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Station History & Timeline
17 Events
1927
7月15日
The station opened as Mizono-kuchi Station on the Tamagawa Electric Railway Mizono-kuchi Line (tramway), initially located alongside the Nambu Railway station.
Machine translation — show Japanese original
玉川電気鉄道溝ノ口線（軌道）の溝ノ口駅として開業。当初は南武鉄道の駅に並ぶように設置された。
1943
7月1日
The Mizonokuchi Line was regauged and incorporated into the Oimachi Line, and was realigned to intersect the Nambu Line at a right angle.
Machine translation — show Japanese original
溝ノ口線が改軌の上、大井町線に編入される。南武線に対して直角に入るように変更される。
1963
10月11日
The Ōimachi Line was renamed the Den-en-toshi Line.
Machine translation — show Japanese original
大井町線を「田園都市線」に改称。
1965
8月20日
The station building was rebuilt.
Machine translation — show Japanese original
駅舎改築。
1966
1月20日
The line was elevated as part of the extension work on the Oimachi Line, and the station was simultaneously renamed Mizono-ku Station, but then later it was renamed to Mizonokuchi Station.
Machine translation — show Japanese original
大井町線の延伸工事に併せて高架化。同時に駅名を溝の口駅に改称。
1966
4月1日
The extension from this station to Nagatsuta opened.
Machine translation — show Japanese original
当駅から長津田までの延伸区間が開業。
1979
8月12日
Direct service began from Den-en-toshi Line's Nikotama River Garden Station to the Teito Rapid Transit Authority's Hanzomon Line via the Shin-tamagawa Line, and the section between Oimachi and Nikotama River Garden was separated as the Oimachi Line.
Machine translation — show Japanese original
田園都市線二子玉川園（当時）駅から新玉川線を経由して帝都高速度交通営団（現・東京地下鉄）半蔵門線方面へ直通運転を開始。同時に大井町 - 二子玉川園間を大井町線として分離。
1989
1月
In 1989, improvement construction work began at the station.
Machine translation — show Japanese original
（平成元年） - 当駅の改良工事に着手。
1992
9月11日
The 4th platform at the station was completed and began operation in conjunction with a timetable revision, at which point the down line used the 2nd platform and the up line used the 3rd and 4th platforms, with the 1st platform being unused.
Machine translation — show Japanese original
当駅の4番線が完成、ダイヤ改正に合わせて使用開始した。この時点で下り線が2番線、上り線が3・4番線となり、1番線は欠番となっていた。
1993
12月4日
The new Central ticket gate on the second floor above ground was completed and began operation.
Machine translation — show Japanese original
地上2階の新中央改札口が完成・使用開始。
2000
3月
An elevator is installed inside the Shinmei-guchi ticket gate.
Machine translation — show Japanese original
正面口改札内にエレベーターが設置される。
2008
7月27日
The down platform on the Den-en-toshi Line was switched from Track 2 to Track 1.
Machine translation — show Japanese original
田園都市線下りホームを2番線から1番線に切り替え。
2009
6月15日
The up-platform on the Den-en-toshi Line was switched from Track 3 to Track 4, and the Track 3 platform became a platform for semi-express and express trains stopping only during morning rush hours.
Machine translation — show Japanese original
田園都市線上りホームを3番線から4番線に切り替え。3番線ホームは朝ラッシュ時のみ準急・急行列車が停車するようになる。
2009
7月11日
With the quadrupling of the Den-en-toshi Line, the Omotesando Line began operating into this station.
Machine translation — show Japanese original
田園都市線複々線化により大井町線が当駅まで乗り入れ開始。
2014
7月
The lighting for the platforms, concourses, and passenger toilets, among others, became the fifth all-station LED lighting on Tokyu Corporation.
Machine translation — show Japanese original
ホーム、コンコース、旅客トイレ等の照明が、東急電鉄で5番目となる全駅LED照明となる。
2017
12月10日
Platform doors began operating on platforms 1 and 4.
Machine translation — show Japanese original
1・4番線でホームドアの運用開始。
2022
2月28日
The regular ticket sales office ended operations.
Machine translation — show Japanese original
定期券売り場が営業を終了。
Timeline adapted from Japanese Wikipedia, available under CC BY-SA 4.0.
Landmarks
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Standard Access
Getting around
Platforms, transfers and navigation
Platform Layout & Transfers
PLATFORM LAYOUT (DT TOKYU DEN-EN-TOSHI LINE)
1
Down
鷺沼 · 長津田 · 中央林間
4
Up
渋谷 · 押上〈スカイツリー前〉 · 春日部
↕ Platforms 1, 4 serve this line
Transfers from this platform
→
OM Tokyu Oimachi Line
Tokyu
2 min
Easy
PLATFORM LAYOUT (OM TOKYU OIMACHI LINE)
2
（降車専用）
3
Up
二子玉川 · 自由が丘 · 大井町
↕ Platforms 2, 3 serve this line
Transfers from this platform
→
DT Tokyu Den-en-toshi Line
Tokyu
2 min
Easy
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Mizonokuchi Station FAQ
What train lines connect at Mizonokuchi Station?
Mizonokuchi Station is served by DT Tokyu Den-en-toshi Line, OM Tokyu Oimachi Line.