6 Control: Yeonsinnae station Line 9 Control: Eonju station - Sports Complex station Total Length: 4.3 km Depots Gunja Depot Sinjeong Depot Jichuk Depot Changdong Depot See also Korail Seoul Metropolitan Rapid Transit Corporation List of rapid transit systems List of urban rail systems by length Seoul Metropolitan Subway stations Transportation in South Korea References External links Official Website of Seoul Metro Seoul Metropolitan City Government Seoul Metropolitan Subway Railway companies of South Korea Transport operators of South Korea Railway companies established in 1970 2017 mergers and acquisitions Companies based in Seoul South Korean companies established in 1970