View source for Osaka Metro

{{short description|Japanese transit company from Keihanshin}}
{{Infobox Public transit
| name = Osaka Metro
| image = Osaka Metro logo.svg
| imagesize = 100px
| image2 = Osaka Metro 3000 series 21 series at Momoyamadai Station 2019-11-17 (49925582398).jpg
| imagesize2 = 300px
| image3 = Osaka-Metro Series400-409-01.jpg
| imagesize3 = 300px
| caption3 = '''Top:''' [[New 20 series]] (21 series) and [[Osaka Municipal Subway 30000 series|30000 series]] trains on the [[Midōsuji Line]]. <br /> '''Bottom:''' A [[Osaka Metro 400 series|400 series]] train on the [[Osaka Metro Chūō Line|Chuo Line]].
| native_name = 大阪メトロ{{efn|The official name of the network in Japanese is still written as '''Osaka Metro''' (in English).|name=metroname}}
| owner = [[#Management|Osaka Metro Co., Ltd]]
| locale = [[Keihanshin|Keihanshin region]], [[Japan]]
| transit_type = [[Tram]]<ref name="tetsuyou">{{Cite book|author=[[Ministry of Land, Infrastructure and Transport (Japan)|Kokudo Kōtsū Shō]] Tetsudō Kyoku|title=Tetsudō Yōran (Heisei 17 Nendo)|year=2005|language=ja|publisher=Denkisha Kenkyūkai|location=Tokyo|isbn=4-88548-106-6|page=228}}
</ref> and [[Rail transport in Japan|rail]]{{efn|The Osaka Metro Company ''de jure'' operates transit that is subject to both the Tram Act and Railway Business Act.|name=tram}} (''[[de jure]]'')<br />[[Rapid transit|Metro]]; [[Automated guideway transit|AGT]] (''[[de facto]]'')
| lines = 8 (+ 1 People Mover)
| stations = [[List of Osaka Metro stations|124]]<ref name="overview" /><br />134 (incl. People Mover)<ref name="overview" />
| ridership = 2,464,000 (FY2013)<ref name="balance_sheet">{{cite web |url=http://www.kotsu.city.osaka.lg.jp/business/management/financial/yosan_kessan.html |title=交通局の予算・決算について |publisher=大阪市営交通局 [Osaka Municipal Transportation Bureau] |language=ja |trans-title=For budget and balance sheet of Transportation Bureau |access-date=December 18, 2014 |archive-url=https://web.archive.org/web/20141218212601/http://www.kotsu.city.osaka.lg.jp/business/management/financial/yosan_kessan.html |archive-date=December 18, 2014 |url-status=dead }}</ref>
| annual_ridership = 
| operator = [[Osaka Municipal Transportation Bureau]] (1933–March 31, 2018) <br /> Osaka Metro Co. (April 1, 2018–present; 100% owned by the Osaka Municipal Government)
| began_operation = {{start date and age|1933|05|20|df=y}}
| vehicles = 
| system_length = {{cvt|133.1|km|mi|abbr=on}}<ref name="overview"/><br>{{cvt|141|km|mi|abbr=on}} (incl. <br>People Mover)<ref name="overview"/>
| track_gauge = {{RailGauge|sg|allk=on}}
| average_speed = 
| top_speed = {{cvt|70|km/h|mph|abbr=on}}
| el = {{750 V DC|conductor=y}}<br />{{1,500 V DC}} [[overhead catenary]] ([[Sakaisuji Line|Sakaisuji]], [[Nagahori Tsurumi-ryokuchi Line|Nagahori Tsurumi-ryokuchi]] and [[Imazatosuji Line|Imazatosuji]] lines)<br />600 [[Volt|V]] [[Three-phase electric power|3-phase]] [[Alternating current|AC]] 60 [[Hertz|Hz]] third rail ([[Nankō Port Town Line]])
| map = [[File:Wide-Area Map of Osaka City Subway.png|300px]]
| map_state = show
}}

The {{nihongo|'''Osaka Metro'''|大阪メトロ{{efn|name=metroname}}|Ōsaka Metoro}} is a major [[rapid transit system]] in the [[Osaka Metropolitan Area|Osaka metropolitan area]] of [[Japan]], operated by [[#Management|the Osaka Metro Company, Ltd]]. The system opened in 1933 as the [[Midōsuji Line|Osaka Municipal Subway]], becoming [[List of metro systems|Asia's second oldest underground railway]] after the [[Tokyo Underground Railway]] (1927). 

