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LIRR Definitions Exam Questions and Answers 2024
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LIRR Definitions Exam
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LIRR Definitions ExamClear - answer Proceed
Clear Block - answer Proceed, Manual Block Clear
Slow Clear - answer Proceed, Slow Speed within interlocking limits
Medium Clear - answer Proceed, Medium Speed within interlocking limits
Limited Clear - answer Proceed at Limited Speed until entire train clears all interlocking
or spring switches
Absolute Clear - answer Proceed, Track clear to next interlocking signal. Approach next
interlocking signal prepared to stop
Absolute Slow Clear - answer Proceed, Slow Speed within interlocking limits. Track
clear to next interlocking signal. Approach next interlocking signal prepared to stop
Absolute Medium Clear - answer Proceed, Medium Speed within interlocking limits.
Track clear to next interlocking signal. Approach next interlocking signal prepared to
stop
Approach - answer Proceed approaching next signal prepared to stop. Train exceeding
Medium Speed must at once reduce to that speed
Approach Block Limit - answer Proceed approaching next block-limit signal prepared to
stop. Train exceeding Medium Speed must at once reduce to that speed
Approach Slow - answer Proceed approaching next signal at Slow Speed. Train
exceeding Medium Speed must at once reduce to that speed
Approach Medium - answer Proceed approaching next signal at Medium Speed
Approach Limited - answer Proceed approaching the next signal at Limited Speed
Advance Approach - answerProceed prepared to stop at the second signal. Trains
exceeding Limited Speed must begin reduction to Limited Speed as soon as engine
passes the Advance Approach Signal
, Medium Approach - answerProceed prepared to stop at the next signal. Trains
exceeding Medium Speed must begin reduction to Medium Speed as soon as the
Medium Approach Signal is clearly visible
Slow Approach - answerProceed approaching next signal prepared to stop. Slow Speed
within interlocking limits
Flashing Slow Approach - answerTrain will proceed in accordance with signal indication
within interlocking limits and, after clearing the interlocking, proceed under absolute
clear indication to the next interlocking
Stop Signal - answerStop
Train Order - answerOrders
Stop Signal / Train Order - answerStop / Orders
Stop and Proceed - answerStop then proceed at Restricted Speed
Stop Board - answerStop then be governed by timetable special instructions or General
Notice
Caution - answerTrain exceeding Medium Speed must at once reduce to that speed.
Where a switch is connected with the signal, approach that switch prepared to stop.
Approach next signal prepared to stop.
Restricting - answerProceed at Restricted Speed
Restricting (Zone A) - answerProceed at Restricted Speed until the entire train has
passed a signal displaying a more favorable aspect or entered non-signalled DCS
territory
Block Limit - answerLimit of the Block
Caution Indicator - answerFacing Point Switch(es) open. Trains exceeding Slow Speed
must at once reduce to that speed approaching switch or switches prepared to stop
Clear Indicator - answerFacing Point Switch(es) closed
Yard Switch Indicator - answerWhite - Switch Normal, Proceed at Restricted Speed
Yellow - Switch Reverse, proceed at Restricted Speed
Red - Switch not normal or reverse, route must be verified. The Conductor or Engineer
must examine the switch points to verify that the points fit the rail properly before
movement may be made over switch at Restricted Speed
End of Block - answerTrain must operate in accordance with Rule 153
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