Seoul Metro Line Lengths and Years Built

CREATED BY DOM & HYO LINE 1 (1974) 200.6 KM GYEONGCHUN LINE (2010) 80.7 KM LINE 4 (1985) 71.5 KM JUNGANG LINE (2005) 71.2 KM LINE 2 (1980) 60.2 KM AREX (2007) 58.0 KM LINE 3 (1985) 57.4 KM LINE 7 (1996) 57.1 KM LINE 5 (1995) 52.3 KM GYEONGUI LINE (2009) 50.8 KM BUNDANG LINE (1994) 46.8 KM LINE 6 (2000) 35.1 KM INCHEON LINE 1 (1999) 29.4 KM LINE 9 (2009) 27.0 KM EVERLINE (2013) 18.1 KM LINE 8 (1996) 13.1 KM SINBUNDANG LINE (2011) 17.3 KM SUIN LINE U LINE (2012) 11.1 KM (2012) 13.1 KM SEOUL METRO