Denver International Airport Automated Guideway Transit System and about 5,000 passengers were affected by the failure. The day of the failure is now referred to as "Black Sunday" by airport personnel. 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,
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