aerotrain

The last major expansion at Dulles was a $3.4 billion package of projects completed in 2011 that expanded the main terminal and added the automated AeroTrain system, a fourth runway, a new control tower and other elements.

The last major expansion at Dulles was a $3.4 billion package of projects that expanded the main terminal and added the automated AeroTrain system, a fourth runway, a new control tower and other elements.

The proposed concourse would be built above an existing AeroTrain stop and eliminate the need for passengers to walk long distances or take a shuttle to their gates.

The AeroTrain is Dulles’s automated train system, built during the airport’s last major upgrade as part of a $3.4 billion package of projects that expanded the main terminal, and added a fourth runway, a new control tower and other elements.

The proposed concourse would be built atop an existing AeroTrain stop, which would eliminate the need for passengers to walk long distances or take a shuttle bus to their gates.