The MRT trains of the Tamsui Line start underground, then rise up onto elevated tracks, and then return to ground level to finish their journey. The route follows the old Taipei – Tamsui railroad line, -overlaying -historical with contemporary transportation technology.
鑽入地下、登出高架，又重返地面，捷運淡水線沿著老台北人記憶中的台鐵北淡線，是古今交融的交通智慧。