Seoul's official Climate Card information defines service by eligible Seoul-licensed buses, covered subway sections and certain suburban rail segments. The Shinbundang Line, GTX and airport buses are generally excluded; even stations on the same line can fall inside or outside the pass coverage. Before traveling to Incheon Airport, distinguish airport rail services from airport buses and check the exact boarding and exit stations against the official coverage map.
Schedules, fares, inventory, booking availability and accessibility can change; recheck the operator's current notices shortly before traveling.