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Tokyo Metro Tozai Line

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Subway line in Japan

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Tokyo Metro Tozai Line

A Tozai Line 15000 series train

Overview

Other name

Native name

東京メトロ東西線

Owner

Tokyo Metro

Line number

Locale

Tokyo,Chiba prefectures

Termini

Stations

Color on map

Sky

Service

System

Tokyo subway

Operator(s)

Tokyo Metro

Depot(s)

Fukagawa, Gyōtoku

Rolling stock

Tokyo Metro 05/05N series
Tokyo Metro 07 series
Tokyo Metro 15000 series
Tōyō Rapid 2000 series
JR East E231-800 series

Daily ridership

1,642,378 (2017)^[1]

History

Opened

23 December 1964; 60 years ago (1964-12-23)

Technical

Line length

30.8 km (19.1 mi)

Number of tracks

Track gauge

1,067 mm (3 ft 6 in)

Minimum radius

200 m (660 ft)

Electrification

Overhead line, 1,500 V DC

Operating speed

100 km/h (62 mph)

Train protection system

New CS-ATC

Maximum incline

4.0%

Route map

Legend

Chūō Line (Rapid)

JB01

Mitaka

Through service

JB07

Chūō–Sōbu Line

0.0T01

Nakano

JBJC

Toei Ōedo Line

2.0T02

Ochiai

Kanda River

Yamanote Line
Seibu Shinjuku Line

3.9T03

Takadanobaba

Fukutoshin Line

5.6T04

Waseda

6.8T05

Kagurazaka

Y
Yūrakuchō
Line
│E
Ōedo
Line

NNamboku Line

Imperial Palace moat

JBJC
Chūō–Sōbu Line
Chūō Line (Rapid)

8.0T06

Iidabashi

8.7T07

Kudanshita

S
Shinjuku
Line

ZHanzōmon Line

9.7T08

│Z
Hanzōmon
Line

10.7T09

Ōtemachi

IMita Line

CChiyoda Line

MMarunouchi Line

Sōbu Line (Rapid)

Chūō Line (Rapid)

Yamanote Line
Tōhoku Shinkansen

Hanzōmon Line

11.5T10

Nihombashi

G
Ginza
Line

Toei Asakusa Line

12.0T11

Hibiya Line

Kawanishi tributary

Toei Oedo Line

13.8T12

14.9T13

Sōbu
Main Line
│

Fukagawa Depot

and workshop

15.8T14

Tōyōchō

Shiohama Canal

JR Freight Sōbu Main Line
Etchūjima Freight Branch

17.0T15

Minami-Sunamachi

Arakawa River

Arakawa-Nakagawa Bridge

19.7T16

20.9T17

OldEdo River

22.8T18

24.0T19

25.5T20

26.8T21

Gyōtoku Depot

Edo River

28.9T22

Baraki-Nakayama

Shinma River

30.8T23

Nishi-Funabashi

JB30

Musashino Line

TR01

Tōyō Rapid
Railway Line

JB33

Tsudanuma

Chūō–Sōbu
Line
│
Sōbu Line
(Rapid)

TR09

Tōyō-Katsutadai

Tokyo Metro Tōzai Line train pulling intoWaseda Station in 2015

TheTokyo Metro Tozai Line (東京メトロ東西線,Tōkyō Metoro Tōzai-sen) is arapid transit line inTokyo andChiba Prefecture, Japan, owned and operated byTokyo Metro. Its name translates to "East-West Line". The line runs betweenNakano inNakano-ku, Tokyo andNishi-Funabashi inFunabashi, Chiba Prefecture. The Tōzai Line was referred to as Line 5 during the planning stages; the seldom-used official name is Line 5 Tōzai Line (5号線東西線,Go-gō-sen Tōzai-sen). The line carries an average of 1,642,378 passengers daily (2017), making it the busiest line on the Tokyo Metro network.^[1] On maps, diagrams and signboards, the Tōzai Line is shown using the color "sky blue" and its stations are given numbers using the letter "T".

