The KTX train service is the main option on the Illo to Haman route, traveling at speeds of up to 300 km/h. This high-speed service covers the distance in approximately 1 hour, providing modern seating arrangements, power outlets, and onboard refreshments. Alternatively, the Mugunghwa train offers a slower option, with speeds ranging from 80 to 120 km/h, taking around 2.5 hours to complete the journey, focusing more on comfort and accessibility.