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MTA TOWER OPERATOR STUDY GUIDE 2025|
BRAND NEW ACTUAL EXAM WITH 100%
VERIFIED QUESTIONS AND CORRECT
SOLUTIONS| GUARANTEED VALUE PACK| ACE
YOUR GRADES.
YELLOW OVER YELLOW OVER YELLOW - correct answer -
YARD INDICATION signal. Operate with the same restrictions as
a Call-On BUT you do not hae to stop or Operate the automatic
stop manual release lever or button. SLOW SPEED,
RESTRICTED SPEED AND EXTREME CAUTION
GREEN OVER GREEN (IRT) - correct answer - Proceed on the
main route. Next signal is clear
YELLOW OVER RED irt - correct answer - Proceed on main
route, with caution. Next signal is RED
RED/YELLOW - correct answer - Proceed on diverging route. Be
prepared to stop
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RED/RED/YELLOW - correct answer - Proceed on second
diverging route. Use caution be prepared to stop
RE/RED/RED/YELLOW - correct answer - STOP, this is a CALL-
ON read the iron
DWARF SIGNALS - correct answer - Located in the YARD and
on the main line for slow speed reverse move
APPROACH SIGNAL - correct answer - To control the movement
of trains in approach to a Home Signal
APPROACH SIGNAL SPECS - correct answer - Has an
automatic signal number plate. White plate with a black "X" on the
side identifying it as an interlocking signal
TOWER CONTROLLED - correct answer - Approach signal is
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MARKER SIGNALS - correct answer - Is not controlled by the
Towers
Always displayed the same aspect STOP/STAY
Defines the limits of interlocking
Absolute STOP/STAY
Has a black "X"
TIME CONTROLLED SIGNALS - correct answer - Controls the
speed of the train
Grade time
Station time
Wheel Detectors
GRADE TIME SIGNALS - correct answer - Lunar White
Illuminated "S"
Illuminated "D"
INTERLOCKING MACHINES - correct answer - Group of
manually operated levers for the control of switches
MTA TOWER OPERATOR STUDY GUIDE 2025|
BRAND NEW ACTUAL EXAM WITH 100%
VERIFIED QUESTIONS AND CORRECT
SOLUTIONS| GUARANTEED VALUE PACK| ACE
YOUR GRADES.
YELLOW OVER YELLOW OVER YELLOW - correct answer -
YARD INDICATION signal. Operate with the same restrictions as
a Call-On BUT you do not hae to stop or Operate the automatic
stop manual release lever or button. SLOW SPEED,
RESTRICTED SPEED AND EXTREME CAUTION
GREEN OVER GREEN (IRT) - correct answer - Proceed on the
main route. Next signal is clear
YELLOW OVER RED irt - correct answer - Proceed on main
route, with caution. Next signal is RED
RED/YELLOW - correct answer - Proceed on diverging route. Be
prepared to stop
, Page 2 of 28
RED/RED/YELLOW - correct answer - Proceed on second
diverging route. Use caution be prepared to stop
RE/RED/RED/YELLOW - correct answer - STOP, this is a CALL-
ON read the iron
DWARF SIGNALS - correct answer - Located in the YARD and
on the main line for slow speed reverse move
APPROACH SIGNAL - correct answer - To control the movement
of trains in approach to a Home Signal
APPROACH SIGNAL SPECS - correct answer - Has an
automatic signal number plate. White plate with a black "X" on the
side identifying it as an interlocking signal
TOWER CONTROLLED - correct answer - Approach signal is
, Page 3 of 28
MARKER SIGNALS - correct answer - Is not controlled by the
Towers
Always displayed the same aspect STOP/STAY
Defines the limits of interlocking
Absolute STOP/STAY
Has a black "X"
TIME CONTROLLED SIGNALS - correct answer - Controls the
speed of the train
Grade time
Station time
Wheel Detectors
GRADE TIME SIGNALS - correct answer - Lunar White
Illuminated "S"
Illuminated "D"
INTERLOCKING MACHINES - correct answer - Group of
manually operated levers for the control of switches
