Osaka Municipal Subway

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Osaka Municipal Subway
Osaka Metro Logo.svg
OsakaCity10 1121F and 21 21603F.jpg
Top: 10 series and 21 series trains on the Midōsuji Line.
Bottom: A 30000 series train on the Tanimachi Line.
Native name 大阪市営地下鉄
Ōsaka-shiei chikatetsu
Locale Osaka and Keihanshin region, Japan
Transit type Metro
Number of lines 8 (+ 1 People Mover)
Number of stations 123[1]
133 (incl. People Mover)[1]
Daily ridership 2,464,000 (FY2013)[2]
Began operation May 20, 1933
Operator(s) Osaka Municipal Transportation Bureau
System length 129.9 km (80.7 mi)[1]
137.8 km (85.6 mi) (incl.
People Mover)[1]
Track gauge 1,435 mm (4 ft 8 12 in) standard gauge
Electrification Third rail lines: 750 V DC, third rail
Sakaisuji Line and linear motor metro lines: 1,500 V DC, overhead lines
Top speed 70 km/h (43 mph)
System map
Map of Osaka Municipal Subway

The Osaka Municipal Subway (大阪市営地下鉄, Ōsaka-shiei chikatetsu) is the rapid transit network in the Osaka Metropolitan Area of Japan, operated by the Osaka Municipal Transportation Bureau. It serves the city of Osaka and the adjacent municipalities of Higashiosaka, Kadoma, Moriguchi, Sakai, Suita, and Yao. The subway forms an integral part of the extensive mass transit system of Greater Osaka (part of the Kansai region), having 123[1] out of the 1,108 rail stations (2007) in the Osaka-Kobe-Kyoto region.[3] In 2010, the greater Osaka region had 13 million rail passengers daily (see Transport in Keihanshin) of which the Osaka subway accounts for 2.29 million.[4]

The Osaka Municipal Subway holds the distinction of being the only subway system in Japan to be legally classified as a tramway, whereas all other subway systems in Japan are legally classified as railways. Despite this, the Osaka Municipal Subway has characteristics typical of that of a full-fledged metro system.[5]

A proposal to privatize the Osaka subway was sent to the city government in February 2013, is still under consideration. The privatization would bring private investors to Osaka and could help revive Osaka's economy. The subway could be valued at over 600 billion yen.[6]


The Osaka Municipal Subway's first service, the Midōsuji Line from Umeda to Shinsaibashi, opened in 1933.[7] As a north-south trunk route, it is the oldest and busiest line in the whole subway network.[8][9][1] Both it and the main east-west route, the Chūō Line, were later extended to the north and east, respectively. These extensions have private ownership, but both the city government and the private operators run their own set of trains through between the two sections.

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 national rail network (which is the case with the Midōsuji and Chūō Lines).

Nearly all stations have an 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.


Currently, there are eight subway lines, operating on 129.9 kilometers (80.7 mi) and serving 123 stations; there is also a 7.9-kilometer (4.9 mi) long, 10 station automated people mover line operated by the Osaka Municipal Transportation Bureau:[1]

Mark Line
Name Japanese Opened Last extension Length[1] Stations[1]
Red Midosuji logo.png align="center" Via trackage rights Kitakyū Namboku Line 北大阪急行電鉄 1970 1970 5.9 km (3.7 mi) 4[Note 1]
Line 1 Midōsuji Line 御堂筋線 1933 1987 24.5 km (15.2 mi) 20
Purple Tanimachi logo.png align="center" Line 2 Tanimachi Line 谷町線 1967 1983 28.1 km (17.5 mi) 26
Blue Yotsubashi.png align="center" Line 3 Yotsubashi Line 四つ橋線 1942 1972 11.4 km (7.1 mi) 11
Green Chuo.png align="center" Line 4 Chūō Line (Yumehanna) 中央線 1997[Note 2] 2.4 km (1.5 mi) 1[Note 3]
1961[Note 4] 1985 15.5 km (9.6 mi) 13
Via trackage rights Keihanna Line (Yumehanna) 近鉄けいはんな線 1986 2006 18.8 km (11.7 mi) 8[Note 5]
Pink Sennichimae.png align="center" Line 5 Sennichimae Line 千日前線 1969 1981 12.6 km (7.8 mi) 14
Brown Sakaisuji logo.png HK Via trackage rights Hankyu Senri Line 阪急千里線 1969 13.6 km (8.5 mi) 11[Note 6]
Hankyu Kyoto Main Line 阪急京都本線 1969[Note 7] 41.1 km (25.5 mi) 22[Note 8]
align="center" Line 6 Sakaisuji Line 堺筋線 1969 1993 8.5 km (5.3 mi) 10
Lime Tsurumiryokuchi.png align="center" Line 7 Nagahori Tsurumi-ryokuchi Line 長堀鶴見緑地線 1990 1997 15.0 km (9.3 mi) 17
Gold Imazatosuji.png align="center" Line 8 Imazatosuji Line 今里筋線 2006 11.9 km (7.4 mi) 11
TOTAL (Subway only – not incl. trackage rights portions): 129.9 km (80.7 mi) 123
Automated people mover
Newtram logo.png 9P.png New Tram Nankō Port Town Line 南港ポートタウン線 1997[Note 9] 0.7 km (0.43 mi) 1[Note 10]
1981[Note 11] 2005 7.2 km (4.5 mi) 9
TOTAL (Subway, incl. People Mover): 137.8 km (85.6 mi)[1] 133[1]
Table notes
  1. ^ Including Esaka Station
  2. ^ Owned by Osaka Port Transport System between Cosmosquare Station and Ōsakakō Station
  3. ^ Including Ōsakakō Station
  4. ^ Between Ōsakakō Station and Nagata Station
  5. ^ Including Nagata Station
  6. ^ Including Tenjimbashisuji Rokuchōme Station
  7. ^ Between Awaji Station and Kawaramachi Station
  8. ^ Including Awaji Station
  9. ^ Owned by Osaka Port Transport System between Cosmosquare Station and Trade Center-mae Station
  10. ^ Including Trade Center-mae Station
  11. ^ Between Trade Center-mae Station and Suminoekoen Station

