From the ramp, departing passengers go through ticketing to the runway side where they would find gates to take them to the mobile lounge. This inclusion of the mobile lounge led to a revolutionary approach to airport movement, allowing the design of Dulles to do away with the multitude of gates that cluttered most terminals before it. In attempts to allow more space between the front of the building and the ticket counters, the main terminal was reconfigured and additions were made to both ends, doubling the structure's length