Subway System, the Yeongdong Line and the Taebaek Line are derived from the Jungang Line, and the Gyeonggang Line was constructed, but currently it is not perfectly connected to the Seoul Metropolitan Subway System. KTX trains launched from Seoul to Gangneung on 22 December 2017 via the Gyeonggang Line, but they still run a part of the Jungang Line. In 2016, a plan was passed to extend the KTX line from Gangneung to Sokcho. The Gyeongwon Line and the North Dong-hae Line are blocked by the Military Demarcation Line. Air Gangwon Province has several military airbases, while civil passengers can use only two airports, Wonju Airport and Yangyang International Airport. Wonju Airport is shared with the Republic of Korea Air Force, like Daegu International Airport and Gimhae International Airport. Currently Wonju and Yangyang Airport are now operated as domestic airports. Road Gangwon Province's road length totals to , and 75.1% is paved. Some historical and traditional ridges have survived, like Daegwallyeong. It has many routes, like Route 7, which is included in AH6. It also has Controlled-access highways. Yeongdong Expressway is the first express way in the region, and Gwangju–Wonju Expressway, Jungang Expressway, Donghae Expressway, Seoul–Yangyang Expressway were built, afterwards. Seoul–Yangyang Expressway has the longest road tunnel in South Korea. Buses Like the railways, Gangwon Province is connected by intercity bus networks in South Korea. All cities and counties have intercity terminals, which connect other cities or counties in the region or connect outer cities, districts, and Incheon International Airport. Sea Gangwon Province has many harbours. Some harbours are fishing ports, but other harbours are used for special purposes. For example, Mukpo Harbour functions as an exporting hub for cement & coal from the Taebaek Mountains. Sokcho Harbour functions as a fishing port, a passenger harbour and as an exporting hub for iron ore. Also recently, Korea Gas Corporation built the LNG Platform Center at Hosan Harbour. Gangwon province also has ferry lines. Sokcho Harbour has a pier for cruise ships, but until 2018, no cruise route existed. Domestic Ferries Gangneung Harbor, Mukpo Harbor – Ulleungdo International Ferries Donghae Harbor – Vladivostok, Sakaiminato, Tottori Sports Sport teams Soccer Gangwon FC bases itself in the region, owned by Gangwon Province. Jin-seon Kim, the Governor of Gangwon Province announced it on April 28, 2008 and was established on December 18, 2008. Ice Hockey High1 is Kangwon Land's ice hockey team, established in