Stapleton, Denver Lake Nature Center, one of the nation's largest urban wildlife refuges. As of 2018, Stapleton has a population of around 75,000 residents living amongst 23,500 households. The Northfield section of the development (north of Interstate 70) still has significant residential and commercial development occurring today. The University of Colorado A-Line directly connecting Denver Union Station downtown to Denver International Airport started operating in 2016 and has one stop in Stapleton; the Central Park Station. Stapleton is served by the Central Park commuter rail and bus station, with direct connections to Union Station in downtown and the Denver International Airport via
Stapleton International Airport operated nonstop service between Denver and London from 1981 to 1982, but thereafter shifted resources to Salt Lake City and Los Angeles; Denver ceased to be a Western hub by the time Delta acquired Western in 1987. Southwest Airlines and People Express tried low-cost service to Denver in the mid-1980s, but Southwest withdrew and People Express was acquired by Continental. In September 1982 the first revenue flight of the Boeing 767 arrived at Stapleton, a United flight from O'Hare International Airport in Chicago. During the energy boom of the early 1980s, several skyscrapers were built in downtown Denver, including Republic