Hartsfield–Jackson Atlanta International Airport now the airport's second largest carrier. In May 2001 construction of an over fifth runway (10–28) began. It was completed at a cost of $1.28 billion and opened on May 27, 2006. It bridges Interstate 285 (the Perimeter) on the airport's south side, making Hartsfield–Jackson the nation's only civil airport to have a runway above an interstate (although Runway 17R/35L at Stapleton International Airport in Denver, Colorado crossed Interstate 70 until that airport closed in 1995). The massive project, which involved putting fill dirt eleven stories high in some places, destroyed some surrounding neighborhoods and dramatically changed the scenery of
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