Photo: Wikimedia CommonsTap both waysT-money transfers depend on tapping when boarding and exiting.
Exit numbers matterThe wrong exit can add a long street-level detour.
Use local routingNaver Map or KakaoMap is the practical walking fallback.
Build the route before the platform
Search the destination in a local map app, note the line color, direction terminal and transfer station, then screenshot the route. At large stations, follow numbered exit signs before returning to street level.
