High Quality Content by WIKIPEDIA articles! The Taipei Metro Blue Line is a high-capacity rapid transit line comprises three lines: the Nangang Line, the Banqiao Line, and the Tucheng Line. The lines are divided at Ximen Station and Fuzhong Station, and offer through traffic to one another. When fully completed, it will have a total of 23 stations serving the Nangang, Xinyi, Daan, Zhonghsan, and Wanhua districts, as well as into the New Taipei districts of Banqiao and Tucheng.