Osaka Metro forms an [[Transport in Greater Osaka|integral part]] of the extensive mass transit system of Greater Osaka (part of the [[Kansai]] region), having [[List of Osaka Metro stations|123]]<ref name="overview" /> out of the 1,108 rail stations (2007) in the [[Osaka-Kobe-Kyoto]] region.<ref>[http://www.misol.ne.jp/information/option_datalist.htm MiSoL ASP会員サービス・アプリケーション概要<!-- Bot generated title -->] {{webarchive|url=https://web.archive.org/web/20071027074625/http://www.misol.ne.jp/information/option_datalist.htm |date=2007-10-27 }}</ref> In 2010, the greater Osaka region had 13 million rail passengers daily of which the then-Osaka Municipal Subway accounted for 2.29 million.<ref>{{Cite web |url=http://www.mlit.go.jp/kisha/kisha07/01/010330_3/01.pdf |title=Archived copy |access-date=2011-10-26 |archive-url=https://web.archive.org/web/20180508111732/http://www.mlit.go.jp/kisha/kisha07/01/010330_3/01.pdf |archive-date=2018-05-08 |url-status=live }}</ref>

Osaka Metro is the only subway system in Japan to be partially [[Rail transport in Japan#Railway and tram|legally classified]] as a [[tram]] system ([[Transport in Keihanshin]]) ,{{efn|name=tram}} whereas all other subway systems in Japan are legally classified as [[railway]]s. Despite this, it has all the characteristics typical of a full-fledged metro system.<ref name="tetsuyou" />

With an average daily ridership of approximately 2.44 million passengers in fiscal year 2023, the network plays a central role in Osaka City’s public transportation system.<ref name=":0" />

==History==
[[File:2nd Osaka station from east.jpg|thumb|left|Osaka municipal trams in the early 1900s]]
[[file:Midosuji Line Yodoyabashi Station old.jpg|thumb|Midosuji Line [[Yodoyabashi Station]] in 1933]]
In 1903, the [[Osaka Municipal Transportation Bureau]] began operating its municipal tram system between Hanazonobashi and Chikkō-Sambashi. As the city expanded, the streetcar network grew to provide service across most of Osaka, eventually reaching a total length of 118 km, making it one of Japan’s largest tram systems, second only to the [[Tokyo Toden|Tokyo Metropolitan Tram]].<ref>{{Cite web |title=1903 （明治36）年 築港大道路（現みなと通）開通。築港大桟橋完成。大阪市電開通 |url=https://www.city.osaka.lg.jp/minato/page/0000341909.html |access-date=2025-12-27 |website=大阪市 |language=ja}}</ref>

The [[World War I|First World War]] prompted rapid growth in Osaka’s commerce and industry. However, existing transportation systems primarily streetcars and the municipal bus network, which the latter began operations in 1927 proved insufficient to meet rising demand. In response, Osaka City formulated a plan in 1925 for a subway network consisting of four lines totaling 54.5 km. As part of this plan, Japan’s first publicly operated subway line, Line 1 (now the Midosuji Line), opened in May 1933, initially covering 3.1 km between [[Umeda Station|Umeda]] and [[Shinsaibashi Station|Shinsaibashi]].<ref name=":0">{{Cite web |title=大阪市営地下鉄｜日本の地下鉄｜日本地下鉄協会 |url=https://www.jametro.or.jp/japan/osaka.html |access-date=2025-12-27 |website=www.jametro.or.jp}}</ref><ref name="railfan576">{{cite magazine |date=April 2009 |title=公営地下鉄在籍車数ビッグ3 大阪市交通局 (One of the big three public subway operators: Osaka Municipal Subway) |magazine=[[Japan Railfan Magazine]] |pages=88–99 |volume=49 |issue=576}}</ref> As a north–south [[trunk route]], it is the oldest and busiest line in the whole network.<ref name="most crowded train lines Osaka">{{cite news |last=Rogers |first=Krista |title=The most crowded train lines during rush hour in Tokyo, Osaka, and Nagoya are... |url=http://en.rocketnews24.com/2014/09/07/the-most-crowded-train-lines-during-rush-hour-in-tokyo-osaka-and-nagoya-are/ |url-status=dead |archive-url=https://web.archive.org/web/20140908133111/http://en.rocketnews24.com/2014/09/07/the-most-crowded-train-lines-during-rush-hour-in-tokyo-osaka-and-nagoya-are/ |archive-date=September 8, 2014 |access-date=September 8, 2014 |work=Rocket News 24}}</ref><ref name="大阪府内で働く人の通勤時間">{{cite news |date=September 9, 2014 |script-title=ja:大阪府内で働く人の通勤時間は「52分」——理想の路線は？ |url=http://bizmakoto.jp/makoto/articles/1409/04/news100.html |url-status=live |archive-url=https://web.archive.org/web/20140907123841/http://bizmakoto.jp/makoto/articles/1409/04/news100.html |archive-date=September 7, 2014 |access-date=September 8, 2014 |website=bizmakoto.jp |language=ja}}</ref><ref name="overview" /> Both it and the main east–west route, the [[Chūō Line (Osaka)|Chūō Line]], were later extended to the north and east, respectively. These extensions are owned by other railway companies, but both Osaka Metro and these private operators run their own set of trains [[through train|through between the two sections]]. 

