Toei Mita Line

Mita Line

Toei 6300 series EMU arriving at Hasune Station
Overview
Type Rapid transit
Locale Tokyo
Termini Meguro
Nishi-Takashimadaira
Stations 27
Daily ridership 600,570 (2014)[1]
Operation
Opened December 27, 1968
Owner Toei Subway
Depot(s) Shimura
Rolling stock Toei 6300 series, Tokyu 3000 series, Tokyu 5080 series
Technical
Line length 26.5 km (16.5 mi)
Track gauge 1,067 mm (3 ft 6 in)
Electrification 1,500 V DC overhead catenary
Operating speed 75 km/h (45 mph)
Route map

The Toei Mita Line (都営地下鉄三田線 Toei Chikatetsu Mita-sen) is a subway line of the Tokyo Metropolitan Bureau of Transportation (Toei) network in Tokyo, Japan. The line runs between Nishi-Takashimadaira in Itabashi and Meguro in Shinagawa. Trains continue with direct service into the Meguro Line of Tokyu Corporation for Hiyoshi. The portion between Shirokane-Takanawa and Meguro is shared with the Tokyo Metro Namboku Line.

On maps and signboards, the line is shown in "blue" (O). Stations carry the letter "I" followed by a two-digit number.

Overview

Platforms on the Mita Line are equipped with chest-height automatic platform gates that open in sync with the train doors. The line was the first in the Tokyo subway system to have low barriers. The Tokyo Metro Namboku Line has used full-height platform screen doors since its opening.

The right-of-way and stations between Shirokane-Takanawa and Meguro are shared with the Tokyo Metro Namboku Line. Under an agreement of both parties, the fare for this section is calculated on the Toei system for passengers traveling to stations on the Mita Line past Shirokane-Takanawa, using the Tokyo Metro system for those travelling on the Namboku Line past Shirokane-Takanawa, and on the system "most beneficial to the passenger" (presently the Tokyo Metro schedule) for travel solely on the shared section.

According to the Tokyo Metropolitan Bureau of Transportation, as of June 2009 the Mita Line is the ninth most crowded subway line in Tokyo, running at 164% capacity between Nishi-Sugamo and Sugamo stations.[2]

Blue subway-line diagram, listing stations
Line diagram

Station list

All stations are located in Tokyo.

Station
No.		 Station Japanese Distance (km) Transfers Location
Between
stations		 From I-01
I-01 Meguro 目黒[* 1] - 0.0 Tōkyū Meguro Line (through service)
Tokyo Metro Namboku Line (N-01) (shared)
Yamanote Line		 Shinagawa
I-02 Shirokanedai 白金台[* 2] 1.3 1.3 Tokyo Metro Namboku Line (N-02) (shared) Minato
I-03 Shirokane-Takanawa 白金高輪[* 2] 1.0 2.3 Tokyo Metro Namboku Line (N-03) (shared)
I-04 Mita 三田 1.7 4.0 Toei Asakusa Line (A-08)
Yamanote Line
Keihin-Tōhoku Line (Tamachi)
I-05 Shibakōen 芝公園 0.6 4.6  
I-06 Onarimon 御成門 0.7 5.3  
I-07 Uchisaiwaichō 内幸町 1.1 6.4   Chiyoda
I-08 Hibiya 日比谷 0.9 7.3 Tokyo Metro Hibiya Line (H-07)
Tokyo Metro Chiyoda Line (C-09)
Tokyo Metro Yūrakuchō Line (Yūrakuchō: Y-18)
Yamanote Line
Keihin-Tōhoku Line (Yūrakuchō)
Underground passage to Ginza and Higashi-Ginza stations
I-09 Ōtemachi 大手町 0.9 8.2 Tokyo Metro Marunouchi Line (M-18)
Tokyo Metro Tōzai Line (T-09)
Tokyo Metro Chiyoda Line (C-11)
Tokyo Metro Hanzōmon Line (Z-08)
I-10 Jimbōchō 神保町 1.4 9.6 Toei Shinjuku Line (S-06)
Tokyo Metro Hanzōmon Line (Z-07)
I-11 Suidōbashi 水道橋 1.0 10.6 Chūō-Sōbu Line Bunkyō
I-12 Kasuga 春日 0.7 11.3 Toei Ōedo Line (E-07)
Tokyo Metro Marunouchi Line (Kōrakuen: M-22)
Tokyo Metro Namboku Line (Kōrakuen: N-11)
I-13 Hakusan 白山 1.4 12.7  
I-14 Sengoku 千石 1.0 13.7  
I-15 Sugamo 巣鴨 0.9 14.6 Yamanote Line Toshima
I-16 Nishi-Sugamo 西巣鴨 1.4 16.0 Toden Arakawa Line (Shin-Kōshinzuka)
I-17 Shin-Itabashi 新板橋 1.0 17.0 Saikyō Line (Itabashi)

Tobu Tojo Line (Shimo-Itabashi)

