GTX사업은 지난해 4월 정부가 발표한 제2차 국가철도망 구축계획 전반기 착수사업에 반영돼 지난해 12월 14일 예비타당성조사가 착수된 상태다.
The GTX project was reflected in the government's announcement in April last year to launch the first half of the second plan to build a national railway network and a preliminary feasibility study was launched on Dec. 14 last year.