Subway construction was temporarily halted during [[World War II]] but resumed vigorously in the postwar period. During the 1950s, transportation demand increased alongside intensified socio-economic activity, particularly as [[Societal effects of cars|motorization]] accelerated. Under these circumstances, subway development was strongly promoted, resulting in the completion of a 64.2 km network of six lines forming a grid pattern across the city center by 1970, the year of the [[Expo '70|World Expo]]. Subsequent extensions to the outskirts of the city and into the surrounding prefecture continued, and by 1987 the network had expanded to a total length of 99.1 km.<ref name=":0" />

In 1990, in conjunction with the [[Expo '90|International Garden and Greenery Exposition]], Japan’s first linear motor subway line, Line 7 (the [[Nagahori Tsurumi-ryokuchi Line]]), opened between Kyobashi and Tsurumi-ryokuchi, and was later extended into the city center.

In July 2005, the Osaka Port Transport System became the unified operator of the Cosmosquare–Osaka Port section of the Osaka Port Transport System.

In December 2006, the second linear motor subway line, Line 8 (the [[Imazatosuji Line]]), opened between Itakano and Imazato. This line connects with four existing subway lines, the [[Keihan Main Line]], and the JR [[Gakkentoshi Line]], significantly improving network connectivity. As a result, the Osaka Municipal Subway expanded to eight lines, with 129.9 km of track and 123 stations.<ref name=":0" />

On April 1, 2018, the system was privatized as Osaka Municipal Subway Co., Ltd., commonly known as Osaka Metro.

In January 2025, in preparation for the 2025 Osaka–Kansai Expo, the Osaka Port Transport System is scheduled to open the Hokko Technoport Line, a 3.2 km section between Cosmosquare and Yumeshima, and will operate passenger services as a Class II railway operator.<ref name=":0" />

===Today===
All but one of the remaining lines of the network, including the [[Yotsubashi Line]], [[Tanimachi Line]], and [[Sennichimae Line]], are completely independent lines with no through services. The lone exception is the [[Sakaisuji Line]], which operates through trains to existing [[Hankyu Railway]] lines and is the only line to operate through services to existing railway lines that are not isolated from the [[suburban rail|national rail network]] (which is the case with the Midōsuji and Chūō Lines). As such, it is not compatible with the rest of the lines.

Nearly all stations have a [[letter number combination]], the letter identifying the line served by the station and the number indicating the relative location of the station on the line. For example, Higobashi Station on the Yotsubashi Line is also known as Y12. This combination is heard in bilingual Japanese-English automated next-station announcements on board all trains, which also provide information on local businesses near the station. Only Hankyu stations served by the Sakaisuji Line do not follow this convention.

==Management==
{{Infobox company
| name = Osaka Metro Co., Ltd
| trade_name = Osaka Metro
| native_name = [[w:ja:大阪市高速電気軌道|大阪市高速電気軌道]]株式会社
| native_name_lang = ja
| romanized_name = Ōsaka-shi Kōsoku Denki Kidō kabushiki gaisha<br />lit. "Osaka Municipal Rapid Electric Tramway Share Company"
| logo = Osaka Metro logo 3.svg
| logo_size = 200px
| image = Osaka Municipal Transportation Bureau Main office.jpg
| image_caption = Headquarters
| type = [[Privately held company|Private]] ([[municipally owned corporation|Municipally owned]] ''[[kabushiki gaisha]]'')
| industry = [[Transportation industry|Transportation]]
| predecessor = [[Osaka Municipal Transportation Bureau]]
| founded = {{Start date and age|2017|06|01}} (incorporation)<br />{{start date and age|2018|04|01}} (effective corporatization of Osaka Municipal Transportation Bureau)
| founder = [[Osaka]] Municipal Government
| hq_location_city = [[Nishi-ku, Osaka]]
| hq_location_country = Japan
| area_served = [[Keihanshin]]
| key_people = 
| products = 
| owner = Osaka Municipal Government (100%)
| subsid = {{Interlanguage link|大阪シティバス|ja|lt=Osaka City Bus Corporation}}
| num_employees = 4,936
| num_employees_year = 2019
| website = {{URL|https://www.osakametro.co.jp/en/}}
}}

The network is operated by a [[municipally owned corporation|municipally owned]] [[kabushiki gaisha|stock company]] trading as the '''Osaka Metro Company, Ltd.'''{{efn|in Japanese: {{nihongo||大阪市高速電気軌道株式会社|Ōsaka-shi Kōsoku Denki Kidō kabushiki gaisha|lit. "Osaka Municipal Rapid Electric Tramway Share Company"}}. The {{nihongo|"rapid electric tramway"|高速電気軌道|kōsoku denki kidō}} part is used due to the fact that Osaka Metro lines are officially named "Rapid Electric Tramway Line No. X" (with X referring to the line number); see individual line articles for example}} The Osaka Metro Co. is the direct legal successor to the [[Osaka Municipal Transportation Bureau]], which operated the subway as {{nihongo foot|the '''Osaka Municipal Subway'''|大阪市営地下鉄|Ōsaka-shiei chikatetsu|group=lower-alpha}}; under the Bureau's management, the subway was the oldest publicly operated subway network in Japan, having begun operations in 1933. A proposal to [[corporatization|corporatize]] the Osaka subway was sent to the city government in February 2013 and was given final approval in 2017. The rationale behind corporatization is that it would bring private investors to Osaka and could help revive Osaka's economy. The Osaka Metro Co. was incorporated on June 1, 2017, and took over operations on April 1, 2018.

