Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Cheonan Station is the main train station in central Cheonan, South Korea, and the junction of the Gyeongbu and Janghang Lines. It has also been served by Seoul Subway Line 1 since 2005. Seoul Subway Line 1 of the Seoul Metropolitan Subway, formerly known as the Korea National Railroad of Seoul, is an operation channel which links central Seoul, South Korea to Soyosan Station in the northeast, Incheon in the southwest, and Asan via Suwon in the south. This line covers a large part of the Seoul National Capital Area.