Songshan Airport is located in Songshan District, Taipei City. The main runway is a composite structure with rigid decking and flexible structure. It has been over 20 years so far. Due to the service life of the structure nearby, the main area of runway construction is 10/28 (length 2,605 m, width 60m) the whole building, new 3mm on both sides of the shoulder and runway center line lights and so on.