Norac - 10th Edition - Definitions
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LETP NORAC Definitions
- 1.NORAC - 10th Edition - Definitions A block that must not be occupied by more than one train.
- A.
Absolute Block
- B.
Block
- C.
Siding
- D.
Interlocking
- 2.NORAC - 10th Edition – Definitions A block signal that is activated either by track circuit or in conjunction with interlocking or controlled point circuits.
- A.
Block Signal
- B.
Automatic Block Signal
- C.
Distant Signal
- D.
Controlled Signal
- 3.NORAC - 10th Edition – Definitions A block signal system in which the use of each block is governed by an automatic block signal, cab signal, or both.
- A.
Block Signal
- B.
Automatic Block Signal
- C.
Automatic Block Signal System (ABS)
- D.
Controlled Signal
- 4.NORAC - 10th Edition – Definitions A device on an engine which will cause a penalty application of the brakes if the engineer fails to acknowledge a cab signal change to a more restrictive indication.
- A.
Cab Signal
- B.
Speed Control
- C.
Automatic Block Signal System (ABS)
- D.
Automatic Train Stop
- 5.NORAC - 10th Edition – Definitions A length of track with defined limits on which train movements are governed by block signals, cab signals, or Form D.
- A.
Block
- B.
Siding
- C.
Running Track
- D.
Main Track
- 6.NORAC - 10th Edition – Definitions A fixed signal displayed to trains at the entrance of a block to govern use of that block.
- A.
Home Signal
- B.
Block Signal
- C.
Controlled Signal
- D.
Interlocking Signal
- 7.NORAC - 10th Edition – Definitions A lever, plug, ring, or other method of control that restricts the operation of a switch or signal.
- A.
Spring Switch
- B.
Speed Control
- C.
Blocking Device
- D.
Bolt-Lock Switch
- 8.NORAC - 10th Edition – Definitions A hand-operated switch equipped with a pipe connected locking device that is designed to shunt the signal system before the switch points are operated.
- A.
Blocking Device
- B.
Spring Switch
- C.
Semi-Automatic Switch
- D.
Bolt-Lock Switch
- 9.NORAC - 10th Edition – Definitions A publication used to notify employees of changes to rules, procedures, or other instructions affecting the movement of trains and issued periodically by the designated officer.
- A.
General Order
- B.
Division Notice
- C.
Bulletin Order
- 10.NORAC - 10th Edition – Definitions Located in the engine control compartment, this signal is used in conjunction with interlocking signals (with or in lieu of block signals) and indicates track occupancy or condition.
- A.
Cab Signal
- B.
Automatic Block Signal
- C.
Automatic Block Signal System (ABS)
- D.
Home Signal
- 11.NORAC - 10th Edition – Definitions The location where the Operator is on duty, from which remote control signal appliances or switches are operated.
- A.
Controlled Point
- B.
Control Station
- C.
Controlled Siding
- D.
Interlocking Station
- 12.NORAC - 10th Edition – Definitions A station designated in the Timetable where signals are remotely controlled from the control station.
- A.
Controlled Point
- B.
Controlled Siding
- C.
Interlocking
- D.
Siding
- 13.NORAC - 10th Edition – Definitions A circuited track in which both ends are controlled and governed by signals under the control of a Dispatcher or Operator.
- A.
Controlled Siding
- B.
Controlled Signal
- C.
Interlocking
- D.
Interlocking Station
- 14.NORAC - 10th Edition – Definitions A fixed signal, capable of displaying Stop indication, that is controlled by a Dispatcher or Operator.
- A.
Distant Signal
- B.
Home Signal
- C.
Block Signal
- D.
Controlled Signal
- 15.NORAC - 10th Edition – Definitions The assigned direction of moment as specified in the Timetable.
- A.
Crossover
- B.
Current of Traffic
- C.
Special Instruction
- D.
Running Track
- 16.NORAC - 10th Edition – Definitions A fixed signal used to govern the approach of a train to a home signal.
- A.
Home Signal
- B.
Distant Signal
- C.
Block Signal
- D.
Controlled Signal
- 17.NORAC - 10th Edition – Definitions The portion of a railroad system assigned to the supervision of a Superintendent.
- A.
Station
- B.
Yard
- C.
Line
- D.
Division
- 18.NORAC - 10th Edition – Definitions A publication issued periodically by the designated officer, which contains instructions or information which do not affect the movement of trains.
- A.
General Order
- B.
Division Notice
- C.
Bulletin Order
- 19.NORAC - 10th Edition – Definitions A power-operated switch also equipped for hand operation.
- A.
Dual Control Switch
- B.
Switch
- C.
Spring Switch
- D.
Bolt-Lock Switch
- 20.NORAC - 10th Edition – Definitions A unit or combination of units propelled by any form of energy.
- A.
Engine
- B.
Train
- C.
Consist
- D.
Track Car
- 21.NORAC - 10th Edition – Definitions A train not designated by a Timetable schedule.
- A.
Camp Car
- B.
Extra Train
- C.
Scheduled Train
- D.
Engine
- 22.NORAC - 10th Edition – Definitions Being in such proximity to a track individual, tools or equipment could be struck by a moving train or other that an on-track equipment, or in any case is within four feet of the nearest rail.
- A.
Fouling Point
- B.
Fouling a Track
- C.
Yard Limits
- 23.NORAC - 10th Edition – Definitions The point on a track beyond which equipment will foul an adjacent track.
- A.
Yard Limits
- B.
Fouling a Track
- C.
Foul Point
- D.
Interlocking
- 24.NORAC - 10th Edition – Definitions A publication used to summarize changes to the Timetable and other instruction manuals which is issued periodically by the designated officer.
- A.
General Order
- B.
Division Notice
- C.
