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
Pittsburgh International Airport Pittsburgh International Airport Pittsburgh International Airport , formerly Greater Pittsburgh International Airport, is a civil–military international airport in the eastern United States, in the suburbs of Pittsburgh, Pennsylvania. It is located in Findlay and Moon townships of Allegheny County, about west of downtown Pittsburgh, at an approximate elevation of above sea level. It was built to replace Allegheny County Airport, which was closer to Pittsburgh but too small to handle the growing passenger traffic. The new airport construction began in 1946 and opened in 1952. Over the decades, passenger traffic increased for the airport, especially as US Airways developed it