Unseo station () is a railway station on AREX. Unseo-dong is the site of Airport Town Square (공항신도시), a relatively new town with hotels and other facilities for those going to or coming from Incheon International Airport. Before 2022, Unseo station was the only station in the Seoul Metropolitan Area to not apply transfer discounts. Complaints from residents eventually pressured the government to apply the discount.

Station layout L2Platform levelSide platform, doors will open on the left Eastbound AREX Local toward Seoul (Yeongjong) → AREX Express does not stop here →Westbound← AREX Local toward Incheon International Airport Terminal 2 (Incheon Int'l Airport Cargo Terminal)← AREX Express does not stop hereSide platform, doors will open on the left L1ConcourseLobbyCustomer service, shops, vending machines, ATMs GStreet levelExit

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