Project background：
Underground Transport Center of Tianjin Binhai International Airport is located at the departure and arrival plaza on the north side of the airport terminal and at the empty underground on its east side. Meanwhile, it is east to Donger Road, west to the lower approach bridge of the airport terminal T1, south to the newly-built airport terminal T2, and north to the surface parking lot. It includes two underground floors as a whole, and one underground floor in part, involving in Airport Extension Line of Metro Line 2 (M2 Line), Introduction Line of Beijing-Tianjin Intercity Extension Line, underground parking lots, transfer channels, channels connected to the airport terminal T1, as well as collection and distribution halls connected to the airport terminal T2.
