Railway Signals Quiz
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Questions and Answers

What does the indication 'Proceed; manual block clear' refer to?

  • Stop-signal
  • Approach-medium
  • Clear-block (correct)
  • Absolute Clear

    • Which signal indicates to 'Proceed approaching next signal at Medium speed'?

  • Absolute Clear
  • Stop-signal
  • Medium-clear
  • Approach-medium (correct)

    • What does the 'Stop-signal' indicate?

  • Proceed; track clear to next interlocking signal
  • Proceed
  • Stop (correct)
  • Proceed; Medium speed within interlocking limits

    • Which signal allows for 'Proceed; track clear to next interlocking signal'?

    <p>Absolute Clear</p> Signup and view all the answers

    What might happen when a portion of a signal is flashing?

    <p>It may change the name and indication of the signal.</p> Signup and view all the answers

    What is the indication for 'Proceed; Medium speed within interlocking limits'?

    <p>Medium-clear</p> Signup and view all the answers

    Which signal is indicating 'Proceed' without any conditions?

    <p>Clear</p> Signup and view all the answers

    What does a 'Clear-block' signal allow a train to do?

    <p>Proceed; manual block clear.</p> Signup and view all the answers

    What does the indication 'Absolute-Medium-clear' instruct a train to do?

    <p>Approach the next interlocking signal prepared to stop.</p> Signup and view all the answers

    What action is required when a train encounters the 'Approach-slow' signal?

    <p>Reduce speed to medium at once.</p> Signup and view all the answers

    What does 'Caution' indicate when approaching a switch?

    <p>Prepare to stop at the next switch.</p> Signup and view all the answers

    What does the signal 'Flashing Slow-approach' instruct the train to do?

    <p>Proceed under clear indication after clearing the interlocking.</p> Signup and view all the answers

    What must a train do when it sees the 'Stop-signal' indication?

    <p>Stop completely.</p> Signup and view all the answers

    What does the 'Restricting' signal indicate?

    <p>Proceed at restricted speed.</p> Signup and view all the answers

    When a train receives the 'Absolute-Slow-clear' signal, what is expected?

    <p>Proceed at slow speed, with the track clear to next interlocking.</p> Signup and view all the answers

    What is the significance of the 'Block-limit' signal?

    <p>It signifies the limit of the block.</p> Signup and view all the answers

    What should trains do after passing an Advance Approach signal?

    <p>Begin reduction to Limited Speed as soon as the engine passes</p> Signup and view all the answers

    What is the indication of a Stop-and-proceed signal?

    <p>Stop; then proceed at Restricted Speed</p> Signup and view all the answers

    What action should a train take when encountering a Medium Approach signal?

    <p>Reduce speed to Medium Speed as soon as the signal is visible</p> Signup and view all the answers

    What is the primary action required when a train sees a Stop Signal?

    <p>Stop</p> Signup and view all the answers

    Under what circumstances should a train proceed at Restricted Speed?

    <p>When the entire train has passed a signal displaying a more favorable aspect</p> Signup and view all the answers

    What does the indication for 'Slow Proceed' signify for a train?

    <p>The train should proceed at slow speed and be governed by cab signal indications outside interlocking limits.</p> Signup and view all the answers

    What is the appropriate action when a train receives a 'Stop-signal' indication?

    <p>The train must stop immediately.</p> Signup and view all the answers

    What does the Clear Indicator signify regarding facing point switches?

    <p>Facing point switches are closed.</p> Signup and view all the answers

    What does the Stop board indicate?

    <p>Stop then be governed by timetable or special instructions</p> Signup and view all the answers

    What is the purpose of the Yard Limit board?

    <p>Indicates that the train must operate according to rule 153</p> Signup and view all the answers

    When encountering a Caution Indicator, what action should the train take?

    <p>Proceed at slow speed and prepare to stop.</p> Signup and view all the answers

    What is indicated by a Train Order signal?

    <p>Stop or follow orders as indicated.</p> Signup and view all the answers

    What does the ASC Cut out signify?

    <p>Entering a loop where speed control is disabled</p> Signup and view all the answers

    What must a train do if it encounters a 'Yard Switch Indicator' showing red?

    <p>Verify that the switch points fit the rail properly before proceeding.</p> Signup and view all the answers

    When is the Standard Whistle Post used?

    <p>To indicate approaching crossings where rule 14L must be sounded</p> Signup and view all the answers

    What should a train do when approaching a 'Restricting' indication?

    <p>Proceed at a restricted speed.</p> Signup and view all the answers

    What is indicated by the Quiet Zone Indicator?

