All Signals/All Communication Signals

  1. Name: Clear Block

    Indication: Proceed; Manual block clear
  2. Name: Clear Block

    Indication: Proceed; Manual block clear
  3. Name: Clear Block

    Indication: Proceed; Manual block clear
    • (Temporary Manual Block Signal)
    • Name: Clear Block 

    Indication: Proceed; Manual Block Clear
    • (Temporary Manual Block Signal)
    • Name: Stop Signal 
    •              
    • Indication: Stop
  4. Name: Clear

    Indication: Proceed
  5. Name: Clear

    Indication: Proceed
  6. Name: Clear

    Indication: Proceed
  7. Name: Clear

    Indication: Proceed
  8. Name: Clear

    Indication: Proceed
  9. Name: Clear

    Indication: Proceed
  10. Name: Absolute-Clear

    • Indication: Proceed; Track clear to
    •                      next interlocking signal.
    •                
    •                     Approach next interlocking
    •                      signal prepared to stop.
  11. Name: Absolute-Clear

    • Indication: Proceed; Track clear to
    •                     next interlocking signal.                              
    •                    Approach next interlocking
    •                     signal prepared to stop.
  12. Name: Absolute-Clear

    • Indication: Proceed; Track clear to
    •                     next interlocking signal.                              
    •                     Approach next interlocking
    •                      signal prepared to stop.
  13. Name: Absolute-Clear

    • Indication: Proceed; Track clear to
    •                     next interlocking signal.                              
    •                     Approach next interlocking
    •                      signal prepared to stop.
  14. Name: Approach-medium

    • Indication: Proceed approaching next
    •                     signal at medium speed.
  15. Name: Approach-medium

    • Indication: Proceed approaching next
    •                     signal at medium speed.
  16. Name: Approach-medium

    • Indication: Proceed approaching next
    •                     signal at medium speed.
  17. Name: Approach-medium

    • Indication: Proceed approaching next
    •                     signal at medium speed.
  18. Name: Approach-medium

    • Indication: Proceed approaching next
    •                     signal at medium speed
  19. Name: Medium-clear

    • Indication: Proceed; Medium speed
    •                     within interlocking limits
  20. Name: Medium-clear

    • Indication: Proceed; Medium speed
    •                     within interlocking limits
  21. Name: Medium-clear

    • Indication: Proceed; Medium speed
    •                     within interlocking limits
  22. Name: Medium-clear

    • Indication: Proceed; Medium speed
    •                     within interlocking limits
  23. Name: Medium-clear

    • Indication: Proceed; Medium speed
    •                     within interlocking limits
  24. Absolute-Medium-Clear

    • Indication: Proceed; Medium speed
    •                     within interlocking limits.
    •                     Track clear to next
    •                      interlocking signal.
    •                     Approach next interlocking
    •                      signal prepared to stop.
  25. Name: Absolute-Medium-Clear

    • Indication: Proceed; Medium speed
    •                     within interlocking limits.                                       Track clear to next
    •                      interlocking signal.               
    •                     Approach next interlocking
    •                     signal prepared to stop.
  26. Name: Absolute-Medium-Clear

    • Indication: Proceed; Medium speed
    •                     within interlocking limits.                                       Track clear to next
    •                      interlocking signal.                                                 Approach next interlocking                                    signal prepared to stop.
  27. Name: Absolute-Medium-Clear

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

    • Indication: Proceed approaching next
    •                     signal at Slow speed.
    •                
    •                     Train exceeding Medium speed 
    •                     must at once reduce to that 
    •                     speed.
  29. Name: Approach-slow

    • Indication: Proceed approaching next
    •                     signal at Slow speed.
    •                
    •                     Train exceeding Medium speed 
    •                     must at once reduce to that    
    •                     speed.
  30. Name: Approach-slow

    • Indication: Proceed approaching next
    •                     signal at Slow speed.               
    •                
    •                     Train exceeding Medium speed 
    •                     must at once reduce to that    
    •                     speed.
  31. Name: Approach-slow

    • Indication: Proceed approaching next
    •                     signal at Slow speed.               
    •                
    •                     Train exceeding Medium speed
    •                     must at once reduce to that  
    •                     speed.
  32. Name: Approach-slow

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

    • Indication: Proceed approaching next
    •                     signal prepared to stop.
    •                
    •                     Train exceeding medium speed
    •                     must at once reduce to that
    •                     speed.
  34. Name: Approach

