), the second highest of the Tokyo Metro network, behind the Tōzai Line (1,642,378).[1]

The line was named after the Chiyoda ward, under which it passes. On maps, diagrams and signboards, the line is shown using the color green, and its stations are given numbers using the letter "C".

Overview

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The 24.0 km (14.91 mi) line serves the wards of Adachi, Arakawa, Bunkyō, Chiyoda, Minato and Shibuya, and a short stretch of tunnel in Taitō with no station. Its official name, rarely used, is Line 9 Chiyoda Line (9号線千代田線, kyūgō sen Chiyoda-sen). The Chiyoda Line was built as a bypass for the older Hibiya Line, with both lines following a similar route and having direct interchanges at three stations. Trains have through running onto other railway lines on both ends. More than half of these are trains to the northeast beyond Ayase onto the East Japan Railway Company (JR East) Joban Line to Abiko (Toride during the rush hour). The rest run to the southwest beyond Yoyogi-Uehara onto the Odakyu Odawara Line to Isehara.

Services on the Kita-Ayase branch consist of a combination of shuttle services to Ayase and through services to Yoyogi-Uehara.[2]

The Chiyoda Line has direct interchanges with all other Tokyo Metro and Toei lines with the exception of the Toei Oedo Line. However, Yushima Station is located relatively close to Ueno-okachimachi Station on the Oedo Line without being marked as an official transfer between the lines.

According to the Tokyo Metropolitan Bureau of Transportation, as of June 2009 the Chiyoda Line was the second most crowded subway line in Tokyo, at its peak running at 181%[a] capacity between Machiya and Nishi-Nippori stations.[3] In 2016 congestion was reported at 178%.[4] In both fiscal years 2021[5] & 2022[6] the congestion rate had dropped to 139%, as a consequence of the COVID-19 pandemic.

History

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Planning

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The Chiyoda Line was originally proposed in 1962 as a route running from “Kitami – Harajuku – Nagatachō – Hibiya – Ikenohata – Nippori – Matsudo” under Urban Transportation Council Report No. 6 (都市交通審議会答申第6号); the initial name was Line 8.[7]

In a revision issued in January 1964, it was indicated that the section from Nippori to Matsudo would connect to the Jōban Line via Nishi-Nippori, Machiya, and Kita-Senju, with the Jōban Line extended beyond Ayase. A further revision in March specified that the Odakyū Odawara Line would be extended between Kitami and Yoyogi-Uehara to serve the section from Kitami to Harajuku.[7]

The original proposal envisioned a separate subway line branching from the Odakyu Line at Kitami Station, running beneath Setagaya-dōri and passing through Wakabayashi and Komaba to Harajuku. However, due to issues such as operational conflicts with the Odakyu Line, the current plan was adopted, in which Odakyu services are extended from Kitami and diverge at Yoyogi-Uehara.[8]

On December 16, 1964, Line 8 was formally designated as Line 9, officially named the Tokyo Metropolitan Rapid Transit Line No. 9, and the 32.5 km section between Kitami and Ayase was finalized. However, until April 1968, the line number differed by authority: it was referred to as Line 8 by the Urban Transportation Council under the Ministry of Construction, while the Tokyo Metropolitan Government designated it as Line 9.[7]

Line 9 was designed to pass through built-up areas in Chiyoda, and also intended to relieve the busy Ginza Line and Hibiya Line, which follow a roughly similar route through central Tokyo.

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Opening ceremony of through services at Yoyogi-Uehara Station, with an Odakyu 9000 series and TRTA 6000 series present, March 31, 1978

Construction

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On July 30, 1966, construction began with work on subsequent sections commencing sequentially thereafter.[9]

The first stretch was opened on December 20, 1969 between Kita-Senju and Ōtemachi. The line was almost completed by October 10, 1972 when it reached Yoyogi-Kōen, although the 1 km (0.62 mi) section to Yoyogi-Uehara was not completed until March 31, 1978.

The branch line to Kita-Ayase was opened on December 20, 1979. This branch primarily serves as a connection to Ayase Depot, but also serves Kita-Ayase Station constructed in the area. A three-car shuttle service operated between Ayase and Kita-Ayase.

The Chiyoda Line was one of the lines targeted in the Aum sarin gas attack on March 20, 1995.

On May 15, 2006, women-only cars were introduced on early-morning trains from Toride on the Joban Line to Yoyogi-Uehara.

On March 18, 2008, the Chiyoda Line became the first subway line in Japan with operations by reserved-seating trains when Odakyu Romancecar limited express services began running between Kita-Senju and Hakone-Yumoto (on the Hakone Tozan Line) and Karakida (on the Odakyu Tama Line). Trains also run from/to Shin-Kiba using tracks connecting to the Yurakucho Line.

