
Seoul Subway Guide: Lines, Transfers, and Apps
How the Seoul subway actually works — fares, transfer rules, which apps to trust, and line-by-line tips from someone who rides it every day.

How the Seoul subway actually works — fares, transfer rules, which apps to trust, and line-by-line tips from someone who rides it every day.

How to buy, top up, and use a T-money card on Korean subways, buses, and taxis — plus what changed with mobile payments for tourists.