Overview

[edit]

The line runs through centralTokyo from east to west viaTakadanobaba,Waseda,Ōtemachi,Nihombashi,Kiba andUrayasu. It was opened as a bypass route for theChuo Rapid Line and theSobu Line, which were heavily congested at the time. It is the onlyTokyo Metro line to extend intoChiba Prefecture (although theShinjuku Line operated byToei also extends into Chiba Prefecture.) It also runs above-ground for 14 km (8.7 mi) fromMinami-Sunamachi toNishi-Funabashi, nearly half of the line and longer than any other railway line in theTokyo subway network.

The Tōzai Line featuresthrough services at both ends of the line. Trains run onto theJR East Chūō-Sōbu Line forMitaka at the western (Nakano) end, and onto either the Chūō-Sōbu Line forTsudanuma or theTōyō Rapid Railway Line forTōyō-Katsutadai at the eastern (Nishi-Funabashi) end.

According to theTokyo Metropolitan Bureau of Transportation in 2018, the Tokyo Metro Tōzai Line continues to be most crowded subway line inTokyo, and the most crowded train line in all of Japan, with its peak running at 199% capacity^[a] betweenKiba andMonzen-Nakachō stations.^[2]^[3]Women-only cars were introduced on the line for use during morning rush hour on November 20, 2006.

During the COVID-19 pandemic, peak ridership dropped from a rate of 199% in 2019 to 123% in 2020.

History

[edit]

This sectionneeds additional citations forverification. Please helpimprove this article byadding citations to reliable sources in this section. Unsourced material may be challenged and removed.(May 2022) (Learn how and when to remove this message)

The Tōzai Line was planned by a review committee of the then Ministry of Transportation in 1962 and numberedLine 5. Its name literally means "East-West Line", and it was primarily planned to relieve traffic on the busySōbu Main Line as well as provide a straight crosstown connection through north-central Tokyo. Although this corridor is also served by theTokyo Metropolitan Bureau of Transportation (Toei)Shinjuku Line and JRKeiyō Line, the Tōzai Line continues to operate beyond capacity due to its accessibility to other lines, as well as to growingcondominium developments in eastern Tokyo.

TheTakadanobaba toKudanshita section opened in 1964,^[4] and the remainder opened in stages until its completion in 1969. Through service with the thenJapanese National Railways (today part of theJR Group) – a first for a Tokyo subway line – began in 1969 connecting the Chūō and Sōbu lines. This is a rare situation in Tokyo, as the only other subway line with through services onto JR lines is theChiyoda Line.

TheTōyō Rapid Railway Line, effectively an eastward extension of the line, opened in 1996. It nevertheless remains a private entity to which the Tōzai lines offers through services.

Chronology

[edit]

March 16, 1966: The line is extended at both ends. It now runs between Nakano and Takebashi.
April 28, 1966: Through service to the Chūō Line of JNR commences as far as Ogikubo.
October 1, 1966: Takebashi to Ōtemachi section opens.
September 14, 1967: Ōtemachi to Tōyōchō section opens.
March 29, 1969: Tōyōchō to Nishi-Funabashi section opens and Rapid service begins (non-stop between Tōyōchō and Nishi-Funabashi).
April 8, 1969: Through service on the Chūō Line is extended to Mitaka, and through service begins on the Sōbu line to Tsudanuma.
April 8, 1972: Through service on the Sōbu Line is withdrawn except during rush hours.
1975: Another type of Rapid service is introduced, calling at Urayasu between Tōyōchō and Nishi-Funabashi.
October 1, 1979: Nishi-Kasai station opens.
March 27, 1981: Minami-Gyōtoku station opens.
1986: Commuter Rapid service is introduced, running non-stop between Urayasu and Nishi-Funabashi.
(April 1, 1987: JNR is privatised. The Chūō and Sōbu lines become the property of JR East.)
1996: The Rapid service that runs non-stop between Tōyōchō and Nishi-Funabashi ceases.
April 27, 1996:Tōyō Rapid Line opens between Nishi-Funabashi and Tōyō-Katsutadai. Through service begins.
January 22, 2000: Myōden station opens.
April 1, 2004: Teito Rapid Transit Authority (TRTA or Eidan) becomes Tokyo Metro.^[5]
November 20, 2006:Women-only cars are introduced during morning rush hours.