The Osaka Metro Co. also operates all city buses in Osaka, through its majority-owned subsidiary, the {{Interlanguage link|大阪シティバス|ja|lt=Osaka City Bus Corporation}}.

===Branding===
Osaka Metro stations are denoted by the Osaka Metro Co.'s corporate logo, a white-on-dark-blue icon placed at ground-level entrances, depicting an "M" (for "Metro") based on a coiled ribbon, which would form an "O" (for "Osaka") when viewed from the side (this symbol is officially called the "moving M"), with the "Osaka Metro" [[wordmark]] set in the [[Gotham (typeface)|Gotham]] typeface. "Osaka Metro" (in Latin characters) is the official branding in Japanese, and is always represented as such in official media. (News outlets have been seen to use 大阪メトロ, presumably to better flow with article text.) Individual lines are represented by a public-facing name (e.g. "Midōsuji Line" for Rapid Electric Tramway Line No. 1) and a specific color, as well as a single Latin letter, which is paired with a different number at each station for easy identification (see below). Icons for each line (featured in station wayfinding signage) are represented by a solid [[roundel]] in the line color, superimposed with the line's letter-designation in the [[Parisine]] typeface.

An older branding (also used on the original [[tram]] network run by the city until 1969) is the "Mio-Den" mark, which depicts an old-fashioned {{nihongo|depth-marker, [[File:Emblem_of_Osaka,_Osaka.svg|16px]]|澪標|mio-tsukushi}}, the logo for [[Osaka]] City, over the [[kanji]] for {{nihongo|electricity|電|den}}, short for {{nihongo|"electric train"|電車|densha}}. This mark is still present on newer trainsets and staff uniforms as Osaka Metro retained it as its [[mon (emblem)|''monsho'']], as well as a connection to the subway network's roots.

When it was run by the [[Osaka Municipal Transportation Bureau]], the subway used a logo known as the {{nihongo|"Circle-Ko"|マルコ|Maru-Ko}} symbol, which is a katakana {{nihongo|"ko"|コ}} for {{nihongo|"Urban rail transit"|高速鉄道|kōsoku tetsudō}} superimposed over a circular capital "O" for "Osaka" (see infobox, above). This remained on many older trainsets and at stations, until it was completely replaced by the Osaka Metro logo by 2020.

==Lines==
Currently, there are eight lines, operating on {{convert|133.1|km|mi|sp=us}} of track and serving 124 stations; there is also a {{convert|7.9|km|mi|adj=on|sp=us}}-long, 10-station [[automated guideway transit]] line known as the "New Tram".<ref name="overview">{{cite web |url=http://www.kotsu.city.osaka.lg.jp/enjoy/web_museum/subway/business.html |script-title=ja:営業線の概要 |publisher=大阪市営交通局 [Osaka Municipal Transportation Bureau] |language=ja |trans-title=Overview of operating lines |access-date=June 7, 2014 |archive-url=https://web.archive.org/web/20140111193102/http://www.kotsu.city.osaka.lg.jp/enjoy/web_museum/subway/business.html |archive-date=January 11, 2014}}</ref>