On March 16, 2019, 10-car trains commenced operation on the branch line to Kita-Ayase station after platforms were lengthened by 135m, allowing direct services from Kita-Ayase to Yoyogi-Uehara.[10]

Basic data

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Metro Morning Way, Metro Homeway and Metro Hakone

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Metro Morning Way and Metro Homeway and are fully reserved seat commuter trains operating between Hon Atsugi on the Odakyu Odawara Line and Kita-Senju on the Chiyoda Line using 60000 series MSE Romancecar trains. These services require a seat reservation as well as payment of the Limited Express fee. Tickets can be purchased online or at ticket vending machines or ticket counters at Odakyu stations.[11][12] Travel wholly within the Chiyoda Line is not permitted.[13]

As of July 2024, on weekdays there are 2 Metro Morning Way services to Kita-Senju arriving 07:53 & 09:40, and there are 5 Metro Homeway services departing Otemachi hourly between 17:30 & 21:30 of which only the 18:30 departure commences from Kita-Senju at 18:14.[12] On weekends and holidays there is one Metro Morning Way service to Kita-Senju arriving 09:46[11][13] and 2 Metro Homeway services departing Kita-Senju at 19:35 & 20:35.[12][13]

Metro Hakone is a similar service operating in the counter-peak direction between Kita-Senju and Hakone-Yumoto on the Hakone Tozan Line to serve visitors to Hakone, with a travel time of approximately 2 hours. On weekdays there is 1 trip in each direction, departing Kita-Senju at 09:47 and arriving back at Kita-Senju at 16:46. On weekends and holidays there are 3 trips in each direction: departing Kita-Senju at 08:33, 10:37 & 15:22, arriving back at Kita-Senju at 12:47, 18:21 & 19:53.[13]

Stations

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Image
List of Choyoda line stations
  • All stations are located in Tokyo.
  • Stopping patterns:
    • Commuter Semi Express, Local, Semi Express, and Express trains stop at every station.
    • Odakyu Romancecar Metro Morning Way and Metro Homeway limited express services stop at stations marked "●" and does not stop at those marked "｜".
Station Japanese Distance (km) Limited
Express		 Transfers Location
Between
stations		 From C-01
↑ Through-services to/from: ↑
C-01 Yoyogi-Uehara 代々木上原[* 1] - 0.0 ※[* 2] Odakyu Odawara Line icon, O-H. Odawara Line (OH05) Shibuya
C-02 Yoyogi-koen 代々木公園 1.0 1.0 | Odakyu Odawara Line icon, O-H. Odawara Line (Yoyogi-Hachiman: OH04)
C-03 Meiji-jingumae (Harajuku) 明治神宮前 1.2 2.2 |
C-04 Omotesandō 表参道 0.9 3.1 ●
Minato
C-05 Nogizaka 乃木坂 1.4 4.5 |  
C-06 Akasaka 赤坂 1.1 5.6 |  
C-07 Kokkai-gijidō-mae 国会議事堂前 0.8 6.4 |
Chiyoda
C-08 Kasumigaseki 霞ケ関 0.8 7.2 ●
C-09 Hibiya 日比谷 0.8 8.0 |
C-10 Nijūbashimae 二重橋前 0.7 8.7 |
C-11 Ōtemachi 大手町 0.7 9.4 ●
C-12 Shin-ochanomizu 新御茶ノ水 1.3 10.7 |
C-13 Yushima 湯島 1.2 11.9 |
Bunkyō
C-14 Nezu 根津 1.2 13.1 |  
C-15 Sendagi 千駄木 1.0 14.1 |  
C-16 Nishi-Nippori 西日暮里 0.9 15.0 |
Arakawa
C-17 Machiya 町屋 1.7 16.7 |
C-18 Kita-Senju 北千住[* 3][* 4] 2.6 19.3 ●
Adachi
C-19 Ayase 綾瀬[* 3] 2.6 21.9
↓ Through-services to/from Matsudo, Kashiwa, Abiko, Toride via Image Jōban Line (Local) ↓
C-20 Kita-Ayase 北綾瀬 2.1 24.0   Adachi
  1. ↑ Yoyogi-Uehara is shared by both Odakyu Electric Railway and Tokyo Metro; Odakyu Electric Railway manages the station.
  2. ↑ Limited express services stop at Yoyogi-Uehara to change drivers and conductors, but passengers may not board or disembark at this station.
  3. 1 2 Kita-senju and Ayase are shared by both JR East and Tokyo Metro; Tokyo Metro manages both stations.
  4. ↑ Between Kita-senju Station and Ayase Station, the Chiyoda Line uses JR East's Joban Line (Local) fare system.

Rolling stock

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As of 1 January 2019, the following train types are used on the line, all running as ten-car formations unless otherwise indicated.[14]

Tokyo Metro

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Odakyu

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JR East

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Former rolling stock

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Notes

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a. ^Crowding levels defined by the Ministry of Land, Infrastructure, Transport and Tourism:[21][22]

100% — Commuters have enough personal space and are able to take a seat or stand while holding onto the straps or hand rails.
150% — Commuters have enough personal space to read a newspaper.
180% — Commuters must fold newspapers to read.
200% — Commuters are pressed against each other in each compartment but can still read small magazines.
250% — Commuters are pressed against each other, unable to move.

