Some Empty Seats Stay Empty! Seoul Subway Etiquette in Practice—Priority Seats at Both Ends, Short Quiet Calls, Speaker Audio Can Be Fined, Backpack in Front, Step Off to Let People Out
Seoul has one of the densest metro networks anywhere, and actually riding it is not the hard part. Here’s the thing: what catches people out comes after boarding. You take an empty seat and feel eyes on you; you answer a call and someone says something. There is no rulebook, but a few unwritten lines that almost everyone observes—know them and you will blend in within a couple of days.