 Itabashi
I-18 Itabashi-Kuyakushomae 板橋区役所前 0.9 17.9  
I-19 Itabashi-Honchō 板橋本町 1.2 19.1  
I-20 Motohasunuma 本蓮沼 0.9 20.0  
I-21 Shimura-Sakaue 志村坂上 1.1 21.1  
I-22 Shimura-Sanchōme 志村三丁目 0.9 22.0  
I-23 Hasune 蓮根 1.2 23.2  
I-24 Nishidai 西台 0.8 24.0  
I-25 Takashimadaira 高島平 1.0 25.0  
I-26 Shin-Takashimadaira 新高島平 0.7 25.7  
I-27 Nishi-Takashimadaira 西高島平 0.8 26.5  
  1. ↑ Meguro is shared by Toei, Tokyo Metro, and Tokyu Corporation; Tokyu Corporation manages the station.
  2. 1 2 Shirokanedai and Shirokane-Takanawa are shared by Toei and Tokyo Metro; Tokyo Metro manages both stations.

Rolling stock

6300 series (left and right) and Tokyu 5080 series (center) at Shimura depot

All trains are 6-car sets unless otherwise noted.

Present

Past

6000 series between Shin-Takashimadaira and Nishi-Takashimadaira, February 1999

Maintenance facilities

History

The Mita Line was first envisioned in 1957 as a northern branch of Line 5 (the present Tōzai Line), serving the section between Ōtemachi and Itabashi. Under a revised proposal in 1962, the line was made independent and its construction undertaken by the Tokyo Metropolitan Government. The new line (Line 6) was planned to run from Gotanda Station on the southwestern side of the Yamanote Line through central Tokyo, with its northern extensions via Yamatochō (大和町) in Itabashi (near present Itabashi-honchō), diverting to Kami-Itabashi and Shimura (志村) (present Takashimadaira). The southernmost portion, from Sengakuji to Nishi-Magome and Nishi-Magome depot, was to be shared with Line 1 (Asakusa Line); therefore, Line 6 would be 1,435 mm (4 ft 8 1⁄2 in) gauge.

Due to political considerations, the design of the Mita Line changed several times during the early 1960s. There were plans for it to run to Toda, Saitama, to serve a boat-racing venue for the 1964 Summer Olympics. The government of Saitama also proposed the construction of a new subway line which would allow through service on the Mita Line as far as Ōmiya Station. In 1964, these plans were changed to allow the Mita Line to connect with the Tōbu Tōjō Line via a branch to be built by Tobu between Yamatomachi (大和町) (now Wakōshi), and Shimura, the northern end of Line 6. At the southern end the junction with the Tokyu network would be via a connecting line, which would be constructed by Tokyu from Sengakuji to Kirigaya (桐ヶ谷) on the Tōkyū Ikegami Line; the route would continue to the then-Den-en-toshi Line and finally west, down to Nagatsuta. As a result, the construction standards of Line 6 were based on those of Tobu and Tokyu (such as 1,067 mm (3 ft 6 in) gauge track and 20-meter-long cars). A depot was planned at Shimura, independent of the Nishi-Magome depot on Line 1.

However, both Tokyu and Tobu decided the following year to operate their through services with the Teito Rapid Transit Authority (TRTA, now Tokyo Metro) lines instead. With no through service opportunities available the Tokyo Metropolitan Government began construction on the central portion of the line, leaving the plans for the Itabashi and Mita ends open for future development. This required an extension somewhere south of Seishōkō-mae (清正公前) (present Shirokane-Takanawa), probably to the then-Mekama Line of Tokyu (on the commencement of inter running to Mita and Namboku lines, the Mekama Line was divided into the Meguro Line and Tōkyū Tamagawa Line) which competed with TRTA Line 7, later called the Tokyo Metro Namboku Line.

The first segment of the line opened on December 27, 1968, between Sugamo and Takashimadaira (10.4 km). The line was extended a further 7.3 km south to Hibiya on June 30, 1972 and 3.3 km further south to Mita on November 27, 1973. The northern 1.5 km extension (originally licensed to Tobu and later transferred to the Tokyo government bureau of transportation) was completed on May 6, 1976. For the next 24 years, the line operated between Mita and Nishi-Takashimadaira; the authorized Mita and Sengakuji section had been left uncompleted.

In 1985 the then-Ministry of Transport finally settled the plan regarding the southern extension of the line, and shelved all plans for further extension to the north due to the development of the Saikyō Line. On September 26, 2000, the final 4 km segment from Mita to Meguro opened, and through service to the Meguro Line of Tokyu began. The line switched to driver-only train operation at the same time.

References

  1. ↑ 東京都交通局ホーム - 経営情報 - 交通局の概要 - 都営地下鉄 [Tokyo Metropolitan Bureau of Transportation Home - Management Information - Overview of the Department of Transportation - Toei Subway] (in Japanese). 東京都交通局 [Tokyo Metropolitan Bureau of Transportation]. April 1, 2015. Retrieved 2016-01-17.
  2. ↑ 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.
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