    <p>Approaching crossings where Rule 14L will not be used unless specified</p> Signup and view all the answers

    What does the 'Approach Block-limit' indication instruct a train to do?

    <p>Proceed towards the next block-limit signal and be prepared to stop.</p> Signup and view all the answers

    What does the Clearance Point sign indicate?

    <p>The location where equipment must clear for access to tracks</p> Signup and view all the answers

    Which statement accurately describes the Begin ASC sign?

    <p>Signals the beginning of automatic speed control</p> Signup and view all the answers

    What is the purpose of the Approach / Distant signal marker?

    <p>To provide a visual reminder of rules 28B and 33B</p> Signup and view all the answers

    What does the Delay in Block sign indicate to engineers?

    <p>Rules 28B and 33B must be followed at a station stop.</p> Signup and view all the answers

    What is the indication of the Permanent Speed Restriction sign?

    <p>Reduce speed as prescribed by the timetable.</p> Signup and view all the answers

    What does the Begin MTEA sign represent?

    <p>The start of MTEA limits where specific rules apply.</p> Signup and view all the answers

    What is the purpose of the Temporary Resume Speed sign?

    <p>To indicate that trains have returned to normal speed.</p> Signup and view all the answers

    Which type of signals are referred to as Zone 'A' signals?

    <p>Signals used in Penn Station and East River Tunnels.</p> Signup and view all the answers

    What indicates that a train should approach the next signal at Limited speed?

    <p>Observe the Approach Limited signal.</p> Signup and view all the answers

    How do Zone 'A' signals differ from Zone 'C' signals?

    <p>Zone 'A' signals have similar indications but different names.</p> Signup and view all the answers

    When a train encounters a Temporary Advance Speed-limit sign, it indicates what?

    <p>To reduce speed as indicated.</p> Signup and view all the answers

    Study Notes

    Long Island Rail Road Employee Training and Development - Signal Reference Manual

    • This manual is for pre-employment training of engineer trainees
    • Students are responsible for identifying signal names and indications
    • Students are not responsible for notes during this training phase
    • Signal identification is based on light aspects (position or color) or the whole signal flashing
    • Flashing portions of a signal change its name and indication
    • Examples of signal types used on the LIRR are provided
      • Pedestal Light, Low Light, G-Head signal, Low Color Light, GCT Signal, 3 Head Color Light

    Fixed Signals

    • Students must identify signal names or aspects with 100% accuracy
    • Signal aspects can be indicated by the position or color of the lights
    • The entire or part of the signal may flash, altering its indication
    • A flashing symbol on the signal indicates a flashing portion

    Temporary Manual Block Signal

    • Signal names, "Clear-block" and "Stop-signal"
    • Indications for "Clear-block": Proceed; manual block clear
    • Indications for "Stop-signal": Stop

    Absolute Clear Signal

    • Indication: Proceed; track clear to next interlocking signal. Approach next interlocking signal prepared to stop.

    Approach-Medium Signal

    • Indication: Proceed approaching next signal at Medium speed.

    Medium-Clear Signal

    • Indication: Proceed; Medium speed within interlocking limits.

    Absolute-Medium-clear Signal

    • Indication: Proceed; Medium speed within interlocking limits. Track clear to next interlocking signal. Approach next interlocking signal prepared to stop.

    Approach-Slow Signal

    • Indication: Proceed approaching next signal at Slow speed. Train exceeding Medium speed must at once reduce to that speed.

    Approach Signal

    • Indication: Proceed approaching next signal prepared to stop. Train exceeding Medium speed must at once reduce to that speed.

    Caution Signal

    • Indication: Train 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.

    Slow-clear Signal

    • Indication: Proceed; Slow speed within interlocking limits.

    Absolute-Slow-clear Signal

    • Indication: Proceed; Slow speed within interlocking limits. Track clear to next interlocking signal. Approach next interlocking signal prepared to stop.

    Slow-approach Signal

    • Indication: Proceed approaching next signal prepared to stop. Slow speed within interlocking limits.

    Flashing Slow-approach Signal

    • Indication: Train will proceed in accordance with signal indication within interlocking limits and after clearing the interlocking, proceed under absolute clear indication to the next interlocking.

    Restricting Signal

    • Indication: Proceed at Restricted speed.

    Stop-and-Proceed Signal

    • Indication: Stop; then proceed at Restricted speed.

    Stop-Signal

    • Indication: Stop

    Block-limit Signal

    • Indication: Limit of the block.

