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
Puebla International Airport 2001, was given in concession to Operadora Estatal de Aeropuertos (OEA) for operation and development. OEA is a company founded specifically to manage and carry out investments to extend airport facilities. The following entities take part in OEA's establishment: In 2003, the US Trade and Development Agency (TDA) provided a grant for US $550,000 to OEA to enable the completion of a project feasibility study regarding the upgrade of the Puebla International Airport. OEA subsequently retained the services of The Louis Berger Group Inc. from the US to complete the study, which concludes that in the long term the airport