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
Edmonton International Airport an Air Canada Connector air carrier. Also in 1999, Horizon Air began nonstop Fokker F28 Fellowship jet service to Seattle flying on behalf of Alaska Airlines on a code sharing basis. Martinair Holland also operated flights between Edmonton International Airport and Amsterdam Schiphol Airport prior to the termination of this airline's passenger service. Edmonton International Airport offers United States border preclearance facilities. Passengers from domestic flights connecting in Edmonton to a US destination use Quick Connect, which enables passengers to clear security and US Customs and Border Protection without having to claim and recheck baggage during the connection. The four-star