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
International Peace Garden Airport International Peace Garden Airport International Peace Garden Airport is a public use airport in Rolette County, North Dakota, United States on the Canada–US border. The airport is owned by the North Dakota Aeronautics Commission and located 11 nautical miles (20 km) north of the central business district of Dunseith, North Dakota. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" facility. The airport is located just east of the International Peace Garden on the North Dakota/Manitoba border. It is an airport of entry to Canada and the United States