AILiving in Korea··10 min
Need a toilet in Korea? Head for the subway station, and check which side of the gates it's on
The 15-minute free re-entry rule, which lines are left out, and where to go when the station is closed
Public toilets in Korea are free, and a subway station is the surest bet. In the Seoul area most lines let you tap out to use one and re-enter within 15 minutes at no cost, but AREX, Shinbundang and Incheon lines don't.