instance_of gyeongchun line
South ___MASK11___ , officially the ___MASK27___ of ___MASK11___ ( ROK ), is a sovereign state in East Asia , constituting the southern part of the Korean Peninsula . The Seoul ___MASK77___ Subway is an integrated ___MASK9___ ___MASK71___ consisting of 20 rapid transit , light metro , commuter rail and people mover lines located in South Korea . The ___MASK71___ serves most of the Seoul ___MASK77___ Area including the Incheon metropolis and satellite cities in Gyeonggi province . Some lines in the network cross large rural areas to reach major cities in northern Chungnam province and western Gangwon province that lie over 100 km away from the ___MASK56___ . ___MASK7___ , also known as heavy rail , metro , subway , tube , or underground , is a type of high - capacity ___MASK13___ generally found in urban areas . Unlike buses or trams , rapid transit systems are electric railways that operate on an exclusive right - of - way , which cannot be accessed by pedestrians or other vehicles of any sort , and which is often grade separated in tunnels or on elevated railways . Chuncheon ___MASK81___ is a railway ___MASK81___ on , and the eastern terminus of , the Gyeongchun Line . It was opened in 1939 as a regular train ___MASK81___ and became a subway stop in 2010 . ___MASK15___ , also called suburban rail , is a passenger ___MASK83___ service that primarily operates between a ___MASK31___ , and the middle to outer suburbs beyond 15 km ( 10 miles ) and commuter towns or other locations that draw large numbers of commuters  people who travel on a daily basis . Trains operate following a schedule , at speeds varying from 50 to 200 km / h ( 30 to 125 mph ). Distance charges or zone pricing may be used . Gyeongju , historically known as " Seorabeol ", is a coastal ___MASK21___ in the far southeastern corner of North Gyeongsang ___MASK67___ in South Korea . It is the second largest ___MASK21___ by area in the ___MASK67___ after Andong , covering with a population of 264 , 091 people ( as of ___MASK10___ 2012 .) Gyeongju is southeast of Seoul , and east of Daegu . The ___MASK21___ borders Cheongdo and Yeongcheon to the west , Ulsan to the south and Pohang to the north , while to the east lies the coast of the East ___MASK87___ . Numerous low mountains  outliers of the Taebaek range  are scattered around the ___MASK21___ . The Honam ___MASK69___ is a major ___MASK89___ serving the Honam region ( North and South Jeolla Provinces ) in South Korea . The ___MASK69___ is served by frequent passenger trains from Seoul ( via the Gyeongbu ___MASK69___ ) to Gwangju and Mokpo . Chuncheon is the ___MASK56___ of Gangwon Province , South Korea . The city lies in the north of the county , located in a basin formed by the Soyang River and Han River . There are some large lakes around the city , most notably Lake Soyang and Lake Uiam ( or ___MASK73___ Uiam ). The area is renowned for its small river islands , such as Sangjungdo , Ha - Jungdo , Bungeodo , and Wido . A ___MASK97___ mover or automated ___MASK97___ mover ( APM ) is a type of grade - separated mass transit ___MASK71___ . The term is generally used only to describe systems serving relatively small areas such as airports , downtown districts or theme parks , but is sometimes applied to considerably more complex automated systems . Seoul Subway ___MASK69___ 7 of the Seoul ___MASK77___ ___MASK7___ Corporation was built 1990 - 96 ( Jangam - Konkuk Univ .) and was completed ___MASK90___ ___MASK35___ , 2000 ( central section 17 km . Konkuk University to Sinpung ); the western section between Sinpung and Onsu was put into service on February 29 , 2000 . This north - south line does not run through the city centre but links Gangnam directly to the northern parts of town . ___MASK9___ is an all - encompassing ___MASK75___ for various types of local rail systems providing passenger ___MASK57___ within and around urban or suburban areas . The set of urban rail systems can be roughly subdivided into the following categories , which sometimes overlap because some systems or lines have aspects of each . Inter - ___MASK21___ rail services are express ___MASK37___ services that cover longer distances than commuter or regional trains . Seoul Metro ( Hangul :  ) is a ___MASK36___ corporation owned by Seoul Metropolitan ___MASK76___ , and one of the major operators of Seoul Metropolitan Subway with Seoul Metropolitan Rapid Transit Corporation and Korail . A ___MASK8___ is a large city or conurbation which is a significant economic , political , and cultural center for a country or region , and an important hub for regional or international connections , commerce , and communications . The term is Greek and means the " mother city " of a colony ( in the ancient sense ), that is , the city which sent out settlers . This was later generalized to a city regarded as a center of a specified activity , or any large , important city in a nation . Incheon ( formerly romanized as Inchon ; literally " kind ___MASK61___ "), officially the Incheon ___MASK77___ ___MASK21___ (  ), is a ___MASK21___ located in northwestern South Korea , bordering Seoul and Gyeonggi to the east . Inhabited since the New ___MASK72___ ___MASK86___ , Incheon was home to just 4 , 700 people when it became an international port in 1883 . Today , about 3 million people live in the ___MASK21___ , making it Korea  s third most populous ___MASK21___ after Seoul and Busan . The ___MASK21___ ' s growth has been assured in modern times with the development of its port due to its natural advantages as a coastal ___MASK21___ and its proximity to the South Korean capital . It is part of the Seoul Capital Area , along with Seoul itself and Gyeonggi Province , forming the world ' s second largest metropolitan area by population . Yongsan ___MASK81___ is a major railway ___MASK81___ in Seoul , South Korea . It is located in Yongsan District , and adjoins the Yongsan Electronics Market . The ___MASK81___ is the terminus for high - speed and long - distance trains on a number of railway lines , including most trains on the Honam Line , its high - speed counterpart , and all trains on the Janghang and Jeolla Lines . ___MASK11___ Railroad ___MASK91___ ( Korean :  , Hanja :  ), promoted as Korail (  ), is the national railroad ___MASK53___ in South ___MASK11___ . Regional rail , also known as local trains and stopping trains , are passenger rail services that operate between towns and cities . These trains operate with more stops over shorter distances than inter - ___MASK21___ rail , but fewer stops and faster ___MASK57___ than commuter rail . Regional rail services operate beyond the limits of urban areas , and either connect similarly - sized smaller cities and towns , or cities and surrounding towns , outside or at the outer rim of a suburban ___MASK46___ . The Gyeongchun ___MASK69___ is a regional rail ___MASK69___ between Seoul and Chuncheon operated by Korail . The ___MASK29___ of the ___MASK69___ is derived from Gyeong (  , meaning the ___MASK56___ , Seoul ) and Chuncheon . The ___MASK69___ was reconstructed in a new alignment in its entirety in the 2000s . Rail service operates between Sangbong ___MASK81___ on the Jungang ___MASK69___ in eastern Seoul and Chuncheon ___MASK81___ as part of the Seoul Metropolitan Subway system since December 21 , 2010 . A class of regional rail service named ITX - Cheongchun began operations on February 28 , 2012 , linking Chuncheon to Cheongnyangni and Yongsan Stations . Sangbong ___MASK81___ is a ___MASK81___ on the Seoul Subway Line 7 . As of December 21 , 2010 , this ___MASK81___ now has a dual transfer point with the Gyeongui  Jungang Line and Gyeongchun Line , with the platform of the aboveground ___MASK81___ . The Jungang ___MASK69___ ( literally " Central ___MASK69___ ") is a ___MASK89___ connecting Cheongnyangni in Seoul to Gyeongju in South Korea , traversing central South Korea from the northwest to the southeast . It also referred to the rail ___MASK69___ of the Seoul ___MASK77___ Subway from Yongsan ___MASK81___ to Yongmun ___MASK81___ . Seoul (  )  officially the Seoul ___MASK59___  is the ___MASK56___ and largest metropolis of the Republic of Korea ( commonly known as South Korea ), forming the heart of the Seoul ___MASK56___ Area , which includes the surrounding Incheon metropolis and Gyeonggi province , the world ' s 16th largest city . It is home to over half of all South Koreans along with 678 , 102 international residents . ___MASK11___ is a historical ___MASK42___ in East Asia , since 1945 divided into two distinct sovereign states : North ___MASK11___ ( officially the " Democratic ___MASK97___ ' s ___MASK27___ of ___MASK11___ ") and South ___MASK11___ ( officially the " ___MASK27___ of ___MASK11___ "). Located on the Korean Peninsula , ___MASK11___ is bordered by China to the northwest and Russia to the northeast . It is separated from Japan to the east by the ___MASK11___ Strait and the East ___MASK87___ . Hanja is the ___MASK63___ for ___MASK43___ characters . More specifically , it refers to those ___MASK43___ characters borrowed from ___MASK43___ and incorporated into the Korean language with Korean pronunciation . " Hanja - mal " or " hanja - eo " refers to words that can be written with hanja , and " hanmun " refers to Classical ___MASK43___ writing , although " hanja " is sometimes used loosely to encompass these other concepts . Because hanja never underwent major reform , they are almost entirely identical to traditional ___MASK43___ and " kyjitai " characters . Only a small number of hanja characters are modified or unique to Korean . By contrast , many of the ___MASK43___ characters currently in use in Japan and Mainland China have been simplified , and contain fewer strokes than the corresponding hanja characters . Gyeonggi - do ( Hangul :  ) is the most populous ___MASK67___ in South Korea . Its name , " Gyeonggi " means " the area surrounding ___MASK56___ ". Thus " Gyeonggi - do " can be translated as " ___MASK67___ surrounding Seoul ". The provincial ___MASK56___ is Suwon . Seoul  South Korea ' s largest city and national ___MASK56___  is in the heart of the ___MASK67___ but has been separately administered as a provincial - level " special city " since 1946 . Incheon  South Korea ' s third largest city  is on the coast of the ___MASK67___ and has been similarly administered as a provincial - level " metropolitan city " since 1981 . The three jurisdictions collectively cover 11 , 730 km , with a combined population of ___MASK12___ . 6 million  amounting to over half of the entire population of South Korea .