The corporation operated a total of 201 subway trains at 148 stations on lines 5-8.

[4] The stations for Lines 5-7 are designed to fit in 8 cars on each platform, however subway stations operated on Line 8 is designed to fit 6 cars on each platform.

Each platform on every station operated by the Seoul Metropolitan Rapid Transit Corporation is equipped with a PSD, or Platform Screen Doors which help prevent suicide, and eliminate dust particles created by trains running in the tunnels.

Each station's platform is also equipped with many large LCD television screens that are parallel to the Platform Screen Doors which displays the information on the trains locations, live news, and video instructions in case of an emergency.

There is one display on each side of the panel that display the current time, arrival of the next two trains, at what door to transfer, (if at a transfer station) and the train's locations.