It is managed by the Taipei City Government Department of Rapid Transit Systems and scheduled to be complete in 2027.

When Phase I is completed, the line is expected to carry 270,000 riders per day, and passengers will be able to travel between the terminus at Zhonghe Senior High School and Taipei Main Station in 25 minutes.

[6] Jincheng Road (LG08) is where the other terminus is located, and will be named as Zhonghe Senior High School Station.

[7] A branch line consists of only Zhonghe Senior High School and Juguang stations.

The current plan has been submitted to Ministry of Transportation and Communications on 26 January 2017.