    • Indication: Proceed approaching next
    •                     signal prepared to stop.
    •                
    •                     Train exceeding medium speed
    •                     must at once reduce to that       
    •                     speed.
  35. Name: Approach

    • Indication: Proceed approaching next
    •                     signal prepared to stop.
    •                
    •                     Train exceeding medium speed
    •                     must at once reduce to that       
    •                     speed.
  36. Name: Approach

    • Indication: Proceed approaching next
    •                     signal prepared to stop.
    •                
    •                     Train exceeding medium speed
    •                     must at once reduce to that
    •                     speed.
  37. Name: Approach

    • Indication: Proceed approaching next
    •                     signal prepared to stop.
    •                
    •                     Train exceeding medium speed
    •                     must at once reduce to that
    •                     speed.
  38. Name: Approach

    • Indication: Proceed approaching next                                     signal prepared to stop.                              
    •                     Train exceeding medium speed                           must at once reduce to that
    •                     speed
  39. Name: Caution

    • Indication: Train exeeding medium speed                             must at once reduce to that speed.
    •                    Where a switch is connected with
    •                     the signal, approach that switch
    •                     prepared to stop.
    •                    Approach the next signal 
    •                    prepared to stop.
  40. Name: Slow-clear

    • Indication: Proceed; Slow speed within 
    •                     interlocking limits
  41. Name: Slow-clear

    • Indication: Proceed; Slow speed within
    •                     interlocking limits
  42. Name: Slow-clear

    • Indication: Proceed; Slow speed within  
    •                     interlocking limits
  43. Name: Slow-clear

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

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

    • Indication: Proceed; Slow speed within                                   interlocking limits
    •                     Track clear to next
    •                     interlocking signal.
    •                     Approach next
    •                     interlockIng signal
    •                     prepared to stop
  46. Name: Slow-approach

    • Indication: Proceed approaching next
    •                     signal prepared to stop.

    •                     Slow speed within
    •                      interlocking limits.
  47. Name: Slow-approach

    • Indication: Proceed approaching next
    •                     signal prepared to stop.

    •                     Slow speed within
    •                      interlocking limits.
  48. Name: Slow-approach

    • Indication: Proceed approaching next
    •                     signal prepared to stop.

    •                     Slow speed within
    •                     interlocking limits.
  49. Name: Slow-approach

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

    • Indication: Proceed approaching next
    •                     signal prepared to stop.

    •                     Slow speed within
    •                      interlocking limits.
  51. Name: Slow-approach

    • Indication: Proceed approaching next
    •                     signal prepared to stop.
    •                  
    •                    Slow speed within
    •                    interlocking limits.
  52. Name: Flashing Slow-approach

    • 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.
  53. Name: Flashing Slow-approach

    • 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.
  54. Name: Restricting

    Indication: Proceed at Restricted speed.
  55. Name: Restricting

    Indication: Proceed at Restricted speed.
  56. Name: Restricting

    Indication: Proceed at Restricted speed.
  57. Name: Restricting

    Indication: Proceed at Restricted speed.
  58. Name: Restricting

    Indication: Proceed at Restricted speed.
  59. Name: Restricting

    Indication: Proceed at Restricted speed.
  60. Name: Stop and proceed

    • Indication: Stop; then proceed at
    •                     Restricted speed.
  61. Name: Stop and proceed

    • Indication: Stop; then proceed at
    •                     Restricted speed.
  62. Name: Stop and proceed

    • Indication: Stop; then proceed at
    •                     Restricted speed.
  63. Name: Stop and proceed

    • Indication: Stop; then proceed at
    •                     Restricted speed.
  64. Name: Stop and proceed

    • Indication: Stop; then proceed at
    •                     Restricted speed.
  65. Name: Stop-signal

    Indication: Stop.
  66. Name: Stop-signal

    Indication: Stop.
  67. Name: Stop-signal

    Indication: Stop.
  68. Name: Stop-signal

    Indication: Stop.
  69. Name: Stop-signal

    Indication: Stop.
  70. Name: Stop-signal

    Indication: Stop.
  71. Name: Stop signal/Train order

    Indication: Stop/Orders
  72. Name: Stop signal/Train order

    Indication: Stop/Orders
  73. Name: Train order

    Indication: Orders
  74. Name: Block-limit

    Indication: Limit of the block
  75. Name: Approach Block-limit

    • Indication: Proceed approaching next
    •                     block-limit signal prepared to
    •                     stop.

