The KORAIL Pass allows unlimited travel on KORAIL-managed trains, including Korea's high-speed KTX and regular tourist trains. Exclusively offered to international travellers, this pass ensures swift and convenient journeys, significantly reducing the travel time between Busan and Seoul from five to six hours by bus to just 2.5 hours. With access to over 600 stations, the pass allows exploration of diverse cities such as Gyeongju, Chuncheon, Gangneung, Pyeongchang, and more.