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Den-en-Toshi Line
Den-en-Toshi Line
	DT
	A Tokyu 2020 series EMU in May 2018
Overview
Native name	田園都市線
Owner	Tokyu Corporation
Locale	Kantō Region
Termini	Shibuya; Chūō-Rinkan;
Stations	27
Color on map	Green (#20A288)
Service
Type	Commuter rail
Depot(s)	Nagatsuta
Daily ridership	1,274,503 daily (2017)
History
Opened	11 October 1963; 61 years ago
Technical
Line length	31.5 km (19.6 mi)
Track gauge	1,067 mm (3 ft 6 in)
Electrification	1,500 V DC overhead catenary
Route map
Route map
	Legend
	Tokyo Metro Fukutoshin Line
	& Tōkyū Tōyoko Line
	JR-East Saikyō Line
	Shōnan-Shinjuku Line
	& Yamanote Line
	Tokyo
	Kanagawa
	Few Ōimachi Line trains through
	for Saginuma or Chūō-rinkan
	Yokohama Minatomirai Railway
	Kodomonokuni Line
	Kanagawa Prefecture
	Tokyo
	Minami-machida
	Grandberry Park
	This diagram: view; talk; edit;

The Den-en-toshi Line (田園都市線, Den'entoshi-sen, "Garden City Line") is a major commuter line operated by the private railway operator Tokyu Corporation and connecting south-western suburbs of Tokyo and neighbouring Kanagawa Prefecture, with its western terminus of Chūō-Rinkan, to a major railway junction of western downtown Tokyo, Shibuya. At Shibuya, nearly all the trains continue on the Tokyo Metro Hanzomon Line.

The line's color on maps and station guides is green, and stations carry the prefix "DT" followed by a number.^[2]

History

Prewar predecessors

On March 6, 1907, the Tamagawa Electric Railway (玉川電気鉄道, Tamagawa Denki Tetsudō, "Tamaden") opened the first section of an interurban line between Shibuya and what is now Futako-Tamagawa, using 1,372 mm (4 ft 6 in) gauge.^[3] The line was called the Tamagawa Line (玉川線) and is not to be confused with today's Tokyu Tamagawa Line (東急多摩川線). The branch from Sangen-Jaya Station opened on January 18, 1925.

Tama Den-En-Toshi Plan

In 1953, Tokyu Group president Keita Gotō unveiled a "new town" planning scheme called the South-Western Area Development Plan. He envisioned new railway line and freeway and large, clean houses for commuters working in Tokyo.^[4] The railway line would become the Tama Den-En-Toshi Line and the expressway the Tōmei Expressway. The parts of the new line completely overlaps the Tamagawa Line and the project is known as the Shin-Tamagawa Line or "New Tamagawa Line" which runs in an underground alignment under the old interurban line. The Tamagawa Line was closed in 1969 in anticipation for the opening of the Shin-Tamagawa Line, with the remaining branch line of the Tamagawa Electric Railway split off into the present Tokyu Setagaya Line. The underground Shin-Tamagawa Line opened a few years later in 1977, completely replacing the closed interurban line. Upon opening it was treated as a separate line from the Ōimachi Line connecting to said line at Futako-Tamagawa.^{[citation needed]}

Development of the line

In 2000, Tama Den-En-Toshi Line as depicted today was created by merging the Shin-Tamagawa Line and the section of the Ōimachi Line west of Futako-Tamagawa.^{[citation needed]} Trains through servicing into the Tokyo Metro Hanzōmon Line was extended beyond Suitengūmae into Isesaki Line and Nikkō Line of Tobu Railway on March 19, 2003.^[4]

Tokyu has expanded the line to four tracks from Futako-Tamagawa to Mizonokuchi; most trains of the Ōimachi line run through this section to Mizonokuchi, with some local trains making the intermediate stops. This service began in June 2009, postponed from fiscal 2007. Ōimachi line trains, which are 5- or 7-car sets, will then run between Ōimachi and Mizonokuchi.^[5]

