Denver International Airport Automated Guideway Transit System Denver International Airport Automated Guideway Transit System The Denver International Airport Automated Guideway Transit System is a people mover system operating at Denver International Airport in Denver, Colorado. The system opened along with the airport itself in 1995, and was conceived as a means to connect all of the midfield concourses with the south terminal and quickly transport passengers between them because of the longer distances between each building, especially when compared to Stapleton International Airport, Denver's former airport. Located within the secure areas of the airport, the AGTS utilizes two mile-long tunnels traveling underneath the aircraft taxiways and passing
Stapleton International Airport Stapleton Airfield in 1944, in honor of Mayor Stapleton. Stapleton's modern horseshoe-shaped terminal design was first announced in 1946 and promptly shelved by incoming mayor James Newton. The original administration building was extended with new wings in the early 1950s, and replaced entirely in 1954. By the early 1950s, the airport was served by five major airlines. United connected Denver to both coasts, with multi-stop routes extending to Boston, New York and Washington in the east, to major cities on the West Coast, and to Honolulu. Braniff operated routes from Denver to Texas, with connections to South America. Continental connected