The Sveoul Pass Express mainly does not travel underground. The largest tunnels are between Central Station and Olympic City and Sveoul Mall and Wynn Palace. The train is considered a luxury train that connects the most important places.

Sveoul Metro has the largest rail network in the city. It consists of 4 lines. Red Line, Gold Line, Green Line and Orange Line. The metro has 12 stations in the city. The trains run regularly. On average, you don't wait a minute at a station.