Tokyo Metro Chiyoda Line
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The Tokyo Metro Chiyoda Line (東京地下鉄千代田線 Tōkyō Chikatetsu Chiyoda-sen?) is a rapid transit line in Tokyo, Japan, administered by the Tokyo Metro. Its color on maps is dark green. Stations on the Chiyoda Line carry the letter C followed by a number. Automatic Train Operation is used on the line between Ayase and Kita Ayase.
The 21.9 km line serves the wards of Adachi, Arakawa, Bunkyō, Chiyoda, Minato and Shibuya; there is also a short stretch of tunnel in Taitō. A branch line goes from Ayase to Kita-Ayase and is an additional 2.1 km long.
Chiyoda Line trains interoperate with the JR Jōban Line from Ayase Station and with the Odakyū Line from Yoyogi-Uehara. JR through trains are 203 series EMUs specifically designed for the Chiyoda Line.
The Chiyoda Line was originally proposed in 1962 as a line from Setagaya Ward to Matsudo in Chiba Prefecture: its initial development name was Line 8. In 1964, the plan was changed slightly so that through service would be offered on the Jōban Line north of Tokyo, and the line's name was changed to Line 9.
Line 9 was designed to pass through a number of key stations in Chiyoda Ward, one of the main reasons for its final name (which was selected by Teito Rapid Transit Authority employees). It was also intended to relieve the busy Ginza Line and Hibiya Line, which follow a roughly similar route through central Tokyo.
The first stretch of line 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 section between Yoyogi-Kōen and Yoyogi-Uehara was not completed until March 31, 1978. The branch line to Kita-Ayase was opened on December 20, 1979.
In May 15, 2006, women-only cars were introduced on early-morning trains from Toride on the Jōban Line to Yoyogi-Uehara.
Odakyū currently plans to begin Romance Car through service to the Chiyoda Line in 2008, which would mark the first time that a Japanese subway system has accommodated reserved-seating trains.
Kita-ayase Branch Line
| Station No. | Station | Transfers | Location |
|---|---|---|---|
| C-19 | Ayase | Jōban Line | Adachi |
| C-20 | Kita-Ayase |
- Tōkyō Metro stock:
- Tōkyō Metro 06 series 10-car trains x 1 (since 1993)
- Tōkyō Metro 5000 series 3-car trains x 2 (since 1969, currently used on branchline only)
- Tōkyō Metro 6000 series 10-car trains x 35 (since 1971)
- Tōkyō Metro 6000 series 3-car train x 1 (since 1968, currently used on branchline only)
- Inter-running stock:
- Odakyū 1000 series 10-car trains
- Odakyū 4000 series 10-car trains (from September 2007)[1]
- Odakyū 60000 series MSE (from spring 2008)[2]
- JR East 203 series 10-car trains
- JR East 207-900 series 10-car train
- JR East 209-1000 series 10-car trains
- JR East E233 series 10-car trains x 18 (from summer 2008)[3]
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(Odakyū Odawara Line) << Yoyogi-uehara - Yoyogi-kōen - Meiji-jingūmae - Omotesandō - Nogizaka - Akasaka - Kokkai-gijidōmae - Kasumigaseki - Hibiya - Nijūbashimae - Ōtemachi - Shin-Ochanomizu - Yushima - Nezu - Sendagi - Nishi-Nippori - Machiya - Kita-Senju - Ayase - >> (Jōban Line) Kita-Ayase Branch: Ayase - Kita-Ayase |