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Definitions

LETS HAVE SOME FUN!

Across
Block occupancy controlled by automatic block signals and TSS.
A length of track having defined limits with its occupancy governed by fixed signals or controller's orders.
An irretrievable braking application used for emergency conditions activated by the red "Mushroom"button the operator's console utilizing dynamic, friction and track brake plus automatic application of sand.
Gates, flashers, and bells at a grade crossing which are automatically activated by the approach of a train.
Any occurrence involving an employee, a passenger, or DART equipment which results in death, injury, or property damage.
Down
The part of the CSS located in the operating cab that displays the cab signal indications and initiates various audible alarms, system faults, and operating modes.
The combination of color and position of a fixed signal, cab signal, displaying a light or lights as viewed by the operator.
Highest level of normal service brake utilizing dynamic and friction brake, (B-3 braking mode on the master controller).
A method whereby a train is authorized by the controller to enter a block already occupied by another train.
A method used by the controller to maintain train separation by use of interlocking signals, personnel, or specific location such as stations.