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Station History & Timeline
31 Events
1929
1月26日
It opened as Mitaka Temporary Signal Station of the Ministry of Railways.
Machine translation — show Japanese original
鉄道省の三鷹仮信号場として開設。
1929
6月
The predecessor to the current Mitaka Train Depot, the "Nakano Electric Car Depot Mitaka Branch", was newly established, and in September it became independent as the "Mitaka Electric Car Depot".
Machine translation — show Japanese original
に、現在の三鷹電車区の前身となる「中野電車庫三鷹派出所」が新設され、9月には「三鷹電車庫」として独立した。
1929
9月1日
It was relocated and became Mitaka Signal Field.
Machine translation — show Japanese original
移転して、三鷹信号場となる。
1930
6月25日
Mitaka Station was elevated in status, initially having only a south exit.
Machine translation — show Japanese original
三鷹駅に昇格。当初は南口のみ。
1941
The Musashino entrance, now known as the North entrance, was opened.
Machine translation — show Japanese original
武蔵野口（現在の北口）開設。
1949
6月1日
Japanese National Railways was established.
Machine translation — show Japanese original
日本国有鉄道発足。
1949
7月15日
The Mitaka incident occurred, in which an unmanned train ran out of control, resulting in 6 deaths.
Machine translation — show Japanese original
三鷹事件発生。無人列車が暴走し、死者6人を出した。
1951
4月14日
The section between this station and Musashino Sports Stadium Station opened.
Machine translation — show Japanese original
当駅 - 武蔵野競技場前駅間が開通。
1959
The Musashino Sports Arena Line, a branch of the Chuo Main Line, was effectively only in operation for about a year after its opening and remained suspended for a long time, with part of its former site now being used as a pedestrian path and concrete remnants of a bridge abutment still existing near Mitaka Station at the Tamagawa Aqueduct.
Machine translation — show Japanese original
武蔵野競技場線（中央本線支線）は、実質的には開通から1年しか運用されておらず、長らく休止状態にあった。廃止後は跡地の一部が遊歩道に利用されている。三鷹駅近くの玉川上水には橋台跡のコンクリートが現在も残されている。
1959
11月1日
The section between this station and Musashino Sports Stadium Station was abolished.
Machine translation — show Japanese original
当駅 - 武蔵野競技場前駅間が廃止。
1969
4月
Due to quadruple-tracking work to alleviate morning commuting congestion, through trains from the Chuo-Sobu Line and Teito Rapid Transit Authority Toei Oedo Line were extended from Ogikubo to this station.
Machine translation — show Japanese original
朝通勤ラッシュ緩和のための複々線化工事により中央・総武線（各駅停車）および営団東西線からの直通電車が荻窪から当駅まで延長。
1969
4月6日
The station was elevated.
Machine translation — show Japanese original
橋上駅舎化。
1985
3月14日
Freight handling was abolished.
Machine translation — show Japanese original
荷物扱い廃止。
1987
4月1日
With the privatization of Japanese National Railways, it became a station of East Japan Railway Company (JR East).
Machine translation — show Japanese original
国鉄分割民営化に伴い、東日本旅客鉄道（JR東日本）の駅となる。
1992
7月7日
Automatic ticket gates were installed and put into use.
Machine translation — show Japanese original
自動改札機を設置し、使用を開始する。
1993
The first phase construction of Mitaka Station south exit plaza, which started the previous year, and the Neo-City Mitaka cooperative building in the sixth block of the Mitaka Station south exit station front redevelopment area, which started construction in 1991, were completed.
Machine translation — show Japanese original
三鷹駅南口広場第1期工事（前年着工）及び三鷹駅南口駅前再開発地区第六ブロック協同ビル（ネオシティ三鷹・1991年着工）竣工。
1999
The Mitaka Station south exit redevelopment area's seventh block cooperative building, Crescent Mitaka, and Mitaka RonRon, now known as Atre Vitae Mitaka, were completed.
Machine translation — show Japanese original
三鷹駅南口駅前再開発地区第七ブロック協同ビル（クレッセント三鷹・1997年着工）及び三鷹ロンロン（前年着工、現・アトレヴィ三鷹）竣工。
2001
11月18日
The IC card "Suica" becomes available for use.
Machine translation — show Japanese original
ICカード「Suica」の利用が可能となる。
2006
The second phase construction of Mitaka Station south exit plaza was completed.
