Tokyo Metro Chiyoda Line

The 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 Tozai Line (1,642,378).Tokyo Metro station ridership in 2010
''Train Media (sourced from Tokyo Metro)'' Retrieved July 23, 2018.

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

The 24.0 km 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 .

On maps, diagrams and signboards, the line is shown using the color green (), and its stations are given numbers using the letter "C".

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 . The rest run to the southwest beyond Yoyogi-Uehara onto the Odakyu Odawara Line to .

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% capacity between and stations.

Basic data

*Distance:
*Double-tracking: Entire line
*Railway signalling: New CS- ATC

Station list

* All stations are located in Tokyo.
* Stopping patterns:
** Commuter Semi Express, Local, Semi Express, and Express trains stop at every station.
** Odakyu '' Romancecar'' limited express services stop at stations marked "●" and does not stop at those marked "｜".

Rolling stock

, the following train types are used on the line, all running as ten-car formations unless otherwise indicated.

Tokyo Metro

* 16000 series (x37) (since November 2010)
* 05 series 3-car trains (x4) (since April 2014, used on Kita-Ayase Branch)

File:Tokyo Metro 05-013F Chiyoda line Kita-Ayase branch line for test run.jpg, 05 series 3-car set in March 2014

Odakyu

* 4000 series (since September 2007)
* 60000 series MSE (since spring 2008)

File:Odakyu 60000kei metro hakone.JPG, An Odakyu 60000 series MSE ''Romancecar'' EMU on a ''Metro Hakone'' service in April 2012
File:Odakyu 4000 Jōban Local train.jpg, An Odakyu 4000 series set in April 2016

JR East

* E233-2000 series (x19) (since summer 2009)

File:E233系2000番台マト10編成.jpg, A Jōban Line/Tokyo Metro Chiyoda Line E233-2000 series set in April 2019

Former rolling stock

* 6000 series (x35) (from 1971 until November 2018)
* JNR 103-1000 series (x16) (from 1971 until April 1986)
* JR East 203 series (x17) (from August 27, 1982 until September 26, 2011)
* JR East 209-1000 series (x2) (from 1999 until October 13, 2018)
* JNR 207–900 series (x1) (from 1986 until December 2009)
* 5000 series 3-car trains (x2) (from 1969 until 2014, later used on branch line)
* 6000 series 3-car train (x1) (prototype of the series built in 1968 until 2014, used on branch line)
* 06 series (x1) (from 1993 until January 2015)
* 07 series (x1) (September 2008 – December 2008)
* Odakyu 1000 series (1988–2010)
* Odakyu 9000 series (1978–2006)

File:Model 5000-Chiyoda of Teito Rapid Transit Authority.JPG, 5000 series (Aluminum prototype)
File:Tokyometro 6000 Chiyoda.jpg, A Tokyo Metro 6000 series set in December 2014

File:Chiyoda-line series07.jpg, An 07 series set in December 2008
File:Oer9000mikaku.JPG, An Odakyu 9000 series set in October 1977

History

The Chiyoda Line was originally proposed in 1962 as a line from Setagaya in Tokyo to Matsudo, Chiba; the initial name was "Line 8". In 1964, the plan was changed slightly so that through service would be offered on the Joban Line north of Tokyo, and the number was changed to "Line 9".

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.

The first stretch was opened on December 20, 1969 between and . The line was almost completed by October 10, 1972 when it reached , although the 1 km section to was not completed until March 31, 1978.

The branch line to 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 operates 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 on the Joban Line to .

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 (on the Hakone Tozan Line) and (on the Odakyu Tama Line). Trains also run from/to using tracks connecting to the Yurakucho Line.

On March 16, 2019, 10 car services to Kita-Ayase station commenced.

Notes

a. Crowding levels defined by the Ministry of Land, Infrastructure, Transport and Tourism:

: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

*

External links

Tokyo Metro website

{{DEFAULTSORT:Chiyoda Line

Lines of Tokyo Metro
Railway lines in Tokyo
Railway lines opened in 1969
1067 mm gauge railways in Japan
1500 V DC railway electrification