References

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  • Shaw, Dennis; Morioka, Hisashi (1992). Tokyo Subways. Hoikusha Publishing.
  1. 1 2 Tokyo Metro station ridership in 2010 Train Media (sourced from Tokyo Metro) Retrieved July 23, 2018.
  2. ↑ "Timetable". Tokyo Metro. July 23, 2024. Retrieved July 23, 2024.
  3. ↑ "Commute". Metropolis: 7. June 12, 2009. Archived from the original on October 9, 2011. Retrieved March 9, 2011. Capacity is defined as all passengers having a seat or a strap or door railing to hold on to.
  4. ↑ "So You Think Your Commute Is Tough? Check Out Japan's Top 10 Most Crowded Commuter Trains! | LIVE JAPAN travel guide". LIVE JAPAN. Retrieved July 23, 2024.
  5. ↑ "Japan: busiest main railway lines in Tokyo 2021". Statista. Retrieved July 23, 2024.
  6. ↑ "Japan: busiest railway lines 2022". Statista. Retrieved July 23, 2024.
  7. 1 2 3 "千代田線建設史" [Chiyoda Line Construction History]. metroarchive.jp (in Japanese). Teito Rapid Transit Authority. 1983. pp. 21–26. Retrieved February 3, 2026.
  8. ↑ "千代田線建設史" [Chiyoda Line Construction History]. metroarchive.jp (in Japanese). Teito Rapid Transit Authority. 1983. pp. 33–35. Retrieved February 3, 2026.
  9. ↑ "千代田線建設史" [Chiyoda Line Construction History]. metroarchive.jp (in Japanese). Teito Rapid Transit Authority. 1983. p. 39. Retrieved February 3, 2026.
  10. ↑ Metro Report International (March 25, 2019). "Chiyoda Line branch runs through". Railway Gazette International. Retrieved July 23, 2024.
  11. 1 2 "モーニングウェイ＆メトロモーニングウェイ｜ロマンスカー｜小田急電鉄" [Morning Way & Metro Morning Way]. www.odakyu.jp. Retrieved July 24, 2024.
  12. 1 2 3 "ホームウェイ＆メトロホームウェイ｜ロマンスカー｜小田急電鉄" [Home Way & Metro Home Way｜Romance Car｜Odakyu Electric Railway]. www.odakyu.jp. Retrieved July 24, 2024.
  13. 1 2 3 4 "Romancecar Timetables - Odakyu Railway: Connecting Shinjuku, Hakone and Enoshima". Odakyu Railway: Connecting Shinjuku, Hakone and Enoshima -. Retrieved July 26, 2024.
  14. ↑ 私鉄車両編成表 2015 [Private Railway Rolling Stock Formations – 2015] (in Japanese). Japan: Kotsu Shimbunsha. July 23, 2015. pp. 74–75. ISBN 978-4-330-58415-7.
  15. ↑ Tokyo Metro (December 21, 2009). "環境配慮型の新型車両16000系 千代田線に導入決定！！" [Environmentally friendly new 16000 series trains to be introduced on Chiyoda Line] (Press release) (in Japanese). Retrieved December 22, 2009.
  16. ↑ "東京地下鉄千代田線用05系" [Tokyo Metro Chiyoda Line 05 series]. Japan Railfan Magazine. Vol. 54, no. 640. Japan: Koyusha Co., Ltd. August 2014. pp. 67–70.
  17. ↑ "東京メトロ千代田線への新たな直通運転用車両 新型通勤車両｢４０００形｣ ２００７年９月デビュー" [New direct drive vehicle to Tokyo Metro Chiyoda Line New model commuter vehicle "4000 form" Debuted in September 2007] (PDF) (in Japanese). February 5, 2007. Archived from the original (PDF) on February 7, 2007.
  18. ↑ "新型ロマンスカー・ＭＳＥの製造を決定 ２００８年春 東京メトロ線内初の座席指定制特急の乗り入れを開始" [Decided to manufacture the new Romance car · MSE; Initiation of the first seating designation express train in the Tokyo Metro line in the spring of 2008] (PDF) (in Japanese). September 20, 2006. Archived from the original (PDF) on February 18, 2007.
  19. ↑ 203系が営業運転から離脱 [203 series withdrawn from revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. September 28, 2011. Retrieved September 28, 2011.
  20. ↑ 東京地下鉄06系、新木場へ [Tokyo Metro 06 series moved to Shinkiba]. RM News (in Japanese). Japan: Neko Publishing Co., Ltd. August 13, 2015. Archived from the original on July 21, 2020. Retrieved September 28, 2015.
  21. ↑ "混雑率の推移".
  22. ↑ Kikuchi, Daisuke (July 6, 2017). "Tokyo plans new effort to ease commuter hell on rush-hour trains". The Japan Times. Archived from the original on July 6, 2017.
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