The Brief President Donald Trump unveiled a $22.5 billion project to modernize Dulles International Airport. President Donald Trump unveiled plans Wednesday to carry out a $22.5 billion modernization of Washington Dulles International Airport, calling the project "sorely needed" after previously criticizing the facility as a "terrible airport." President Trump, appearing alongside the Transportation Secretary, announced the overhaul after months of reviewing design proposals submitted by 30 architects. Under the proposal, the airport would gain a new 32,000-space parking garage adjacent to the main terminal. Image 1 of 7 ▼ President Trump unveiled a $22.5 billion modernization project for Washington Dulles International Airport.