Operation

Nearly all trains on the Den-en-toshi Line are operated through to/from the Tokyo Metro Hanzomon Line using Tokyu, Tokyo Metro, and Tobu Railway 10-car EMUs. Around half of them continue beyond Oshiage, the terminus of the Hanzomon Line, to the Tobu Skytree Line (Kita-Koshigaya Station, Kita-Kasukabe Station and Tōbu-Dōbutsu-Kōen Station), Tobu Isesaki Line (Kuki Station), and Tōbu Nikkō Line (Minami-Kurihashi Station).^[6] At rush hour, an inbound train arrives as frequently as every 2 minutes 10 seconds.

Service types

The following three types of service are operated on the line.^[6]

Local (各駅停車, Kakueki-teisha) (L): Stops at all stations. Eight services per hour in each direction during the daytime. Two of eight are not through service to the Hanzōmon Line.
Semi-Express (準急, Junkyū) (SE): In the morning rush hour, all limited-stop services are semi-express.; In the daytime, two services are operated per hour in each direction and connect to a local train at Shibuya (outbound only), Saginuma and Nagatsuta (inbound only).
Express (急行, Kyūkō) (Ex): Not operated in morning rush hour. In the daytime, six services are operated per hour in each direction and two of six is through to the Ōimachi Line. Most express connect to a local train at Sangen-jaya (inbound only), Futako-tamagawa (outbound and through service to the Ōimachi Line), Saginuma and Nagatsuta.

Through trains to Ōimachi Line

On weekends, two seven-car express trains per days are operated to/from Ōimachi and Nagatsuta. Also, a few trains are operated through to/from the Tōkyū Ōimachi Line to utilize forwardings to/from Saginuma depot, up to Ōimachi in the mornings, and down to Saginuma in the late evenings. These formations are 7-car sets, unlike the 10-car trains normally used on the line. A few express trains during the holidays also serve from Chūō-Rinkan in the mornings, down in the evenings.^{[citation needed]}

Stations

No.	Name	Japanese	Distance (km)	L	SE	Ex	Transfers	Location
↑ Through-services to/from Kuki via the Z Tokyo Metro Hanzomon Line • TS Tobu Skytree Line and TITobu Isesaki Line ↑ ↑ Through-services to/from Minami-kurihashi via the Z Tokyo Metro Hanzomon Line, TS Tobu Skytree Line & TN Tōbu Nikkō Line ↑
DT01	Shibuya	渋谷	0.0	O	O	O	Z Tokyo Metro Hanzomon Line (Z-01) TY Tōkyū Tōyoko Line JY Yamanote Line JA Saikyō Line JS Shōnan-Shinjuku Line Keio Inokashira Line G Tokyo Metro Ginza Line (G-01)^{[Note 1]} F Tokyo Metro Fukutoshin Line (F-16)	Shibuya	Tokyo
DT02	Ikejiri-ōhashi	池尻大橋	1.9	O	O	\|		Setagaya
DT03	Sangen-jaya	三軒茶屋	3.3	O	O	O	SG Tōkyū Setagaya Line
DT04	Komazawa-daigaku	駒沢大学	4.8	O	O	\|
DT05	Sakura-shimmachi	桜新町	6.3	O	O	\|
DT06	Yōga	用賀	7.6	O	O	\|
DT07	Futako-tamagawa	二子玉川	9.4	O	O	O	OM Tōkyū Ōimachi Line
DT08	Futako-shinchi	二子新地	10.1	O	\|	\|		Takatsu-ku, Kawasaki	Kanagawa
DT09	Takatsu	高津	10.7	O	\|	\|
DT10	Mizonokuchi	溝の口	11.4	O	O	O	OM Tōkyū Ōimachi Line JN Nambu Line (Musashi-Mizonokuchi)
DT11	Kajigaya	梶が谷	12.2	O	\|	\|
DT12	Miyazakidai	宮崎台	13.7	O	\|	\|		Miyamae-ku, Kawasaki
DT13	Miyamaedaira	宮前平	14.7	O	\|	\|
DT14	Saginuma	鷺沼	15.7	O	O	O
DT15	Tama-plaza	たまプラーザ	17.1	O	O	O		Aoba-ku, Yokohama
DT16	Azamino	あざみ野	18.2	O	O	O	Yokohama Municipal Subway Blue Line
DT17	Eda	江田	19.3	O	\|	\|
DT18	Ichigao	市が尾	20.6	O	\|	\|
DT19	Fujigaoka	藤が丘	22.1	O	\|	\|
DT20	Aobadai	青葉台	23.1	O	O	O
DT21	Tana	田奈	24.5	O	\|	\|
DT22	Nagatsuta	長津田	25.6	O	O	O	KD Kodomonokuni Line JH Yokohama Line	Midori-ku, Yokohama
DT23	Tsukushino	つくし野	26.8	O	O	\|		Machida	Tokyo
DT24	Suzukakedai	すずかけ台	28.0	O	O	\|
DT25	Minami-machida Grandberry Park	南町田グランベリーパーク	29.2	O	O	O
DT26	Tsukimino	つきみ野	30.3	O	O	\|		Yamato	Kanagawa
DT27	Chūō-rinkan	中央林間	31.5	O	O	O	Odakyu Enoshima Line	Yamato	Kanagawa

