Buses, while slower (up to 5 hours), are often more comfortable with wider, reclining seats, onboard restrooms, and scheduled breaks. Buses are generally cheaper than KTX, especially for routes like Seoul to Jeju. However, power outlets are less common on buses compared to trains. The choice depends on whether speed and convenience (train) or cost and comfort (bus) are prioritized. Buses also have dedicated lanes on toll roads to bypass traffic.
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