{| class="wikitable sortable" style=margin:auto;font-align:center;text-align:center
|-
! Line color
! Line icon
! Line number
! Name
! Japanese
! First Opened
! Last Extension
! Length<ref name="overview" />
! Stations<ref name="overview" />
! Train Length
|-
! colspan=10 | [[Rapid transit]]
|-
| rowspan=2 style="background:#{{rcr|Osaka Metro|M}};"|{{Color|white|Red}}
| rowspan=2 style="text-align:center;"|[[File:Osaka Metro Midosuji line symbol.svg|align="center"|22px]]
| ''Via trackage rights''
| style="text-align:left;"|''[[Kita-Osaka Kyuko Railway|Kitakyū Namboku Line]]''
| 北大阪急行電鉄
| ''1970''
| ''2024''
| {{convert|8.4|km|mi|abbr=on}}
| ''6''<ref group="Note">Including [[Esaka Station]]</ref>
| rowspan="2" |10 cars
|-
| Line 1
| style="text-align:left;"|[[Midōsuji Line]]
| 御堂筋線
| 1933
| 1987
| {{convert|24.5|km|mi|abbr=on}}
| 20
|-
| style="background:#{{rcr|Osaka Metro|T}};"|{{Color|white|Purple}}
| style="text-align:center;"|[[File:Osaka Metro Tanimachi line symbol.svg|align="center"|22px]]
| Line 2
| style="text-align:left;"|[[Tanimachi Line]]
| 谷町線
| 1967
| 1983
| {{convert|28.1|km|mi|abbr=on}}
| 26
|6 cars
|-
| style="background:#{{rcr|Osaka Metro|Y}};"|{{Color|white|Blue}}
| style="text-align:center;"|[[File:Osaka Metro Yotsubashi line symbol.svg|align="center"|22px]]
| Line 3
| style="text-align:left;"|[[Yotsubashi Line]]
| 四つ橋線
| 1942
| 1972
| {{convert|11.4|km|mi|abbr=on}}
| 11
|6 cars
|-
| rowspan=3 style="background:#{{rcr|Osaka Metro|C}};"|{{Color|white|Green}}
| rowspan=2 style="text-align:center;"|[[File:Osaka Metro Chuo line symbol.svg|align="center"|22px]]
| rowspan=2 | Line 4
| rowspan=2 style="text-align:left;"|[[Chūō Line (Osaka)|Chūō Line]] (''[[Yumehanna]]'')
| rowspan=2 | 中央線
| 1997<ref group="Note">Owned by Osaka Port Transport System between [[Yumeshima Station]] and [[Ōsakakō Station]]</ref>
| 2025
| {{convert|5.6|km|mi|abbr=on}}
| 3<ref group="Note">Including [[Ōsakakō Station]]</ref>
| rowspan="3" |6 cars
|-
| 1961<ref group="Note">Between [[Ōsakakō Station]] and [[Nagata Station (Osaka)|Nagata Station]]</ref>
| 1985
| {{convert|15.5|km|mi|abbr=on}}
| 13
|-
| <big>{{rcb|Kintetsu|Keihanna|route}}</big>
| ''Via trackage rights''
| style="text-align:left;"|''[[Keihanna Line]] (''[[Yumehanna]]'')''
| 近鉄けいはんな線
| ''1986''
| ''2006''
| ''{{convert|18.8|km|mi|abbr=on}}''
| ''8''<ref group="Note">Including [[Nagata Station (Osaka)|Nagata Station]]</ref>
|-
| style="background:#{{rcr|Osaka Metro|S}};"|{{Color|white|Pink}}
| style="text-align:center;"|[[File:Osaka Metro Sennichimae line symbol.svg|align="center"|22px]]
| Line 5
| style="text-align:left;"|[[Sennichimae Line]]
| 千日前線
| 1969
| 1981
| {{convert|12.6|km|mi|abbr=on}}
| 14
|4 cars
|-
| rowspan=3 style="background:#{{rcr|Osaka Metro|K}};"|{{Color|white|Brown}}
| rowspan=2 style="text-align:center;"|[[File:Number prefix Hankyu Kyōto line.svg|align="center"|22px]]
| rowspan=2 | ''Via trackage rights''
| style="text-align:left;"|''[[Hankyu Senri Line]]''
| 阪急千里線 
| ''1969''
| –
| ''{{convert|13.6|km|mi|abbr=on}}''
| ''11''<ref group="Note">Including [[Tenjimbashisuji Rokuchome Station|Tenjimbashisuji Rokuchōme Station]]</ref>
| rowspan="2" |8 cars<ref group="Note">All through trains onto the Sakaisuji Line are 8 car trains. Trains on the Hankyu lines terminating at Hankyu Umeda can be 7 or 8 cars.</ref>
|-
| style="text-align:left;"|''[[Hankyu Kyoto Main Line]]''
| 阪急京都本線
| ''1969''<ref group="Note">Between [[Awaji Station]] and [[Kawaramachi Station (Kyoto)|Kawaramachi Station]]</ref>
| –
| ''{{convert|41.1|km|mi|abbr=on}}''
| ''22''<ref group="Note">Including [[Awaji Station]]</ref>
|-
| style="text-align:center;"|[[File:Osaka Metro Sakaisuji line symbol.svg|align="center"|22px]]
| Line 6
| style="text-align:left;"|[[Sakaisuji Line]]
| 堺筋線
| 1969
| 1993
| {{convert|8.5|km|mi|abbr=on}}
| 10
|8 cars
|-
| style="background:#{{rcr|Osaka Metro|N}};"|{{color|black|Lime Green}}
| style="text-align:center;"|[[File:Osaka Metro Nagahori Tsurumi-ryokuchi line symbol.svg|align="center"|22px]]
| Line 7
| style="text-align:left;"|[[Nagahori Tsurumi-ryokuchi Line]]
| 長堀鶴見緑地線
| 1990{{Sfn|Subway|2018|p=44}}
| 1997{{Sfn|Subway|2018|p=44}}
| {{convert|15.0|km|mi|abbr=on}}
| 17
|4 cars
|-
| style="background:#{{rcr|Osaka Metro|I}};"|{{Color|black|Orange}}
| style="text-align:center;"|[[File:Osaka Metro Imazatosuji line symbol.svg|align="center"|22px]]
| Line 8
| style="text-align:left;"|[[Imazatosuji Line]]
| 今里筋線 
| 2006
| –
| {{convert|11.9|km|mi|abbr=on}}
| 11
|4 cars
|-
| colspan=7 style="text-align:center;" | '''Total (Subway only – not incl. ''trackage rights'' portions):'''
| '''{{convert|133.1|km|mi|abbr=on}}'''
| '''124'''
|
|-
| colspan=7 style="text-align:center;" | Subway incl. Kitakyu and Keihanna ''trackage rights'' portions:
|''{{cvt|157.8|km|mi|abbr=on}}''
| ''136''
|
|-
! colspan=10 | [[Automated guideway transit]]
|-
| rowspan=2 style="background:#{{rcr|Osaka Metro|P}};"|{{Color|white|Light Blue}}
| rowspan=2 style="text-align:center;"|[[File:Osaka Metro Nanko Port Town line symbol.svg|22px]]
| rowspan=2 | New Tram
| rowspan=2 style="text-align:left;"|[[Nankō Port Town Line]]
| rowspan=2 | 南港ポートタウン線
| 1997<ref group="Note">Owned by Osaka Port Transport System between [[Cosmosquare Station]] and [[Trade Center-mae Station]]</ref>
| –
| {{convert|0.7|km|mi|abbr=on}}
| 1<ref group="Note">Including [[Trade Center-mae Station]]</ref>
| rowspan="2" |4 cars
|-
| 1981<ref group="Note">Between [[Trade Center-mae Station]] and [[Suminoekoen Station]]</ref>
| 2005
| {{convert|7.2|km|mi|abbr=on}}
| 9
|-
| colspan=7 style="text-align:center;" | '''Total (Subway, incl. AGT):'''
| '''{{convert|141|km|mi|abbr=on}}'''<ref name="overview" />
| '''134'''<ref name="overview" />
|
|}

