The Korea Railroad Corporation is the national railway operator in South Korea. It is branded as KORAIL (코레일) and changed its official Korean name in November 2019. Currently, KORAIL is a public corporation, managed by Ministry of Land, Infrastructure and Transportation.
The Gyeongbu line (Gyeongbuseon) is a railway line in South Korea and is considered to be the most important and one of the oldest in the country. It was constructed in 1905, connecting Seoul with Busan via Suwon, Daejeon, and Daegu. It is by far the most heavily travelled rail line in South Korea.
The Honam Line is a major railway line serving the Honam region in South Korea. The line is served by frequent passenger trains from Seoul to Gwangju and Mokpo.
Korea Train eXpress (Korean: 한국고속철도), often known as KTX, is South Korea's high-speed rail system, operated by Korail. Construction began on the high-speed line from Seoul to Busan in 1992. KTX services were launched on April 1, 2004.
Seoul Station (Korean: 서울역) is a major railway station in Seoul, the capital of South Korea. The station is served by the Korail Intercity Lines and the commuter trains of the Seoul Metropolitan Subway.
The Gyeongjeon Line (Korean: 경전선) is a railway line serving South Gyeongsang and South Jeolla Provinces in South Korea. It covers a total of 300.6 km, from Samnangjin Station in Miryang, South Gyeongsang, to Gwangju Songjeong Station in Gwangju, South Jeolla.
Hyundai Rotem Co. is a South Korean company that manufactures rolling stock, defense products and plant equipment. It is a part of the Hyundai Motor Group. Its name was changed from Rotem to Hyundai Rotem in December 2007 to reflect the parent company. It is also called Hyundai Railroad Technology Systems.
Busan station (Korean: 부산역) is a train station in Busan, South Korea. It is the southern terminus of the Gyeongbu Line & the Gyeongbu high-speed railway, the most important railway lines in the country, which links Busan with Seoul in around two and a half hours on KTX, Korea's high-speed rail train. There are also cheaper, slower rail alternatives to Seoul, including the Mugunghwa service, which takes over four hours. Essentially all trains to Seoul stop in a few settlements between the two cities. It is also an underground station on Busan Metro Line 1 between Jungang and Choryang stations. The station is centrally located in the Choryang-dong (neighborhood) of Dong-gu (ward) in Busan.
The Mugunghwa-ho (Korean: 무궁화호) is a class of train operated by Korail, the main railway operator of South Korea. Mugunghwa trains are Korail's slowest tier of trains stopping at a number of towns and villages, and operating over a number of lines that are not served by other trains. Journey times are generally twice that of KTX trains and 25% longer than ITX express trains.
AREX is a South Korean airport rail link and commuter rail line that links Incheon International Airport with Seoul Station via Gimpo International Airport.
Rail transport in South Korea is a part of the transport network in South Korea and an important mode of the conveyance of people and goods, though railways play a secondary role compared to the road network. The network consists of 4,285 km (2,663 mi) of standard-gauge lines connecting all major cities with the exception of Jeju City on Jeju Island, which does not have railways; of the network, 2,790 km (1,730 mi) are double-tracked and 3,187 km (1,980 mi) are electrified. In 2018, rails carried 11.5 percent of all traffic in South Korea – 134.8 million passengers and 30.9 million tonnes of freight – with roads carrying 88.3 percent.
The Saemaeul-ho, formerly known as the Saemaul-ho and Saemaul Express, is a class of train operated by Korail, the national railroad of South Korea, since February 8, 1969. Before the introduction of the KTX express trains, the Saemaeul-ho was the fastest class of trains in South Korea, making the journey from Seoul to Busan in less than 5 hours. Saemaeul trains operated on several lines, but they now only operate on the Janghang Line.
Cheonan–Asan station (Korean: 천안아산역) is a ground-level train station located mostly in Asan, South Chungcheong Province, South Korea, although part of it lies in the neighboring city of Cheonan. This station serves high-speed KTX trains that run from Seoul to either Busan or Mokpo. It is connected to Asan station, a railway station on the Janghang Line which is also served by Line 1 of the Seoul Subway.
The Gyeongbu high-speed railway, also known as Gyeongbu HSR, is South Korea's first high-speed rail line from Seoul to Busan. KTX high-speed trains operate three sections of the line: on 1 April 2004, the first between a junction near Geumcheon-gu Office station, Seoul and a junction at Daejeonjochajang station north of Daejeon, and a second between a junction at Okcheon station, southeast of Daejeon, and a junction near Jicheon station, north of Daegu entered service; then on 1 November 2010, the third section, between a junction west of Daegu and Busan became operational. The missing gaps across the urban areas of Daejeon and Daegu were in construction for an expected opening in 2014, separate tracks into Seoul Station were also planned. The temporary ends of the three sections were connected to the parallel conventional Gyeongbu Line by tracks that will serve as interconnector branches upon the completion of the entire line. On 1 August 2015, construction on urban areas of Daejeon and Daegu were completed; all the sections of HSR line were connected.
Daejeon Station (Korean: 대전역) is on South Korea's high-speed KTX railway network, 166.6 km south of Seoul Station.
The KTX-Sancheon is a South Korean high-speed train built by Hyundai Rotem in the second half of the 2000s and operated by Korail since March 2010. With a top speed of 305 km/h (189.5 mph), the KTX-Sancheon is the second commercial high-speed train operated in South Korea and the first domestic high-speed train that is designed and developed in South Korea.
The KTX-I, also known as the TGV-K or Korail Class 100000, is a South Korean high speed train class based on the French TGV Réseau. The 20-car formation of the trainsets without a restaurant car is optimized for high capacity. The 46 trainsets were built partly in France and partly in South Korea in the framework of a technology transfer agreement, which was the basis for further domestic high-speed train development in South Korea.
High-speed rail service in South Korea began with the construction of a high-speed line from Seoul to Busan in 1992, and was inspired by Japan's Shinkansen. The first commercial high-speed rail service was launched on 1 April 2004. Currently, South Korea hosts two high-speed rail operators: Korea Train eXpress (KTX) and Super Rapid Train (SRT).
Jeongdongjin station (Korean: 정동진역) is a railway station on the Yeongdong Line of Korail, the station closest to the beach in South Korea, and a popular cross country train destination from Seoul, for sunrise viewing. It is claimed to be listed in the Guinness World Records as being the closest station and tracks to a beach anywhere in the world.
The Donghae Line (Korean: 동해선) is a railway line connecting Busanjin station to Yeongdeok in South Korea. The literal meaning of its name, the "East Sea Line," reflects its position along the nation's East coast. It merged with the Donghae Nambu Line on December 30, 2016, and will merge with the Donghae Bukbu Line.
Korail 