Footnotes

^ The transfer between the Hanzomon Line and the Ginza Line at Shibuya is an out-of-system transfer since they are separate stations. Due to the distance between the two stations, transfers between the two lines are announced at Omotesandō.

Rolling stock

Current

Tokyu 2020 series
Tokyu 5000 series
Tokyo Metro 8000 series
Tokyo Metro 08 series
Tokyo Metro 18000 series
Tobu 50050 series

Former

Tobu 30000 series
Tokyu 2000 series
Tokyu 8500 series
Tokyu 8590 series

References

^ "2018 boardings and deboardings | Tokyu Corporation". Archived from the original on 16 August 2019. Retrieved 9 May 2019.
^ "各駅・沿線情報" [Routes: Tokyu Corporation]. Tokyu Corporation (in Japanese). Archived from the original on 26 January 2022. Retrieved 18 March 2020.
^ "写真・図版（6枚目）| いまとはまるで違う56年前の「二子玉川」世田谷南西部を支えた路面電車「玉電」と「砧線」〈AERA〉" [Photos and illustrations: "Futako Tamagawa" 56 years ago, completely different from today Trams "Tamaden" and "Kinuta Line" that ran in the southwestern part of Setagaya]. AERA dot. 11 April 2020. Retrieved 5 March 2022.
^ ^a ^b "年譜｜東急電鉄". www.tokyu.co.jp. Retrieved 2020-03-18.
^ "3月28日大井町線の急行運転を開始。田園都市線の混雑緩和をめざします。" [March 28 Express service on the Oimachi Line begins. We aim to alleviate congestion on the Den-en-toshi Line.]. tokyu.co.jp. Archived from the original on 3 March 2009. Retrieved 6 August 2022.
^ ^a ^b "Den-en-toshi Line Chuo-Rinkan Timetable | Tokyu Corporation". transfer.navitime.biz. Archived from the original on 5 June 2022. Retrieved 18 March 2020.
^ Ueshin, Daisuke (17 March 2017). 東急田園都市線2020系、新型車両は「これまでにない新しさ」2018年春導入へ [New Tokyu Denentoshi Line 2020 series trains to be introduced in spring 2018]. Mynavi News (in Japanese). Japan. Archived from the original on 19 March 2017. Retrieved 19 March 2017.
^ さようなら東急8500系！最後の8637編成が引退「これまでのご愛顧に感謝」 [Goodbye, Tokyu 8500 series! The set, 8637, has been retired]. Traffic News (in Japanese). 2023-01-25. Retrieved 2023-01-25.