Metropolitan Subway system as a name of Seoul Metropolitan Subway Gyeongchun Line (수도권전철 경춘선). It brings that the system from Seoul all the way into Gangwon Province
The Seoul Metropolitan Subway (Korean: 수도권전철) is a metropolitan railway system consisting of 23 rapid transit, light metro, commuter rail and people mover
metropolitan area through Seoul Metro Line 7. Line 1 is a 30.3-kilometer (18.8 mi) north-south subway line. After six years of construction, the line opened