Asan is a major rail access point for South Chungcheong Province, positioned on the national high-speed corridor between the Seoul area and southern South Korea. The city area has several passenger stations, led by Cheonan-Asan Station for KTX and SRT services. Korail and SR both serve the Asan rail market, giving travelers access to high-speed, intercity, and regional train tickets.
Cheonan-Asan Station is the main high-speed train station for Asan and neighboring Cheonan, with KTX services operated by Korail and SRT services operated by SR. Asan Station and Onyangoncheon Station serve the Janghang Line, where Korail runs ITX-Saemaeul, Mugunghwa, and regional services toward western Chungcheong and the Seoul rail network.
Rail routes from Asan run north toward Seoul Station, Yongsan, and Suseo, south along the Gyeongbu corridor toward Daejeon, Dongdaegu, Busan, and Ulsan, and west through the Janghang Line toward Hongseong, Daecheon, and Iksan. Book trains from and to Asan online at Rail Monsters.