Дасин
Official approval for construction by National Development and Reform Commission on December 22, 2014. It called for an airport to be constructed in the southern part of Daxing District of Beijing, along the border of Beijing and Hebei Province. No design or plans were released due to ongoing negotiations. It was stated that it would consist of 7 runways, 6 for civilian use and 1 for military purposes. Construction has been completed as of September 2019 with a capacity of handling 75 million passengers by 2025. The cost of construction was initially estimated to be at least 70 billion RMB (US$11.2 billion), including the Beijing–Xiong'an intercity railway (Beijing section), to Beijing West railway station.