
Which Are the Different Terminals on the SeaTac Airport
There is a central terminal building on the Seattle-Tacoma International Airport. There are four concourses that is, from A to D in this building. There are also two satellite terminals that is north and south.
http://www.airport-technology.com/projects/seatac_tower/
The different satellite terminals are connected to the central terminal. There is a connection between the satellite terminals and the central terminal through the underground people mover system. There are different checkpoints that provide security for the entire airport. Once the passengers have been checked for security, they have access to the different gates.
http://www.airwise.com/airports/us/SEA/SEA_01.html

