Metro line in New Taipei City
The Circular or Yellow line (code Y) (Chinese: 環狀線) is a metro line in New Taipei City, part of the New Taipei Metro, which was previously a line of the Taipei Metro. Currently the line runs between Dapinglin and New Taipei Industrial Park, it is approximately 15.4 km (9.6 mi) long with 14 stations.[5] This initial section was opened on 31 January 2020.[3] Hitachi Rail Italy supplied 17 sets of 4-car driverless medium-capacity trains for the line.[6][1] Extensions to the north and south are currently under construction.