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|Tokyu Oimachi Line|
A 6020 series EMU on an Oimachi Line express service in December 2018
|Opened||6 July 1927|
|Line length||12.4 km (7.7 mi)|
|Track gauge||1,067 mm (3 ft 6 in)|
|Electrification||1,500 V DC overhead catenary|
The Tokyu Oimachi Line (東急大井町線 Tōkyū Ōimachi-sen) is a railway line in Japan operated by the private railway operator Tokyu Corporation. It extends from Ōimachi in Shinagawa, Tokyo, to Mizonokuchi in Kawasaki, Kanagawa.
All-stations "Local" services are classified as blue and green. The latter runs on the express track between Futako-Tamagawa and Mizonokuchi and does not stop at Futako-Shinchi or Takatsu. Limited-stop "Express" services are also provided.
|Nakanobu||中延||2.1||Toei Asakusa Line|
|Hatanodai||旗の台||3.2||Tokyu Ikegami Line|
|Ōokayama||大岡山||4.8||Tokyu Meguro Line||Meguro|
|Jiyūgaoka||自由が丘||6.3||Tokyu Toyoko Line|
|Futako-Tamagawa||二子玉川||10.4||Tokyu Den-en-toshi Line|
|Futako-Shinchi||二子新地||11.1||Tokyu Den-en-toshi Line||Takatsu-ku, Kawasaki||Kanagawa|
|Takatsu||高津||11.7||Tokyu Den-en-toshi Line|
- 6000 series seven-car EMUs (since March 2008, originally delivered as six-car sets)
- 6020 series seven-car EMUs (from March 2018)
Former Rolling Stock
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- 6 July 1927: The section between Ōimachi and Ōokayama was opened by the Meguro-Kamata Electric Railway (目黒蒲田電鉄).
- 1 November 1929: The section between Jiyūgaoka and Futako-Tamagawa was opened by the Meguro-Kamata Electric Railway.
- 25 December 1929: The section between Ōokayama and Jiyūgaoka was opened by Meguro-Kamata Electric Railway.
- 29 June 1938: The Meguro-Kamata Railway was absorbed into the Tokyo-Yokohama Electric Railway (東京横浜電鉄).
- 15 January 1958: Electric supply was raised to 1,500 V DC.
- 11 October 1963: The line was renamed the Den-en-toshi Line, together with the section south of Futako-Tamagawa.
- 16 November 1977: Through running started between Shibuya and Nagatsuta.
- 12 August 1979: The line was renamed the Ōimachi Line and separated from the Den-en-toshi Line south of Futako-Tamagawa.
- 23 February 2008: ATS was replaced by ATC.
- 28 March 2008: Express services started.
- 11 July 2009: The Ōimachi Line was extended to Mizonokuchi from Futako-Tamagawa.
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- 80周年を迎え進化する東急大井町線-その1-. Japan Railfan Magazine (in Japanese): 118–125. July 2008.