The Taoyuan Metro (formerly Taoyuan Rail Transit and officially Taoyuan Mass Rapid Transit System) is a rapid transit system serving Taoyuan City, as well as parts of New Taipei City and Taipei City, in Taiwan. The most recently proposed network includes 11 lines and extensions, of which 2 are now under construction. The Taoyuan Airport MRT (Taipei Main Station - Huanbei) is the only line currently in operation. The system opened with the opening of the first line in the system, Taoyuan Airport MRT, for trial passenger service on 2 February 2017 and revenue passenger service on 2 March 2017.
