Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 125. Not illustrated. Chapters: Busan Subway Lines, Daegu Subway Lines, Seoul Subway Lines, Seoul Subway Line 1, Seoul Metropolitan Subway, Seoul Subway Line 2, Seoul Subway Line 5, Seoul Subway Line 3, Seoul Subway Line 4, Seoul Subway Line 7, Seoul Subway Line 9, Jungang Line, Seoul Subway Line 6, Busan Subway Line 2, Bundang Line, Busan Subway Line 1, Incheon Subway Line 1, Seoul Subway Line 8, Sin Bundang Line, Seoul Metropolitan Subway Trains, Ansan Line, Incheon Subway Line 2, Daegu Subway Line 1, Seoul Metropolitan Rapid Transit Corporation, Uijeongbu Lrt, Daegu Subway Line 2, Daegu Metropolitan Subway, Seoul Light Rapid Transit, Wolmido Galaxy Rail, Busan Transportation Corporation, Yeoju Line, Incheon Subway Line 3. Excerpt: Seoul Metropolitan Subway Line 1 1 1Sudogwon Jihacheol Il Hoseon Seoul (Metropolitan) Subway Line 1 of the Seoul Metropolitan Subway, formerly known as the Korea National Railroad of Seoul, is an operation channel which links central Seoul, South Korea to Soyosan Station in the northeast, Incheon in the southwest, and Asan via Suwon in the south. This line covers a large part of the Seoul National Capital Area. The line first opened in 1974 between Seoul Station and Cheongnyangni Station, the only underground portion of the line (7.8 km). Commuter railway service was most recently extended to Sinchang in December 2008. Frequent service is provided between Soyosan, Dongducheon, Uijeongbu, Cheongnyangni, Seoul, Yongsan, and Guro, where trains split between Incheon in the west and Byeongjeom and Cheonan in the south. Express trains operate from Yongsan and Seoul Stations to Dongincheon and Cheonan stations. Trains travel along Gyeongbu (Seoul-Cheonan), Gyeongin (Guro-Incheon), Janghang (Cheonan-Sinchang) and Gyeongwon (Hoegi-Soyosan). In June 2006, Jinwi and Jije Stations opened on the Gyeongbu Line. In...