One Subway - Realtime location

■ National subway route map image We provide images so that you can see the subways in the metropolitan area (Seoul), Busan, Daegu, Daejeon, and Gwangju at a glance. ■ Subway timetable You can easily view the subway station timetable. ■ Route search If you specify the departure station, transit station, and arrival station, it will search for the fastest route. ■ Real-time subway location and arrival information (only supported lines) You can check the locations of the subways in Seoul. You can also find out which subways will arrive at the station soon. ■ Subway station detailed information It provides information such as subway station exit information, platform location, and restroom location.