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The '''Seoul Subway''' ({{korean|hangul=서울 지하철|hanja=서울 地下鐵}}; ''Seoul Jihacheol''), located primarily in ], ], is the world's second largest subway by number of stations after ]<ref>See ]</ref> and the world's second most highly used subway after ],<ref>See ].</ref>consisting of 9 lines operated by ] (formerly ''Seoul Metropolitan Subway Corporation''<ref>See ]</ref>), ] and ]. ] is part of the broader ] ({{korean|hangul=수도권전철|hanja=首都圈電鐵}}; ''Sudogwan Jeoncheol'') system, which links nearby ] metropolis and satellite cities in ] along with major cities in northern ] and western ] that lie over 100km away from the capital.
The '''Seoul Subway''' ({{korean|hangul=서울 지하철|hanja=서울 地下鐵}}; ''Seoul Jihacheol''), located primarily in ], ] consists of 9 lines operated by ] (formerly ''Seoul Metropolitan Subway Corporation''<ref>See ]</ref>), ] and ]. ] is part of the broader ] ({{korean|hangul=수도권전철|hanja=首都圈電鐵}}; ''Sudogwan Jeoncheol'') system, which links nearby ] metropolis and satellite cities in ] along with major cities in northern ] and western ] that lie over 100km away from the capital.
The ] is considered the best subway in the world <ref>http://jalopnik.com/5958482/the-best-subway-systems-in-the-world</ref> noted for its cleanliness, ease of use, arrival times accurate within seconds and innovations such as the world's ].
The ] is considered the best subway in the world <ref>http://jalopnik.com/5958482/the-best-subway-systems-in-the-world</ref> noted for its cleanliness, ease of use, arrival times accurate within seconds and innovations such as the world's ].
The Seoul Subway is considered the best subway in the world noted for its cleanliness, ease of use, arrival times accurate within seconds and innovations such as the world's longest circular line.
Real-time subway arrival times are available for all lines provided through giant LCD screens at all stations, along with apps for smartphones. All directional signs in the system are written in both Korean and English. Station signs and some maps also display Hanja. The pre-recorded voice announcement in the trains indicating the upcoming station, possible line transfer and exiting side are all in Korean followed by English, and in some cases Japanese then Chinese.
The current single-use ticket is a credit-card sized plastic card with RFID technology, which are obtained from automated machines in every subway station. A 500 won deposit fee is included in the price, and is refunded when the ticket is returned at any station.
Public transportation in Seoul Metropolitan Area
