The Jungbunaeryuk Line () is a rail line partly in operation and partly under construction from Bubal to Mungyeong. Construction started in November 2015. The line opened in December 2021 between Bubal on the Gyeonggang Line & Chungju on the Chungbuk Line. The KTX line was extended in 30 November 2024 from Chungju to Mungyeong. Another extension from Mungyeong to Gimcheon was approved in December 2022.
KTX-Eum operate on this line 4 times a day since December 31, 2021.