The Circular or Yellow line (code Y) () is a metro line in

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. The first phase of the project consists of the section from to and is approximately long with 14 stations. This initial section was opened on 31 January 2020.

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supplied 17 sets of 4-car driverless medium-capacity trains for the line.

Construction

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supplied electromechanical equipment for the line, including driverless technology and

CBTC Communications-based train control (CBTC) is a railway signaling system that uses telecommunications between the train and track equipment for traffic management and infrastructure control. CBTC allows a train's position to be known more accu ...

signaling. , currently the only underground station on the line, was constructed by RSEA Engineering Corporation and employed the

cut-and-cover A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...

method. Construction for the first phase officially broke ground on 11 July 2011 on a elevated section between Zhonghe and Banqiao. The section is estimated to cost

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13.7 billion, with the entire first-stage route estimated to cost NT$54.7 billion to construct. The line includes the first elevated split platforms in the system at , , and due to the narrowness of the available station area.

Stations in operation

The western section of the line officially opened on 31 January 2020.

Stations under construction

The north and south sections are approved for construction. Currently under construction, with estimated completion in 2029.

South section

Stations Y01–06 are approved for construction. (Unopened stations' names are to be confirmed)

North section

Stations Y21–32 are approved for construction. (Unopened stations' names are to be confirmed)

Planned stations

The east section is still under planning and subject to change. After this section is complete, the Circular line will go in a circle.

East section

(Unopened stations' names are to be confirmed)

Notes

References

Taipei Metro Standard gauge railways in Taiwan Railway lines opened in 2020 {{Taiwan-metro-stub