Dual Control SwitchElectric Switch LockAbsolute SignalAutomatic Block System (ABS)BlockCentralized Traffic Control (CTC)Control OperatorControl PointControlled
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Siding
Controlled Signal
Controlled Track
Crossover
Interlocking Signals
Loaded Bulk Commodity Train
Main Track
Non-Controlled Track
Off-Track Equipment
Proceed Indication
Reverse Movement
Siding
Special Instructions
Station
Track Bulletin
Track Car
Track Warrant Control (TWC)
Train
Yard Limit
Any employee operating a radio must do the following
For Mobile Units
Ending Radio Transmissions - "Over"
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