;Table notes
{{Reflist|group="Note"}}

===Planned line and extensions===

In addition, there are five line extensions and one entirely new line that are planned. However, on August 28, 2014, the [[Osaka Municipal Transportation Bureau]] met about creating the extensions of the later five of the six lines listed below, and have stated considering the current cost of the new extensions (and the possibly of privatization at the time), the government has also considered using [[light rail transit]] or [[bus rapid transit]] instead.<ref name="地下鉄4線延伸">{{cite news | url=http://www.yomiuri.co.jp/local/osaka/news/20140829-OYTNT50036.html | script-title=ja:地下鉄4線延伸「採算厳しい」 有識者審議会 | work=[[Yomiuri Online]] | language=ja | date=August 29, 2014 | access-date=September 1, 2014}}</ref> Osaka Metro is now experimenting with bus rapid transit on the route of the Imazatosuji Line extension, with "Imazato Liner" service between Imazato and Yuzato-Rokuchōme slated to begin in April 2019.

With Osaka being the host of [[Expo 2025]], a northwest extension to [[Yumeshima]] (the event's planned site) opened on 19 January 2025, with long-term plans envisioning a further extension to Sakurajima north of [[Universal Studios Japan]] via [[Maishima Sports Island]]. Provisions were put in place for such an extension when the [[Yumesaki Tunnel]] between Cosmosquare and Yumeshima was built in the late-2000s, but the then-state of the artificial island at the time of the bid (with only industrial facilities and a single convenience store for the workers) meant it would have been unlikely to proceed had Osaka not won said bid.

