The Tamsui–Xinyi or ****Red line (code R) is a metro line in Taipei operated by Taipei Metro. It is named after the districts it connects: Tamsui and Xinyi. It includes a total of 28 stations serving the Tamsui, Beitou, Shilin, Datong, Zhongshan, Zhongzheng, Daan, and Xinyi districts. At 29 km, it is currently the longest line of the Taipei Metro. The Tamsui section runs mostly along the former Tamsui railway line. Most of the tracks and stations have been renovated there, except in the Zhongzheng district, where a new tunnel was constructed due to a lack of surface right-of-way. The Red line is a high-capacity metro system. The route and stations between and including and are underground; the routes and stations between and including and are elevated; station is elevated; the route and stations between and including and are ground level; and station is elevated.

History

For 15 years, trains operated between and via the southern part of the current, making it the longest-serving former service of the system, followed closely by a 13 year service from to via the southern part of the current. With the completion of station, Xinyi Line, and Songshan Line, both services ended, placing the current form of the Tamsui–Xinyi line into effect.

Services

As of December 2017, the typical off-peak service is:

Stations