Planned line and extensions[edit]

In addition, there are four line extensions and one new line that are planned. However, on August 28, 2014, the Osaka Municipal Transportation Bureau met about creating the extensions of the later four of the five lines listed below, and have stated considering the current cost of the new extensions and the possibility of privatization, the government has also thought creating light rail transit or bus rapid transit instead.[10]

Mark Line
Name Start Terminus Length
  align="center" Line 3 Yotsubashi Line Nishi-Umeda Jūsō, later towards Shin-Ōsaka 2.9 km (to Jūsō)
  align="center" Line 5 Sennichimae Line Minami-Tatsumi towards Mito (TBD)
  align="center" Line 7 Nagahori Tsurumi-ryokuchi Line Taishō Tsurumachi Yonchōme (vicinity) 5.5 km
  align="center" Line 8 Imazatosuji Line Imazato Yuzato Rokuchōme 6.7 km
(TBD) - Line 9 Shikitsu–Nagayoshi Line (provisional) Suminoekōen Kire-Uriwari 6.9 km

Technology and rolling stock[edit]

Osaka Municipal Subway rolling stock use two types of propulsion systems. The vast majority of lines use trains with conventional electric motors, 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.[11]

Also, unlike other rapid transit networks in Japan, 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.

Electric motored[edit]

Linear motored[edit]


Ticket machines and fare maps at Shinsaibashi Station

The Osaka Municipal Subway charges five types of fares for single rides, based on the distance traveled in each journey.[12] Some discount fares exist.

Distance travelled Rates (yen)[12]
1–3 km
  • adults: 180 yen
  • children: 90 yen
4–7 km
  • adults: 240 yen
  • children: 120 yen
8–13 km
  • adults: 280 yen
  • children: 140 yen
14–19 km
  • adults: 320 yen
  • children: 160 yen
20–25 km
  • adults: 370 yen
  • children: 190 yen


On April 8, 1970, a gas explosion occurred during the construction of the Tanimachi Line at Tenjimbashisuji Rokuchōme Station, killing 79 people and injuring 420.[13][14] The gas leaked out from a detached joint and filled the tunnel and exploded, creating a fire pillar of over 10 meters and destroyed 495 houses and buildings.[15]

See also[edit]


  1. ^ a b c d e f g h i j k 営業線の概要 [Overview of operating lines] (in Japanese). 大阪市営交通局 [Osaka Municipal Transportation Bureau]. Archived from the original on January 11, 2014. Retrieved June 7, 2014. 
  2. ^ "交通局の予算・決算について" [For budget and balance sheet of Transportation Bureau] (in Japanese). 大阪市営交通局 [Osaka Municipal Transportation Bureau]. Retrieved December 18, 2014. 
  3. ^ MiSoL ASP会員サービス・アプリケーション概要
  4. ^
  5. ^ Kokudo Kōtsū Shō Tetsudō Kyoku (2005). Tetsudō Yōran (Heisei 17 Nendo) (in Japanese). Tokyo: Denkisha Kenkyūkai. p. 228. ISBN 4-88548-106-6. 
  6. ^ Sato, Shigeru; Urabe, Emi (April 14, 2014). "Osaka City Plans Subway Operator Initial Offering to Chase Tokyo". Bloomberg News. Retrieved September 1, 2014. 
  7. ^ "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)". Japan Railfan Magazine. Vol. 49 no. 576. April 2009. pp. 88–99. 
  8. ^ Rogers, Krista. "The most crowded train lines during rush hour in Tokyo, Osaka, and Nagoya are…". Rocket News 24. Retrieved September 8, 2014. 
  9. ^ 大阪府内で働く人の通勤時間は「52分」――理想の路線は?. (in Japanese). September 9, 2014. Retrieved September 8, 2014. 
  10. ^ 地下鉄4線延伸「採算厳しい」 有識者審議会. Yomiuri Online (in Japanese). August 29, 2014. Retrieved September 1, 2014. 
  11. ^ "Osaka subway's Sennichimae Line to have platform screen doors installed in every station Chinese translation to follow". Asian Public Transport. February 13, 2014. Retrieved September 8, 2014. 
  12. ^ a b "Tickets". Osaka Municipal Transportation Bureau. Retrieved June 7, 2014. 
  13. ^ 市会のあゆみ. Osaka City Council Website (in Japanese). Retrieved August 3, 2014. 
  14. ^ Pulvers, Roger (November 4, 2012). "Beware the parallels between boom-time Japan and present-day China". The Japan Times. Retrieved August 3, 2014. 
  15. ^ "Gas Explosion at a Subway Construction Site". Failure Knowledge Center. Retrieved August 3, 2014. 

External links[edit]