Denver International Airport, or DIA for short, is the premier airport in Denver, Colorado. DIA is the largest airport in United States, with a land area of 140 square kilometres. It has a total of six runways, and one of them, Runway 16R/34L, is the longest runway in the United States measuring in at almost 5 kilometres in length. The IATA code for the airport is DEN.
In 2013, Denver International Airport was the 15th-busiest airport in the world by the parameter of passenger traffic, with a staggering 52.5 million passengers. The airport provides daily services to several continents of North America, South America, Asia and Europe. DIA is the main center for Frontier Airlines, a low-cost carrier, and Great Lakes Airlines, a commuter carrier.
Talk about going green, Denver International Airport is the one and only one airport of United States which has an ISO 14001-certified environmental management system that includes the entire airport. In 2008, a gigantic two megawatt solar energy system was built which saves the environment of more than five million pounds of carbon emissions annually. Coupled with this is Denver International Airport's three solar array systems now produce around six percent of the airport's total power supply.
You can avail public bus services and taxis to the local metropolitan area. Luxury limousines offer pre-scheduled services to destinations within the Denver metropolitan area and within Colorado. Nearby hotels to the airport include Aloft Denver International Airport, and the Baymont Inns and Suites.