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
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