Three new runways were opened in late November, including Washington Dulles, Chicago O'Hare and Seattle-Tacoma international. The new runway at Dulles is its first addition since 1962 and brings the airport's total to four. At O'Hare, the new runway is part of a modernisation project designed to provide the airport with eight runways in parallel configurations (it previously operated six intersected runways of seven total). In Seattle, the airport's third runway will allow for two-abreast … [Read more...] about Three major US airports open new runways