Gongdeok Station is a subway transfer station at Gongdeok Sageori in Mapo-gu, where Line 5, Line 6, the Airport Railroad, and the Gyeongui-Jungang Line meet. The transfer distance between Line 5 and Line 6 is short, and the Airport Railroad transfer route is shorter than at Seoul Station. Inside the station are a bicycle storage area, unmanned civil service machines, a luggage storage room, elevators, and accessible restrooms, along with a cultural space showing LG AR and Google AR works. The station is always crowded, so elderly and weak passengers can find transfers uncomfortable.