{| class="wikitable sortable" style=margin:auto;font-align:center;text-align:center
|-
! Line color
! Line icon
! Line number
! Name
! Start
! Terminus
! Length
|-
| style="background:#{{rcr|Osaka Metro|Y}};"|{{Color|white|Blue}}
| style="text-align:center;"|[[File:Osaka Metro Yotsubashi line symbol.svg|align="center"|22px]]
| Line 3
| style="text-align:left;"|[[Yotsubashi Line]]
| [[Nishi-Umeda Station|Nishi-Umeda]]
| [[Jūsō Station|Jūsō]], later towards [[Shin-Ōsaka Station|Shin-Ōsaka]]
| {{convert|2.9|km|mi|abbr=on}} (to Jūsō)
|-
| rowspan="2" style="background:#{{rcr|Osaka Metro|C}};"|{{Color|white|Green}} 
| rowspan="2" style="text-align:center;"|[[File:Osaka Metro Chuo line symbol.svg|align="center"|22px]]
| rowspan="2" | Line 4
| rowspan="2" style="text-align:left;" |[[Chūō Line (Osaka)|Chūō Line]]
| [[Yumeshima Station|Yumeshima]]
| Sakurajima
| ''(TBD)''
|-
|[[Morinomiya Station|Morinomiya]]
|Morinomiya Depot
|{{convert|0.8|km|mi|abbr=on}}
|-
| style="background:#{{rcr|Osaka Metro|S}};"|{{Color|white|Pink}}
| style="text-align:center;"|[[File:Osaka Metro Sennichimae line symbol.svg|align="center"|22px]]
| Line 5
| style="text-align:left;"|[[Sennichimae Line]]
| [[Minami-Tatsumi Station|Minami-Tatsumi]]
| towards [[Mito Station (Osaka)|Mito]]
| ''(TBD)''
|-
| style="background:#{{rcr|Osaka Metro|N}};"|{{color|black|Lime Green}}
| style="text-align:center;"|[[File:Osaka Metro Nagahori Tsurumi-ryokuchi line symbol.svg|align="center"|22px]]
| Line 7
| style="text-align:left;"|[[Nagahori Tsurumi-ryokuchi Line]]
| [[Taishō Station (Osaka)|Taishō]]
| Tsurumachi Yonchōme (vicinity)
| {{convert|5.5|km|mi|abbr=on}}
|-
| style="background:#{{rcr|Osaka Metro|I}};"|{{Color|black|Orange}}
| style="text-align:center;"|[[File:Osaka Metro Imazatosuji line symbol.svg|align="center"|22px]]
| Line 8
| style="text-align:left;"|[[Imazatosuji Line]]
| [[Imazato Station (Osaka Municipal Subway)|Imazato]]
| Yuzato Rokuchōme
| {{convert|6.7|km|mi|abbr=on}}
|- bgcolor="#FFFFE0"
| ''(TBD)''
| style="text-align:center;" | -
| [[Osaka Metro Line 9|Line 9]]
| style="text-align:left;"|Shikitsu–Nagayoshi Line ''(provisional)''
| [[Suminoekōen Station|Suminoekōen]]
| [[Kire-Uriwari Station|Kire-Uriwari]]
| {{convert|6.9|km|mi|abbr=on}}
|}

== Technology and rolling stock ==
Osaka Municipal Subway [[rolling stock]] use two types of [[traction motor|propulsion systems]]. The vast majority of lines use trains with conventional [[electric motor]]s, but the two newest lines, the [[Nagahori Tsurumi-ryokuchi Line]] and [[Imazatosuji Line]], use [[linear motor]]-powered trains, which allow them to use smaller trains and tunnels, reducing construction costs. These two lines have half-height [[automatic platform gates]] installed at all station platforms, as does the Sennichimae Line, the Midosuji Line, and the Sakaisuji Line.<ref name="Sennichimae Line doors">{{cite web | url=http://www.apt-newschannel.com/id/berita-berita/taiwan/detail/osaka-subways-sennichimae-line-to-have-platform-s/ | title=Osaka subway's Sennichimae Line to have platform screen doors installed in every station Chinese translation to follow | work=Asian Public Transport | date=February 13, 2014 | access-date=September 8, 2014 | archive-url=https://web.archive.org/web/20140908134254/http://www.apt-newschannel.com/id/berita-berita/taiwan/detail/osaka-subways-sennichimae-line-to-have-platform-s/ | archive-date=September 8, 2014 | url-status=dead }}</ref><ref>{{Cite web |date=2022-08-14 |title=【堺筋線】日本橋駅にホームドア設置開始 {{!}} Osaka-Subway.com |url=http://osaka-subway.com/post-29553/ |access-date=2024-03-20 |website=osaka-subway.com |language=ja}}</ref>

Also, unlike most other rapid transit networks in Japan (but like the preceding [[Tokyo Metro Ginza Line]] [the only rapid transit line in Asia at the time], and the subsequent [[Tokyo Metro Marunouchi Line|Marunouchi line]], the early lines in [[Nagoya Municipal Subway|Nagoya]] and the [[Yokohama Municipal Subway Blue Line|Blue line]] in Yokohama), most Osaka subway lines use a [[third rail]] electrification system for trains. Only three lines use [[overhead catenary]]: the Sakaisuji Line, to accommodate through services on Hankyu trackage; and the linear-motor Nagahori Tsurumi-ryokuchi and Imazatosuji Lines. Also unusually, all lines use [[standard gauge]]; there are no [[narrow gauge]] sections of track due to the network being almost entirely self-enclosed (although Kyoto and Kobe also have entirely standard gauge metros with through services to private railways).

===Conventional motored===
* 21 series ("[[Osaka Municipal Subway New 20 series|New 20 series]]"): [[Midōsuji Line]]
* 22 series ("New 20 series"): [[Tanimachi Line]]
* 23 series ("New 20 series"): [[Yotsubashi Line]]
* 24 series ("New 20 series"): [[Chūō Line (Osaka)|Chūō Line]]
* 25 series ("New 20 series"): [[Sennichimae Line]]
* [[Osaka Municipal Subway 66 series|66 series]]: [[Sakaisuji Line]]
* [[Osaka Metro 400 series|400 series]]: [[Osaka Metro Chūō Line|Chūō Line]]
* [[Osaka Municipal Subway 30000 series|30000 series]]: [[Tanimachi Line]], [[Midōsuji Line]], [[Osaka Metro Chūō Line|Chūō Line]] (30000A series)

===Linear motored===
* [[Osaka Municipal Subway 70 series|70 series]]: [[Nagahori Tsurumi-ryokuchi Line]]
* [[Osaka Municipal Subway 80 series|80 series]]: [[Imazatosuji Line]], [[Nagahori Tsurumi-ryokuchi Line]]

==Fares==
[[File:Shinsaibashi Station 4.JPG|thumb|Ticket machines and fare maps at Shinsaibashi Station]]
Osaka Metro charges five types of fares for single rides, based on the distance traveled in each journey.<ref name="tickets">{{cite web |url=https://subway.osakametro.co.jp/en/guide/fare/fare/price.php |title=Tickets |publisher=Osaka Metro |access-date=December 16, 2023}}</ref> Some discount fares exist.

