This is bound to be a real joyfest for those of us that fly a lot. But heck, it is work for us in the construction industry. “Next month, passengers will see the first signs of a six-year, $450 million expansion of the airport’s Terminal 4, intended to foster international traffic growth and improve service.When completed in 2018, the terminal will double in size, add four gates – for a total of 14 – and provide double the number of restrooms, as well as new restaurants and concessions.”