In 22 facilities across the U.S., thousands of air traffic controllers actively watch the skies over their assigned sectors. Each Air Route Traffic Control Center (ARTCC) is almost a small town in itself. The Operations Room contains 50 to 60 consoles with large computer monitors displaying aircraft data blocks imposed on top of aviation landmarks and sector boundaries. Surrounding the control floor are administrative, training and technical staff offices.
This is a companion discussion topic for the original entry at https://www.avweb.com/flight-safety/faa-regs/air-route-traffic-control