Washington Dulles International Airport 1980s the original design, featuring mobile lounges to meet each plane, was no longer well-suited to Dulles' role as a hub airport. Instead, midfield concourses were added to allow passengers to walk between connecting flights without visiting the main terminal. Mobile lounges were still used for international flights and to transport passengers between the midfield concourses and the main terminal. An underground tunnel (consisting of a passenger walkway and moving sidewalks) which links the main terminal and Concourse B was opened in 2004. The Metropolitan Washington Airports Authority (MWAA) began a renovation program for the airport including a new security
Circle City Airport Circle City Airport Circle City Airport is a state owned, public use airport located in Circle (also known as Circle City), in the Yukon-Koyukuk Census Area of the U.S. state of Alaska. It is also known as Circle City (New) Airport. Scheduled commercial airline service is subsidized by the Essential Air Service program. As per Federal Aviation Administration records, the airport had 303 passenger boardings (enplanements) in calendar year 2008, 377 enplanements in 2009, and 355 in 2010. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" airport (the