Tokyo Metro Tōzai Line

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A Series-05 train on the Tozai Line.
Tozai Line (Click on image to enlarge.)

The Tokyo Metro Tozai Line (東京地下鉄東西線 Tōkyō Chikatetsu Tōzai-sen?) is a subway line. Part of the Tokyo Metro system, it connects Nakano Station in Nakano Ward, Tokyo, Japan and Nishi-funabashi Station in the city of Funabashi, Chiba Prefecture. On maps, its color is light blue; stations on the Tozai Line carry the letter T followed by a two-digit number.

The Tozai Line is the second most-ridden subway line in Japan (after the Midosuji Line in Osaka), and according to a 2005 study, is the country's most crowded during rush hours, when it operates at nearly twice its design capacity on average. Women-only cars, designed to prevent chikan, were introduced on the line during morning rush hours starting on November 20, 2006.


  • Length: 30.8 km
  • Gauge: 1067 mm
  • Number of stations: 23 (including ends)
  • Multiple-track section: Entire line
  • Electric supply: 1500 V DC
  • Block system: Automatic (Eidan CW-ATC)
  • Underground segment: Nakano Station–Minami Sunamachi Station


The Tozai Line was planned by a Ministry of Transportation review committee in 1962 and named Line 5. Its name literally means "East-West Line," and it was primarily planned to relieve traffic on the busy Sobu Main Line between Tokyo and Urayasu, as well as provide a straight crosstown connection through north-central Tokyo. Although this corridor is now served by the Toei Shinjuku Line and JR Keiyo Line as well, the Tozai Line continues to operate beyond capacity due to its convenience to other lines, as well as to growing condominium developments in eastern Tokyo.

The Takadanobaba-Kudanshita section of the line opened in 1964, and the remainder opened in stages until its completion in 1969. Through service with Japan National Railways began in 1969, connecting the local sections of the Chuo and Sobu lines.

The Toyo Rapid Railway, effectively an eastward extension of the Tozai Line, opened in 1996.


The Tozai Line is currently the only subway line in Tokyo that has at least one direct connection to every other subway line. The Fukutoshin Line, presently under construction, will cross the Tozai Line but does not have a direct connection to it, with Tozai Line Takadanobaba Station about 500m away from Fukutoshin Line Nishi-Waseda Station.

Station number Station name Distance (km) Cumulative distance (km) Transfers (Station names and numbers) Location
T-01 Nakano Station - 0.0 km Chūō-Sōbu Line (Through trains), Chūō Main Line (Joint use with Chūō-Sōbu Line) Tokyo Nakano
T-02 Ochiai Station 2.0 km 2.0 km Shinjuku
T-03 Takadanobaba Station 1.9 km 3.9 km Yamanote Line, Seibu Shinjuku Line
T-04 Waseda Station 1.7 km 5.6 km Toden Arakawa Line (1 km walk)
T-05 Kagurazaka Station 1.2 km 6.8 km
T-06 Iidabashi Station 1.2 km 8.0 km Tokyo Metro Yurakucho Line (Y-13), Namboku Line (N-10), Toei Oedo Line (E-06), Chūō-Sōbu Line
T-07 Kudanshita Station 0.7 km 8.7 km Tokyo Metro Hanzomon Line (Z-06), Toei Shinjuku Line (S-05) Chiyoda
T-08 Takebashi Station 1.0 km 9.7 km
T-09 Ōtemachi Station 1.0 km 10.7 km Tokyo Metro Marunouchi Line (M-18), Chiyoda Line (C-11), Hanzomon Line (Z-08), Toei Mita Line (I-09), Tōkaidō Shinkansen (Sanyō Shinkansen), Tohoku Shinkansen (Yamagata Shinkansen, Akita Shinkansen, Joetsu Shinkansen, Nagano Shinkansen), Yamanote Line, Keihin Tohoku Line, Tōkaidō Main Line (Shonan Electric Trains), Yokosuka Line, Keiyo Line (Tokyo Station)
T-10 Nihombashi Station 0.8 km 11.5 km Tokyo Metro Ginza Line (G-11), Toei Asakusa Line (A-13) Chūō
T-11 Kayabachō Station 0.5 km 12.0 km Tokyo Metro Hibiya Line (H-12)
T-12 Monzen-nakachō Station 1.8 km 13.8 km Toei Oedo Line (E-15) Koto
T-13 Kiba Station 1.1 km 14.9 km
T-14 Tōyōchō Station 0.9 km 15.8 km
T-15 Minami-sunamachi Station 1.2 km 17.0 km
T-16 Nishi-kasai Station 2.7 km 19.7 km Edogawa
T-17 Kasai Station 1.2 km 20.9 km
T-18 Urayasu Station 1.9 km 22.8 km Chiba Prefecture Urayasu
T-19 Minami-gyōtoku Station 1.2 km 24.0 km Ichikawa
T-20 Gyōtoku Station 1.5 km 25.5 km
T-21 Myōden Station 1.3 km 26.8 km
T-22 Baraki-nakayama Station 2.1 km 28.9 km Funabashi
T-23 Nishi-funabashi Station 1.9 km 30.8 km Chūō-Sōbu Line (some through service during rush hours), Toyo Rapid Line (through trains), Musashino Line, Keiyo Line, Keisei Line (Keisei-Nishifuna Station)

