One Subway - Realtime location

One Subway is a comprehensive Chrome extension designed to enhance your subway travel experience across major Korean metropolitan areas including Seoul, Busan, Daegu, Daejeon, and Gwangju. It offers a detailed national subway route map for quick overview and easy navigation.

With One Subway, users can quickly access subway station timetables and search for the fastest routes by entering departure, transit, and arrival stations. Real-time subway locations and arrival information are available for supported lines, allowing users to track train positions and arrivals in Seoul. Additional station details such as exit locations, platform layouts, and restroom availability are also provided, making it an essential tool for efficient and informed subway travel.