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.
Most of the line's length travels along the Gyeongbu (Seoul-Cheonan), Gyeongin (Guro-Incheon), and Gyeongwon (Hoegi-Soyosan).
In June 2006, Jinwi and Jije Stations opened on the Gyeongbu Line, and Dangjeong Station (temporary name, may be opened as Hansei University Station) will be constructed between Gunpo and Uiwang Stations, also on the Gyeongbu Line. Part of the Gyeongwon Line from Dongducheon (formerly Dongan) to Uijeongbu was merged into Line 1 in December 2006.
Korea's first subway line was constructed with the technical and economic aid of Japan. However, some say that the total extent of Japanese aid was hidden from Koreans at that time.
Korail operates Rapid Trains for long distance commuter service on Line 1. There's Yongsan-Cheonan (A rapid), Yongsan-Dongincheon, Soyosan-Dongincheon, Seoul-Cheonan rapid (B rapid). Rapid train stations are marked below.
Stations
Cheonan Station, one of the current terminuses of Seoul Subway Line 1
Seoul Subway Line 1 (Gyeongwon/Metro/Gyeongbu/Gyeongin)
Seoul subway line 1 is the setting and inspiration for the Korean rock musical, 지하철 1호선, by Hakchon Theater troupe based on the German musical, Linie 1 by Volker Ludwig.
Historical Timeline
1974
August 15 — Line 1 is officially opened as a system of 38 metro stations from Seongbuk (the northern terminus) to Incheon and Suwon.