自動列車制御装置
During normal passenger operation on revenue tracks, trains are designed to be controlled by an integrated Automatic Train Operation (ATO) and Automatic Train Control (ATC) system that accelerates and brakes trains automatically without operator intervention. All trains are still manned with train operators who open and close the doors, make station announcements, and supervise their trains. The system was designed so that an operator could manually operate a train when necessary.