{|class="wikitable"
|-
!rowspan="2"| Distance<br>travelled
!colspan="2"| Rates (in [[yen]])<ref name="tickets" />
|-
! Adult !! Child
|-align="center"
!1–3&nbsp;km
|¥190
|{{0}}¥100
|-align="center"
!4–7&nbsp;km
|¥240
|¥120
|-align="center"
!8–13&nbsp;km
|¥290
|¥150
|-align="center"
!14–19&nbsp;km
|¥340
|¥170
|-align="center"
!20–25&nbsp;km
|¥390
|¥200
|}

==Incidents==
On April 8, 1970, [[1970 Tenroku gas explosion|a gas explosion]] occurred during an expansion of the [[Tanimachi Line]] at [[Tenjimbashisuji Rokuchōme Station]], killing 79 people and injuring 420.<ref>{{cite web|script-title=ja:市会のあゆみ|url=http://www.city.osaka.lg.jp/shikai/page/0000001377.html|website=Osaka City Council Website|ref=市会のあゆみ|language=ja|access-date=August 3, 2014|archive-url=https://web.archive.org/web/20140802130330/http://www.city.osaka.lg.jp/shikai/page/0000001377.html|archive-date=August 2, 2014|url-status=live}}</ref><ref>{{cite news|last=Pulvers|first=Roger|title=Beware the parallels between boom-time Japan and present-day China|url=http://www.japantimes.co.jp/opinion/2012/11/04/commentary/beware-the-parallels-between-boom-time-japan-and-present-day-china/#.U94OYRbOP-k|work=[[The Japan Times]]|ref=Parallels|date=November 4, 2012|access-date=August 3, 2014|archive-url=https://web.archive.org/web/20140808043814/http://www.japantimes.co.jp/opinion/2012/11/04/commentary/beware-the-parallels-between-boom-time-japan-and-present-day-china/#.U94OYRbOP-k|archive-date=August 8, 2014|url-status=live}}</ref> The gas leaked out from a detached joint and filled the tunnel and exploded when a service vehicle's engine sparked over leaking gas, creating a fire column over {{convert|10|m}} tall that burned around 30 buildings and damaged or destroyed a total of 495 buildings.<ref>{{cite web|title=Gas Explosion at a Subway Construction Site|url=http://www.sozogaku.com/fkd/en/cfen/CB1012037.html|publisher=Failure Knowledge Center|ref=Case Details|access-date=August 3, 2014|archive-url=https://web.archive.org/web/20140714150153/http://www.sozogaku.com/fkd/en/cfen/CB1012037.html|archive-date=July 14, 2014|url-status=live}}</ref>

== Network map ==
{{Rapid transit OSM map
| system_qid   = Q303026
| frame-lat    = 34.68
| frame-long   = 135.5
| frame-width  = 750
| frame-height = 470
| zoom         = 11
| length       = yes
}}

==See also==
* [[Transport in Keihanshin]]
* [[List of Osaka Metro stations]]
* [[List of metro systems]]

==References==

=== Endnotes ===
{{notelist}}

=== Footnotes ===
{{Reflist|30em}}

=== Citations ===

* {{Cite magazine |date=31 August 2018 |title=長堀鶴見緑地線の歴史を辿る |url=http://www.jametro.or.jp/upload/subway/FWdIafNFCVqR.pdf |access-date=31 January 2024 |magazine=SUBWAY |publisher=Japan Subway Association |page= |pages=42–45 |language=ja |publication-place=Japan |volume=8 |issue=218 |issn=0289-5668|ref={{Sfnref|Subway|2018}}}}

==External links==
{{commons|Ōsaka Metro}}
* [https://www.osakametro.co.jp/en/ Osaka Metro official site (English)]
* [https://web.archive.org/web/20180402225942/http://www.osakametro.co.jp/library/english/img/map.pdf Osaka Metro route map (PDF)] ([[Wayback Machine|Archived]])

{{Metro systems in Japan}}
{{Osaka transit}}
{{Rapid transit in Asia}}

[[Category:Osaka Metro| ]]
[[Category:Osaka Municipal Subway|*]]
[[Category:Underground rapid transit in Japan]]
[[Category:750 V DC railway electrification]]
[[Category:1500 V DC railway electrification]]