(Verified And Updated)
What must the transmitting employee say to indicate a radio transmission is complete and no
response is expected? (2.4)
Out
Trains must release Track and Time: (10.3b)
Before the time granted expires
Before granting Track and Time, what must the control operator do to the control machine to prevent
movement into the limits? (10.3.1)
Apply blocking or marking devices.
What is a fixed signal at the entrance of a block that governs trains entering and using that block? (GL)
Block signal
Engines, cars, or equipment must not be detached and left standing entirely between the opposing
interlocking signals that govern movements at a railroad crossing at grade. (9.19)
True
Who must communicate at once with the control operator when a call light is illuminated? (9.24)
Any employee who sees it unless the employee is on a moving train
Red flags are used in conjunction with: (MW 5.4.3)
Yellow-Red flags
Where the less-than-2-mile requirement applies, yellow flags will be placed between the switches of a
siding used for the meeting or passing of trains, and: (MW 5.4.2)
A yellow flag must be placed adjacent to the siding tracks.
What is a block or interlocking signal without a number plate or designated by an "A" marker? (GL)
Absolute signal
On-track equipment is defined as machines that may be operated on the rails, and includes motor
cars, push cars, trailers, hi-rail vehicles, cranes, tampers, power jacks, ballast shapers, booms, trucks,
and other similar equipment. (MW-GL)
True
Yard limits authorize on-track equipment to occupy a main track and perform work when a block
system is in effect to indicate condition of the block. (MW 6.3.1)
False
When the control operator has stopped a conflicting movement and both crews have been advised of
the move to be made: (9.12.1
The control operator may authorize another train to proceed in the same limits.
, What is a series of consecutive blocks governed by block signals, cab signals, or both and the signals
are activated by a train or by certain conditions that affect the block use? (GL)
Automatic Block Signal System
Within CTC, a train is stopped at a Stop signal, no conflicting movement is evident, and the train is not
within Track and Time limits. What action should the crew take? (9.12.1)
Immediately contact the control operator.
Except when communication has failed, an emergency release must not be operated or its seal
broken: (9.18)
Without permission from the control operator or train dispatcher
If a signal or signal appliance functions improperly or the track is damaged: (9.5.2)
No movements on such routes may be permitted until the track and signal appliance are examined
and movement can occur safely.
Signals that govern movement on affected routes must display a Stop indication.
What is a block signal system that uses block signal indications to authorize train movement? (GL)
Centralized Traffic Control
A red flag may be displayed between the rails: (MW 5.4.7)
On any track
Block signals, cab signals, or both: (9.3)
Govern the use of blocks
When signals are suspended, until informed that switches are lined for the main track and locked in
the hand position, movements over dual control switches must: (9.23.1)
Not be made until train has stopped, switch is inspected, circuit is fouled, and assured switches are
properly lined
Track and Time may be granted for: (10.3.2)
Trains, Machines, track cars, or employees
A train initiating movement between signals where there is no governing signal: (9.10)
Must move at restricted speed until the leading wheels have passed the next governing signal
What is a signal indication? (GL)
The action required by the signal aspect
When a train is approaching a Stop indication in CTC, the control operator knows there is no
conflicting movement, and the train is not within Track and Time limits, instructions to proceed will be
issued as follows: (9.12.1)
"After stopping, (train) at (location) has authority to pass signal displaying Stop indication."