The KTX train from Seonghwan to Sintaein departs as early as 6:15 AM, with the last train leaving at 8:50 PM. Key stations along the route include Daejeon and Cheongju. The high-speed KTX train covers the journey in approximately 1 hour and 15 minutes. Prices for tickets start at ₩24,000 (about $20 USD) for standard class, with first-class options available for added comfort. For your convenience, reserve a seat and review the schedule through online booking, allowing you to plan your trip effortlessly.