Services

[edit]

The Tōzai Line was the first Tokyo Metro line on which express services run: two types of rapid trains skip some stations east of Toyocho. TheTokyo Metro Fukutoshin Line began services on June 14, 2008, and also features express services.

Through services toMitaka via the JR East Chūō Line andTōyō-Katsutadai via the Tōyō Rapid Railway run all day. Outside of rush hours, only local trains run through to the Chūō Line and only rapid trains run through to the Tōyō Rapid Railway. During the morning and evening peak periods, through services run toTsudanuma via the JR East Sōbu Line.

Station list

[edit]

Local trains stop at every station. Rapid trains stop at stations marked "●" and do not stop at those marked "｜". Some weekday westbound trains do not stop at stations marked "↑".

No.	Station	Japanese	Distance (km)		Comm. Rapid	Rapid	Transfers	Location
No.	Station	Japanese	Between stations	From Nakano	Comm. Rapid	Rapid	Transfers	Location
↑Through-services to/fromMitaka via theJBChūō-Sōbu Line ↑
T01	Nakano	中野^{[* 1]}	–	0.0	●	●	JBChūō-Sōbu Line JCChūō Line (Rapid)	Nakano	Tokyo
T02	Ochiai	落合	2.0	2.0	●	●		Shinjuku
T03	Takadanobaba	高田馬場	1.9	3.9	●	●	FFukutoshin Line (Nishi-waseda: F-11) JYYamanote Line Seibu Shinjuku Line
T04	Waseda	早稲田	1.7	5.6	●	●	Toden Arakawa Line (Waseda)^{[* 2]}
T05	Kagurazaka	神楽坂	1.2	6.8	●	●
T06	Iidabashi	飯田橋	1.2	8.0	●	●	NNamboku Line (N-10) YYūrakuchōLine (Y-13) EŌedo Line (E-06) JBChūō-Sōbu Line	Chiyoda
T07	Kudanshita	九段下	0.7	8.7	●	●	ZHanzōmon Line (Z-06) SShinjuku Line (S-05)
T08	Takebashi	竹橋	1.0	9.7	●	●
T09	Ōtemachi	大手町	1.0	10.7	●	●	MMarunouchi Line (M-18) CChiyoda Line (C-11) Z Hanzōmon Line (Z-08) IMita Line (I-09)
T10	Nihombashi	日本橋	0.8	11.5	●	●	GGinza Line (G-11) AAsakusa Line (A-13)	Chūō
T11	Kayabachō	茅場町	0.5	12.0	●	●	HHibiya Line (H-13)	Chūō
T12	Monzen-Nakachō	門前仲町	1.8	13.8	●	●	E Ōedo Line (E-15)	Kōtō
T13	Kiba	木場	1.1	14.9	●	●
T14	Tōyōchō	東陽町	0.9	15.8	●	●
T15	Minami-Sunamachi	南砂町	1.2	17.0	●	\|
T16	Nishi-Kasai	西葛西	2.7	19.7	●	\|		Edogawa
T17	Kasai^[6]	葛西	1.2	20.9	●	\|		Edogawa
T18	Urayasu	浦安	1.9	22.8	●	●		Urayasu	Chiba
T19	Minami-Gyōtoku	南行徳	1.2	24.0	↑	\|		Ichikawa
T20	Gyōtoku	行徳	1.5	25.5	↑	\|
T21	Myōden^[6]	妙典	1.3	26.8	↑	\|
T22	Baraki-Nakayama^[6]	原木中山	2.1	28.9	↑	\|		Funabashi
T23	Nishi-Funabashi	西船橋^{[* 3]}	1.9	30.8	●	●	TRTōyō Rapid Railway Line JBChūō-Sōbu Line JMMusashino Line	Funabashi
↓Through-services to/fromTōyō-Katsutadaivia theTRTōyō Rapid Railway Line ↓ or ↓Through-services to/fromTsudanumavia theJBChūō-Sōbu Line↓

