Ōimachi Line

Ōimachi Line
Ōimachi Line
	OM
	A 6020 series EMU on an Ōimachi Line express service in December 2018
Overview
Native name	大井おおい町まち線せん
Owner	Tōkyū Railways
Locale	Tokyo
Termini	Ōimachi; Mizonokuchi;
Stations	16
Color on map	Orange (#f18c43)
Service
Type	Rapid transit
Daily ridership	511,214 (FY2018)
History
Opened	6 July 1927; 96 years ago
Technical
Line length	12.4 km (7.7 mi)
Track gauge	1,067 mm (3 ft 6 in)
Electrification	1,500 V DC overhead catenary
Operating speed	95 km/h
Route map
	Legend
	Tokyo Waterfront Area
	Rapid Transit
	Tama
	River
	Tokyo
	Kanagawa
	Musashi-
	Mizonokuchi
	Nambu
	line

The Ōimachi Line (大井おおい町まち線せん, 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.

Stations[edit]

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.

On weekends, two seven-car express trains per days are operated to/from Ōimachi and Nagatsuta on the Tokyu Den-en-toshi Line. Also, a few trains are operated through down to Saginuma in the late evenings. A few express trains during the holidays also serve from Chūō-Rinkan in the mornings, down in the evenings.^{[citation needed]}

No.	Station	Japanese	Distance (km)	Stops			Transfers	Location
No.	Station	Japanese	Distance (km)	"Blue" Local	"Green" Local	Express	Transfers	Location
OM01	Ōimachi	大井おおい町まち	0.0	●	●	●	JK Keihin-Tohoku Line (JK19) R Rinkai Line (R07)	Shinagawa	Tokyo
OM02	Shimo-shimmei	下神明しもしんめい	0.8	●	●	\|
OM03	Togoshi-kōen	戸越とごし公園こうえん	1.5	●	●	\|
OM04	Nakanobu	中延なかのぶ	2.1	●	●	\|	A Toei Asakusa Line (A03)
OM05	Ebaramachi	荏原町えばらまち	2.7	●	●	\|
OM06	Hatanodai	旗はたの台だい	3.2	●	●	●	IK Tokyu Ikegami Line (IK05)
OM07	Kita-senzoku	北きた千せん束たば	4.0	●	●	\|		Ōta
OM08	Ōokayama	大岡山おおおかやま	4.8	●	●	●	MG Tokyu Meguro Line (MG06)	Meguro
OM09	Midorigaoka	緑みどりが丘おか	5.3	●	●	\|
OM10	Jiyūgaoka	自由じゆうが丘おか	6.3	●	●	●	TY Tokyu Toyoko Line (TY07)
OM11	Kuhombutsu	九品仏くほんぶつ	7.1	●	●	\|		Setagaya
OM12	Oyamadai	尾山台おやまだい	7.8	●	●	\|
OM13	Todoroki	等々力とどりき	8.3	●	●	\|
OM14	Kaminoge	上野毛かみのげ	9.2	●	●	\|
OM15	Futako-tamagawa	二子ふたご玉川たまがわ	10.4	●	●	●	DT Tokyu Den-en-toshi Line (DT07)
DT08	Futako-shinchi	二子ふたご新地さらち	11.1	●	\|	\|	DT Tokyu Den-en-toshi Line (DT08)	Takatsu-ku, Kawasaki	Kanagawa
DT09	Takatsu	高津たかつ	11.7	●	\|	\|	DT Tokyu Den-en-toshi Line (DT09)
OM16	Mizonokuchi	溝みぞの口くち	12.4	●	●	●	DT Tokyu Den-en-toshi Line (Limited through service) (DT10) JN Nambu Line (Musashi-Mizonokuchi Station, JN10)

^[2]

Rolling stock[edit]

Local services[edit]

9000 series five-car EMUs
9020 series five-car EMUs^[3]

A 9000 series EMU in December 2021
A 9020 series EMU in December 2021

Express services[edit]

6000 series seven-car EMUs (since March 2008, originally delivered as six-car sets)
6020 series seven-car EMUs (from March 2018)

A 6000 series EMU in March 2018
A 6020 series EMU in December 2018

Former rolling stock[edit]

History[edit]

6 July 1927: The section between Ōimachi and Ōokayama was opened by the Meguro-Kamata Electric Railway (目黒めぐろ蒲田かまた電鉄でんてつ).
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 (東京とうきょう横浜よこはま電鉄でんてつ).
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.

