KTX High-Speed Train Map
KTX trains is one of the most convenient and fastest ways to travel in South Korea. KTX high-speed trains operate along 5 train lines:
KTX Gyeongbu Line
This line connects Seoul to Busan, and is the oldest one in South Korea. Gyeongbu is a very busy line, heavily used by locals and foreigners. The line goes from Seoul to Busan via some of the biggest cities in the country: Suwon, Daejon, and Daegu.
KTX Honam Line
KTX Honam is another major line in South Korea. The line runs from Yongsan Station in the capital (Seoul) to Gwangju and Mokpo in the southwest. Second part of the Honam line starts in Daejeon, and continues trough Dugye, Jeolla-do, and ending in Mokpo city.
KTX Gyeongjeon Line
This line starts from Samnangjin Station in Miryang, South Gyeongsang, to Gwangju Songjeong Station in Gwangju, South Jeolla.
KTX Jeolla Line
This line goes from Seoul via the Gyeongbu and Honam Lines to Yeosu.
KTX Gangneung Line
The line goes between Seoul and Gangneung .
Chugun - Own work, CC BY-SA 4.0 [source]