^Nakano is shared by Tokyo Metro and JR East; JR East manages the station.
^Both the Tokyo Metro and Toei stations are displayed on station maps as being distant from one another, and they are not announced as transfer points for one another.
^Nishi-Funabashi is shared by Tokyo Metro, Tōyō Rapid Railway, and JR East; JR East and Tokyo Metro manage the station.

Rolling stock

[edit]

Present

[edit]

Tōzai Line trains are 10-car formations of 20-meter (65 ft 7 in)-long cars, with four doors per side and longitudinal seating. The maximum operating speed is 100 km/h (62 mph). Newer trains feature wide doors to allow for faster boarding times.

Tokyo Metro
- 05/05N series (since 1988)
- 07 series (since 2006) (transferred fromYūrakuchō Line)
- 15000 series (since 2010)
Tōyō Rapid Railway
- 2000 series (since 2004)
East Japan Railway Company (JR East)
- E231-800 series (since 2003)

Tokyo Metro 05 series
Tokyo Metro 05N series
Tokyo Metro 07 series
Tokyo Metro 15000 Series
Toyo Rapid 2000 series
JR East E231-800 series

Past

[edit]

Tokyo Metro
- 5000 series (from 1964 until 2007)
- 8000 series (from 1987 until 1988, temporary, built forHanzōmon Line)
JR East
- 301 series (from 1966 until 2003)
- 103-1000 series (from 1989 until 2003)
- 103-1200 series (from 1971 until 2003)
Tōyō Rapid
- 1000 series (from 1996 until 2006)

5000 series with stainless steel body
5000 series with aluminium body
JR East 301 series in February 2003
JR East 103–1200 series
Tōyō Rapid 1000 series in September 2006

Depots

[edit]

05N series EMU at Fukagawa Workshop

Fukagawa Depot, April 2021

Fukagawa Depot (深川検車区)
Gyōtoku Depot (深川検車区行徳分室)
Fukagawa Workshop (深川工場)

Notes

[edit]

a.^ Crowding levels defined by theMinistry of Land, Infrastructure, Transport and Tourism:^[7]^[8]

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

[edit]

Shaw, Dennis and Morioka, Hisashi, "Tokyo Subways", published 1992 by Hoikusha Publishing

^^a ^bTokyo Metro station ridership in 2017Train Media (sourced from Tokyo Metro) Retrieved July 23, 2018.
^Metropolis,"Commute", June 12, 2009, p. 07. Capacity is defined as all passengers having a seat or a strap or door railing to hold on to.
^"Amount and a congestion rate of passengers who got on"(PDF). Archived fromthe original(PDF) on 2019-09-20.
^"History".tokyometro.jp. Archived fromthe original on 2023-06-05. Retrieved2024-07-13.
^"「営団地下鉄」から「東京メトロ」へ" [From "Teito Rapid Transit Authority" to "Tokyo Metro"].Tokyo Metro Online (in Japanese). 2006-07-08. Archived fromthe original on 16 May 2012. Retrieved29 May 2022.
^^a ^b ^cThe local train stops to let the Rapid pass at this station.
^"混雑率の推移".
^Kikuchi, Daisuke (6 July 2017)."Tokyo plans new effort to ease commuter hell on rush-hour trains".The Japan Times.Archived from the original on 6 July 2017.

External links

[edit]

Tokyo Metro website(in English)

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