    Absolute Proceed Signal

    • Indication: Proceed; slow speed within interlocking limits. Track clear to next interlocking signal. Approach Next interlocking signal prepared to stop.

    Proceed Signal

    • Indication: Proceed, governed by cab signal indications.

    Restricting Proceed Signal

    • Indication: Proceed; restricted speed within interlocking limits, then governed by cab signal indications outside of interlocking limits.

    Slow Proceed Signal

    • Indication: Proceed; slow speed within interlocking limits, then governed by cab signal indications outside of interlocking limits.

    Restricting Signal

    • Indication: Proceed at Restricted speed.

    Stop-signal

    • Indication: Stop

    Approach Block-limit Signal

    • Indication: Proceed approaching next block-limit signal prepared to stop. Train exceeding Medium speed must at once reduce to that speed.

    Stop signal/Train order Signal

    • Indication: Stop/Orders

    Train order Signal

    • Indication: Orders

    Distant Switch Indicator (DSI) - Caution Indicator

    • Indication: Facing point switch(es) open. Trains exceeding Slow speed must at once reduce to that speed approaching switch or switches prepared to stop.

    Distant Switch Indicator (DSI) - Clear Indicator

    • Indication: Facing point switch(es) closed.

    Yard Switch Indicator

    • Indication: White: 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.

    Main Track Switch Target

    • Indication: For diverging route / Switch lined normal for main track

    Stop board

    • Indication: Stop then be governed by timetable special instructions, General Notice or Bulletin notice.

    End of Block

    • Indication: Train must operate in accordance with rule 153.

    Yard limit board

    • Indication: Main Track Yard limits.

    Begin ASC

    • Indication: Automatic speed control begins.

    ASC Cut out

    • Indication: Entering cut out loop.

    Standard Whistle post

    • Indication: Approaching crossings at grade for which rule 14L must be sounded.

    Roadway Workers portable whistle post

    • Indication: When roadway work is being performed in multiple track portions of the railroad, a white banner below the "W" on the yellow background shall be used to indicate the track occupied by the roadway workers for which rule 14L must be sounded as a warning.

    Quiet Zone Indicator

    • Indication: Approaching crossing at grade for which Rule 14L will not be sounded except as specified by Special Instruction.

    Spring switch marker

    • Indication: Spring switch.

    Approach / Distant signal marker

    • Indication: Visual reminder to engineers of trains that Rules 28B and 33B apply between the distant signal and the home signal.

    Clearance Point sign

    • Indication: The location at which equipment must clear to access a track(s) for facing point moves in the opposite direction.

    Delay in block sign

    • Indication: Visual reminder to engineers of trains that Rules 28B and 33B apply when a station stop is made at this station.

    Permanent speed restriction sign

    • Indication: Reduce speed as prescribed by timetable.

    Temporary Speed Signs ----RULE 38A

    • Temporary Advance Speed-limit sign / Temporary speed-limit sign / Temporary resume speed sign

    Begin MTEA

    • Indication: The location at which MTEA limits begin. Trains must operate in accordance with rule 155.

    End MTEA

    • Indication: The location at which MTEA limits end.

    Approach Limited Signal

    • Indication: Proceed approaching the next signal at Limited speed.

    Limited Clear Signal

    • Indication: Proceed at Limited Speed until entire train clears all interlocking or spring switches

    Advance Approach Signal

    • Indication: Proceed prepared to stop at the second signal. Trains exceeding Limited Speed must begin reduction to Limited Speed as soon as the engine passes the Advance Approach signal.

    Medium Approach Signal

    • Indication: Proceed 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.

    Restricting Signal (page 21)

    • Indication: Proceed at Restricted Speed until the entire train has passed a signal displaying a more favorable aspect or entered non-signaled DCS territory.

    Stop-and-proceed Signal (page 21)

    • Indication: Stop; then proceed at Restricted speed.

    Stop-Signal (page 21)

    • Indication: Stop

    GCM Signals

    • Indication: Proceed, governed by cab signal indications.

    Reduced Proceed Signal

    • Indication: Proceed, governed by cab signal indications.

    Stop and Proceed Signal

    • Indication: Stop then proceed at Restricted Speed.

    Stop Signal

    • Indication: Stop

    Tips (page 24)

    • Signal diagrams and blank space for note-taking are provided.

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    Related Documents

    Long Island Rail Road Pre-Employment Reference Manual PDF

    Description

    Test your knowledge on railway signal indications and their meanings. This quiz covers various signals including stop, proceed, and caution signals, as well as their implications for train operations. Perfect for aspiring train operators and railway enthusiasts.

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