Rolling stock

07,05 new type,05 original type,5000 stainless with finish head mark, 5000 aluminum.
  • Rolling stock of Tozai Line is 20m 4doors long sheet car.
  • Maxim speed of business on Tozai line : 100km/h
  • M = motor car : have 4 motors
  • T = trailer car : have no moters

Tokyo Metro 05 series

  • 10-car trains x 43

It has many types. After 05-125F which were changed their face, called "New05" too. 05-114F to 05-118F have wide doors.

Master controller have deadman system (If driver separate master controller, brakes work). Partition of driver's cab and passenger room have 3 windows. On Tozai Line, usually 2 windows were closed by curtain but other is clear so passenger can look prospect even on subway.


  05-101 to 113F 05-114F 05-115 to 118F 05-119 to 124F 05-125 to 133F 05-134 to 139F 05-140 to 143F
Maxim speed of trains 110km/h120km/h
Acceleration / Slowdown Acceleration 3.3km/h/s / Slowdown 3.5km/h/s (emergency 5.0km/h/s)
Face style square lights, no skirtcircle lights, have a skirt
Headlights shield beamHID
Destination indication curtain3 colors LED
Guidance of LED inside of car 8/car4/car
Control system ChopperGTO-VVVFChopperIGBT-VVVF
MT ratio 5M5T4M6T5M5T4M6T5M5T
Motor power (among one moter) 160kW200kW160kW205kW165kW
Train power 3,200kW3,280kW3,300kW
Gear ratio 5.73(86:15)7.79(109:14)5.73(86:15)7.79(109:14)6.21(87:14)
Pantograph lozenge 5lozenge 4lozenge 5lozenge 4single arm 5single arm 3
Wide of door 1.3m1.8m1.3m
Driver's cab Two handleOne handle
Seat placement (middle car and no space) 3-7-7-7-32-6-6-6-24-6-7-6-43-7-7-7-3
  • ※ : 05-135 to 139F use 3 pantographs (other pantographs are no used).


05-114F. It have awide door and GTO-VVVF system.
New05 with 205kW motor type.
Room of A-Train type.
Connection side of initial car on fukagawa factory.
  • 05-101 to 113F
    • Made in 1988 to 1991.
    • From 05-104F glass of face is slightly extend.
  • 05-114F
    • Made in 1991.
    • Wide door car.
    • Test car of VVVF.
  • 05-115 to 118F
    • Made in 1992.
    • Wide door car.
    • Running system is return to 101~113F.
  • 05-119 to 124F
    • Made in 1993 to 1994.
    • Running system is almost same as series 06 (used on Chiyoda Line) and series 07.
    • Fenestration is unevenness.
    • 05-124F is aluminum recycle car.
  • 05-125 to 133F
    • Made in 1999 to 2001.
    • Design is completely changed.
    • Performance is almost same as 119~124F.
  • 05-134 to 139F
    • Made in 2002 to 2003.
    • Running system is almost same as series 08 (used on Hanzomon Line). So rapidity performance is up.
    • Fenestration iscommon again.
  • 05-140 to 143F
    • Made in 2004.
    • Running system is almost same as 134~139F. But use pure electric brake.
    • Adopt A-Train of Hitachi so method of body molding is changed.

Tokyo Metro 07 series

Details please show date of 07.

  • 10-car
  • It from Yurakucho Line 2006
  • Motor power : 205kW 4M6T
  • Maxim speed of trains : 110km/h

Tokyo Metro 5000 series

Stainless car.
Aluminum car.
  • 10-car
  • Until March 2007
  • Motor power : 100kW 8M2T

Run from other rail way

  • Toyo Rapid 2000 series 10-car x11
    • Basic designs follow as 05-140F to 05-143F.
    • Motor power : 165kW 5M5T
    • Maxim speed of trains : 120km/h
  • JR East E231-800 series 10-car x7
    • Motor power : 95kW 6M4T
    • Maxim speed of trains : 120km/h