2026-03-17: A signal malfunction disrupted train operations on Tuesday (17 March) at around 10:22 am (local time) on Subway Line 9 in Seoul Capital, as trains experienced a signal failure leading to the suspension of express train services across the entire line.
Further air traffic disruptions are possible. Passengers are advised to contact their airline or tour operator about the current flight status in advance to their journey to the airport.