Express services on the line were lengthened from six to seven cars in late fiscal 2017, and the platforms at Ōimachi, Hatanodai, and Jiyūgaoka were lengthened to handle the longer trains.^[4] Since December 2018, "Q Seat" reserved seating has been implemented on some express services that run between Ōimachi and Nagatsuta stations.^[5]

References[edit]

80周年しゅうねんを迎むかえ進化しんかする東急とうきゅう大井おおい町まち線せん-その1-. Japan Railfan Magazine (in Japanese): 118–125. July 2008.

^ "TOKYU CORPORATION 2019-2020". www.tokyu.co.jp. Retrieved 6 August 2023.
^ https://www.tokyu.co.jp/railway/ (This reference is for all the "Stations" section.)
^ Hirose, Atsushi (18 February 2019). "東急とうきゅう2000系けい改あらため，9020系けいが登場とうじょう" [Tokyu 2000 series reclassified as 9020 series]. Japan Railfan Magazine Online (in Japanese). Retrieved 20 December 2021.
^ 田園都市線でんえんとしせんおよび大井おおい町まち線せんの朝あさラッシュ時じの混雑こんざつ緩和かんわ施策しさくを実施じっし [Measures implemented to alleviate morning rush-hour overcrowding on Denentoshi and Ōimachi Lines] (PDF). News release (in Japanese). Japan: Tokyu Corporation. 22 March 2017. p. 2. Archived (PDF) from the original on 23 March 2017. Retrieved 23 March 2017.
^ "東急東横とうきゅうとうよこ線せん「Q SEAT」導入どうにゅう、10両りょう中ちゅう2両りょうをロング・クロス転換てんかん車両しゃりょうに". Mynavi News (in Japanese). Tokyu Toyoko Line "Q Seat" to be introduced, 2 out of 10 cars to use rotating transverse seating. 29 July 2022. Retrieved 30 July 2022.{{cite web}}: CS1 maint: others (link)

External links[edit]

Tokyu Corporation website (in English)

[1] "TOKYU CORPORATION 2019-2020". www.tokyu.co.jp. Retrieved 6 August 2023.

[2] ttps://www.tokyu.co.jp/railway/ (This reference is for all the "Stations" section.)

[9020_2019-02-18-3] Hirose, Atsushi (18 February 2019). "東急とうきゅう2000系けい改あらため，9020系けいが登場とうじょう" [Tokyu 2000 series reclassified as 9020 series]. Japan Railfan Magazine Online (in Japanese). Retrieved 20 December 2021.

[tokyu20170322-4] 田園都市線でんえんとしせんおよび大井おおい町まち線せんの朝あさラッシュ時じの混雑こんざつ緩和かんわ施策しさくを実施じっし [Measures implemented to alleviate morning rush-hour overcrowding on Denentoshi and Ōimachi Lines] (PDF). News release (in Japanese). Japan: Tokyu Corporation. 22 March 2017. p. 2. Archived (PDF) from the original on 23 March 2017. Retrieved 23 March 2017.

[mynavi_toyoko_qseat-5] "東急東横とうきゅうとうよこ線せん「Q SEAT」導入どうにゅう、10両りょう中ちゅう2両りょうをロング・クロス転換てんかん車両しゃりょうに". Mynavi News (in Japanese). Tokyu Toyoko Line "Q Seat" to be introduced, 2 out of 10 cars to use rotating transverse seating. 29 July 2022. Retrieved 30 July 2022.{{cite web}}: CS1 maint: others (link)

[1]

[2]

[3]

[4]

[5]

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