GCOR Glossary questions with accurate answers
Absolute Block Ans✓✓✓ A length od track that no train is permitted to
enter while the track is occupied by another train.
Absolute Signal Ans✓✓✓ A block or interlocking signal without a
number plate or designated by an "A" marker
Articulated Ans✓✓✓ Permanently connected multiple unit cars that
share a common truck.
Automatic Block Signal System (ABS) Ans✓✓✓ A series of continuous
blocks governed by block signals, cab signals, or both. Activated by
train or by certain conditions that affect the block use.
Begin 'OS' Sign Ans✓✓✓ Sign marking the beginning of 'OS' circuit
area for a PAS. Fouling track between this sign and the End 'OS' sing
will cause the PAS to not operate.
Block Ans✓✓✓ A length of track between consecutive block signals or
between a block signal and the end of block system limits.
Block Register Territory (BRT) Ans✓✓✓ A method of operation in
non-signal territory where trains, men, & equipment are authorized to
occupy the main track in limits designated by the timetable.
, Block Signal Ans✓✓✓ A fixed signal at the entrance of a block that
governs trains entering and using that block
Block System Ans✓✓✓ A block or series or consecutive blocks within
ABS, ACS, CTC, or interlocking limits.
Centralized Traffic Control (CTC) Ans✓✓✓ A Block system that uses
block signal indication to authorize train movements.
Clearance Point Ans✓✓✓ The location closest to a switch where it is
safe for equipment, and a person riding the side of equipment unless
prohibited, to pass equipment on adjacent track.
Control Operator Ans✓✓✓ An employee assigned to operate a CTC or
interlocking control machine or authorized to grant track permits.
Control Point Ans✓✓✓ The location of absolute signals controlled by a
control operator or a railroad identifiable point as defined in the
timetable.
Control Point Sign Ans✓✓✓ A sign used to define a control point
within TWC limits.
Controlled Siding Ans✓✓✓ A siding within CTC or interlocking limits
where a signal indication authorizes the sidings use.
Absolute Block Ans✓✓✓ A length od track that no train is permitted to
enter while the track is occupied by another train.
Absolute Signal Ans✓✓✓ A block or interlocking signal without a
number plate or designated by an "A" marker
Articulated Ans✓✓✓ Permanently connected multiple unit cars that
share a common truck.
Automatic Block Signal System (ABS) Ans✓✓✓ A series of continuous
blocks governed by block signals, cab signals, or both. Activated by
train or by certain conditions that affect the block use.
Begin 'OS' Sign Ans✓✓✓ Sign marking the beginning of 'OS' circuit
area for a PAS. Fouling track between this sign and the End 'OS' sing
will cause the PAS to not operate.
Block Ans✓✓✓ A length of track between consecutive block signals or
between a block signal and the end of block system limits.
Block Register Territory (BRT) Ans✓✓✓ A method of operation in
non-signal territory where trains, men, & equipment are authorized to
occupy the main track in limits designated by the timetable.
, Block Signal Ans✓✓✓ A fixed signal at the entrance of a block that
governs trains entering and using that block
Block System Ans✓✓✓ A block or series or consecutive blocks within
ABS, ACS, CTC, or interlocking limits.
Centralized Traffic Control (CTC) Ans✓✓✓ A Block system that uses
block signal indication to authorize train movements.
Clearance Point Ans✓✓✓ The location closest to a switch where it is
safe for equipment, and a person riding the side of equipment unless
prohibited, to pass equipment on adjacent track.
Control Operator Ans✓✓✓ An employee assigned to operate a CTC or
interlocking control machine or authorized to grant track permits.
Control Point Ans✓✓✓ The location of absolute signals controlled by a
control operator or a railroad identifiable point as defined in the
timetable.
Control Point Sign Ans✓✓✓ A sign used to define a control point
within TWC limits.
Controlled Siding Ans✓✓✓ A siding within CTC or interlocking limits
where a signal indication authorizes the sidings use.