Bulletin Order
- 25.NORAC - 10th Edition – Definitions A fixed signal governing entrance to an interlocking or controlled point.
- A.
Interlocking Signal
- B.
Home Signal
- C.
Controlled Signal
- D.
Distant Signal
- 26.NORAC - 10th Edition – Definitions An interconnection of signals and signal appliances such that their movements must succeed each other in a predetermined sequence, assuring that signals cannot be displayed simultaneously on conflicting routes.
- A.
Interlocking
- B.
Controlled Siding
- C.
Running Track
- D.
Main Track
- 27.NORAC - 10th Edition – Definitions The track between the opposing home signals of an interlocking.
- A.
Controlled Siding
- B.
Interlocking Limits
- C.
Running Track
- D.
Block
- 28.NORAC - 10th Edition – Definitions The fixed signals of an interlocking.
- A.
Interlocking Signals
- B.
Home Signals
- C.
Controlled Signals
- D.
Distant Signals
- 29.NORAC - 10th Edition – Definitions A location from which an interlocking is operated.
- A.
Control Station
- B.
Temporary Block Station
- C.
Dispatcher's Office
- D.
Interlocking Station
- 30.NORAC - 10th Edition – Definitions A track designated by Timetable upon which train movements are authorized by ABS, DCS, or interlocking rules.
- A.
Main Track
- B.
Running Track
- C.
Industrial Track
- D.
Controlled Siding
- 31.NORAC - 10th Edition – Definitions A reflector, flag, or highly visible marking device, in the red-orange-amber range, affixed to the rear of a train to indicate that the train is complete.
- A.
Fixed Signal
- B.
Marker
- C.
Signal
- D.
Block Signal
- 32.NORAC - 10th Edition – Definitions The specific operating rule or group of operating rules that govern the use of tracks, as designated by the Timetable.
- A.
Rules-in-Effect
- B.
Special Instruction
- C.
General Order
- D.
Division Notice
- 33.NORAC - 10th Edition – Definitions The part of the Timetable that prescribes direction, number, frequency, and times for movement of designated trains.
- A.
General Order
- B.
Division Notice
- C.
Special Notice
- D.
Schedule
- 34.NORAC - 10th Edition – Definitions A train designated by Timetable Schedule.
- A.
Extra Train
- B.
Track Car
- C.
Scheduled Train
- D.
Camp Car
- 35.NORAC - 10th Edition – Definitions A signal as viewed from the direction of an approaching train, or on the cab signal display unit in the engine control compartment.
- A.
Signal Indication
- B.
Signal Name
- C.
Signal Aspect
- D.
Cab Signal
- 36.NORAC - 10th Edition – Definitions The required action conveyed by the aspect of a signal.
- A.
Signal Indication
- B.
Signal Instruction
- C.
Rules-in-Effect
- D.
Special Instruction
- 37.NORAC - 10th Edition – Definitions A device on an engine which will cause a penalty application of the brakes if the engineer fails to reduce the train’s speed to the speed required by the cab signal indication.
- A.
Automatic Train Stop (ATS)
- B.
Speed Control
- C.
Automatic Block Signal
- D.
Automatic Block Signal System (ABS)
- 38.NORAC - 10th Edition – Definitions A place designated in the Timetable by name.
- A.
Junction
- B.
Switch
- C.
Station
- D.
Street
- 39.NORAC - 10th Edition – Definitions A manned station that is established by Bulletin Order or Form D to control the movement of trains.
- A.
Station
- B.
Interlocking Station
- C.
Control Station
- D.
Temporary Block Station
- 40.NORAC - 10th Edition – Definitions An engine with or without cars.
- A.
Train
- B.
Engine
- C.
Track Car
- D.
Camp Car
- 41.NORAC - 10th Edition – Definitions A system of tracks used for the making up of trains.
- A.
Switch
- B.
Yard
- C.
Interlocking
- D.
Junction
- 42.NORAC - 10th Edition – Definitions A designated track on which movements may be made by signal indication or at Restricted Speed under the authority of an employee designated in the Timetable.
- A.
Main Track
- B.
Controlled Siding
- C.
Running Track
- D.
Interlocking
- 43.NORAC - 10th Edition – Definitions A printed booklet that contains schedules and/or special instructions affecting the movement of trains.
- A.
Schedule
- B.
Timetable
- C.
General Order
- D.
Bulletin Order
- 44.NORAC - 10th Edition – Definitions The movement of an uncoupled engine (or engines) or leading portion of a train, directed back toward the remaining stationary portion of the same train.
- A.
Current of Traffic
- B.
Crossover
- C.
Return Movement
- D.
Reverse Movement
- 45.NORAC – 10th Edition – Definitions A movement opposite the direction previously authorized.
- A.
Current of Traffic
- B.
Crossover
- C.
Return Movement
- D.
Reverse Movement
- 46.NORAC – 10th Edition – Definitions Speeds: NORMAL SPEED:
- A.
45 MPH
- B.
60 MPH
- C.
80 MPH
- D.
The maximum authorized speed.
- 47.NORAC – 10th Edition – Definitions Speeds: LIMITED SPEED: For passenger trains, not exceeding _____ MPH; for freights trains, not exceeding _____ MPH.
- A.
60, 55
- B.
50, 45
- C.
45, 40
- D.
40, 30
- 48.NORAC – 10th Edition – Definitions Speeds: MEDIUM SPEED:
- A.
Not exceeding 30 MPH
- B.
Not exceeding 35 MPH
- C.
Not exceeding 40 MPH
- D.
Not exceeding 45 MPH
- 49.NORAC – 10th Edition – Definitions Speeds: SLOW SPEED:
- A.
Not exceeding 30 MPH
- B.
Not exceeding 25 MPH
- C.
Not exceeding 20 MPH
- D.
Not exceeding 15 MPH
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