Machine translation — show Japanese original
三鷹駅南口広場第2期工事竣工。
2007
12月16日
The station commercial facility "Dila Mitaka" (Phase I) opened.
Machine translation — show Japanese original
駅ナカ商業施設「ディラ三鷹」（第Ⅰ期）開業。
2008
3月29日
The station-building commercial facility "Dila Mitaka" (Phase II) opened.
Machine translation — show Japanese original
駅ナカ商業施設「ディラ三鷹」（第Ⅱ期）開業。
2009
3月29日
The station-building commercial facility "Dila Mitaka" (Phase III) opened.
Machine translation — show Japanese original
駅ナカ商業施設「ディラ三鷹」（第Ⅲ期）開業。
2009
6月25日
The in-station commercial facility "Dila Mitaka" (Phase IV) opened and held its grand opening.
Machine translation — show Japanese original
駅ナカ商業施設「ディラ三鷹」（第Ⅳ期）開業し、グランドオープン。
2010
6月26日
The departure melody was changed to "Medaka no Gakkō".
Machine translation — show Japanese original
発車メロディを「めだかの学校」に変更。
2014
9月11日
The in-station commercial facility "Dila Mitaka" was integrated into "Atre Vie Mitaka" and renovated.
Machine translation — show Japanese original
駅ナカ商業施設「ディラ三鷹」が「アトレヴィ三鷹」に統合され、リニューアル。
2019
3月16日
With the timetable revision, all limited express "Azusa" and "Kaiji" trains became non-stop, leaving only the "Narita Express" as the limited express train stopping at the station.
Machine translation — show Japanese original
ダイヤ改正に伴い特急「あずさ」「かいじ」の全列車が通過となり、当駅に停車する特急は「成田エクスプレス」のみとなる。
2020
3月14日
With the timetable revision, all Central Line trains stopping at this station and entering Tokyo Station became rapid services, and all Central Line local trains operated as through trains to Chiba Station via Total Tobu Line's Ochanomizu Station throughout the day.
Machine translation — show Japanese original
ダイヤ改正に伴い当駅停車で東京駅乗入の中央線は全て快速系統となり、中央線各駅停車は全て総武線御茶ノ水駅経由で千葉駅までの直通列車を終日運行するようになる。
2021
3月25日
A station-in-office called "STATION WORK" with a coworking-type "STATION DESK" was opened on the rapid line platform.
Machine translation — show Japanese original
快速線ホーム上に駅ナカシェアオフィス「STATION WORK」のコワーキング型「STATION DESK」が開設。
2024
3月16日
With the timetable revision, the Narita Express through service on the Chuo Rapid Line was abolished, and all limited express trains stopping at the station were discontinued.
Machine translation — show Japanese original
ダイヤ改正に伴い特急「成田エクスプレス」の中央快速線直通系統が廃止となり、当駅に停車する特急列車が全廃された。
2026
Within the fiscal year, the use of slit-frame platform doors is scheduled to start on the JR East 1st and 2nd platform lines for the Chuo and Sobu local trains.
Machine translation — show Japanese original
年度内：JR東日本の1・2番線（中央・総武線各駅停車）ホームでスリットフレームホームドアの使用を開始（予定）。
2026
Within the fiscal year, the use of slit-frame platform doors is scheduled to start on the JR East 4th and 6th platform lines (Chuo Rapid Line).
Machine translation — show Japanese original
年度内：JR東日本の4・6番線（中央線快速）ホームでスリットフレームホームドアの使用を開始（予定）。
Timeline adapted from Japanese Wikipedia, available under CC BY-SA 4.0.
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めだかの学校
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Platform Layout & Transfers
PLATFORM LAYOUT (CHŪŌ LINE (RAPID))
3・4
Down
立川 · 八王子 · 高尾
5・6
Up
中野 · 新宿 · 東京
↕ Platforms 3, 4, 5, 6 serve this line
Transfers from this platform
→
Chūō–Sōbu Line (Local)
JR-East
2 min
Easy
PLATFORM LAYOUT (CHŪŌ–SŌBU LINE (LOCAL))
1・2
Up
中野 · 新宿 · 西船橋
↕ Platforms 1, 2 serve this line
Transfers from this platform
→
Chūō Line (Rapid)
JR-East
2 min
Easy
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Mitaka Station FAQ
What train lines connect at Mitaka Station?
Mitaka Station is served by Chūō Line (Rapid), Chūō–Sōbu Line (Local).