On October 31, 2015, Yadang Station opened between Tanhyeon and Unjeong.

​

On April 30, 2016, Hyochang Park Station opened between Yongsan and Gongdeok, opening a transfer with Line 6.

​

The line was extended one station eastward to Jipyeong on January 21, 2017.

​

On March 28, 2020, a new shuttle service was introduced, heading further north past Munsan to Imjingang. This completed the current line.

​

Trains frequently run between Yongmun and Munsan. Many trains stop at various locations on the line, such as Ilsan, Neunggok, Daegok, Yongsan, Cheongnyangni, Deokso, and Paldang. Some trains split at Gajwa, heading instead to Seoul Station. Four trains a day head past Yongmun to Jipyeong.

​

Several express services are offered:

• Gyeongui Express (Seoul Station Branch)

-This service goes between Munsan and Seoul Station. It stops at Geumchon, Unjeong, Ilsan, Baengma, Daegok, and Haengsin. It then makes all stops between Digital Media City and Seoul Station.

• Gyeongui Express (Main Line)

-This service goes between Munsan and Yongmun. It stops at Geumchon, Geumneung, Tanhyeon, Ilsan, Baengma, Daegok, Haengsin, Digital Media City, Hongik University, and Gongdeok. It then makes all stops between Yongsan and Yongmun. Some trains stop at Unjeong.

• Jungang Express

-This service goes between Munsan and Yongmun. It makes all stops between Munsan and Ichon, then stops at Oksu, Wangshimni, ​Cheongnyangni, Hoegi, Sangbong, Guri, Donong, Deokso, Dosim, Yangsu, and Yangpyeong.

​​

​

​

​

​