    •               Train exceeding medium speed 
    •               must at once reduce to that speed
  76. Distant Switch Indicator

    Name: Clear Indicator

    Indication: Facing point switch(es) closed
  77. Distant Switch Indicator

    Name: 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
  78. Name: 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.
  79. Name: Main Track Switch Target

    Indication: Switch lined for diverging route
  80. Name: Main Track Switch Target

    Indication: Switch lined normal for main track
  81. Name: Stop board

    • Indication: Stop, then be governed by
    •                  timetable special instructions, 
    •                  General Notice, or Bulletin Notice
  82. Name: End of Block

    • Indication: Train must operate in
    •                     accordance with Rule 153
  83. Name: Yard Limit Board

    Indication: Main Track Yard Limits
  84. Name: Begin ASC

    Indication: Automatic speed control begins
  85. Name: Begin ASC

    Indication: Automatic speed control begins
  86. Name: ASC Cut out

    Indication: Entering cut out loop
  87. Name: Standard Whistle Post

    Indication: Approaching crossings at grade for                     which Rule 14L must be sounded
  88. Name: Standard Whistle Post

    • Indication: Approaching crossings at grade for
    •                     which Rule 14L must be sounded
  89. Name: 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
  90. Name: Quiet Zone Indicator

    • Indication: Approaching crossings at grade 
    •                     for which Rule 14L will not be
    •                     sounded except as specified by
    •                     Special Instruction
  91. Name: Spring switch marker

    Indication: Spring switch
  92. 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
  93. Name: 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
  94. Name: Permanent speed restriction sign

    • Indication: Reduce speed as prescribed by 
    •                     timetable
  95. Name: Temporary Advance Speed-limit sign
  96. Name: Temporary Speed-limit sign
  97. Name: Temporary Resume speed sign
  98. Name: Clearance Point Sign

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

    • Indictation: Proceed, governed by cab signal
    •                   indications
  100. Name: Absolute Proceed

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

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

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

    Indication: Proceed at Restricted Speed
  104. Name: Stop Signal

    Indication: Stop
  105. O (Engine)
    At specified locations, the engineer may sound one short blast of the engine whistle or horn preparatory to starting from a station where a Highway crossing is partially occupied by or close ahead of trains
  106. OO (Engine)
    Answer to any signal not provided for
  107. OOO (Engine)
    • 1. When standing;back.
    •     Answer to 12d and 16c.

    2. When running; answer to 16c.
  108. OOOO (Engine)
    Call for signals.
  109. OOOOO (Engine)
    Call inspector.
  110. Succession of Short Sounds (Engine)
    • 1. Will be sounded as a warning when 
    •     approaching people or animals on or
    •     about the track.

    • 2. When approaching passenger stations
    •     on tracks next to platforms where trains
    •     are not scheduled to stop (except
    •     Jamaica),when persons are not clear
    •     of the yellow safety line on station
    •     platforms. 
    •    
    •     To be sounded until passenger station
    •     is reached.
  111. --O- (Engine)
    • 1. A. When approaching a public highway crossing, a train or locomotive operating greater than 60 MPH must sound the
    • engine whistle at the whistle post.

    •      B. If operating 60 MPH or less, a train
    • or locomotive must sound the engine
    • whistle at least 15 but not more than 20 seconds before occupying the crossing.
    • This may require sounding the engine whistle beyond the whistle post.

    •     C. When a train or engine is stopped
    • at a location such that it will take less
    • than 15 seconds for the movement to
    • occupy a public grade crossing, the
    • whistle signal may be sounded for less
    • than 15 seconds provided:
    •     a) The public grade crossing is
    • equipped with automatic flashing lights
    • and gates and the gates are fully
    • lowered;AND
    •     b) There are no conflicting highway movements approaching the public grade crossing.
    •     IN ALL CASES, the engine whistle must
    • be prolonged or repeated until the train or locomotive occupies the crossing.

    2. Approaching locations where Roadway Workers are at work on or near tracks, bridges or other structures.
  112. - O (Engine)
    When running against the current of traffic.

    • 1. Approaching stations, curves or other
    •     points where view may be obscured.
    • 2. Approaching passenger or freight trains
    •     and when passing freight trains.
  113. O - O (Engine)
    • Fire or smoke condition exists. To be
    • sounded continuously at open block or interlocking stations if the radio is
    • inoperative.
  114. -OOO (Engine)
    Flagman protect the rear of the train.
  115. -OOO- (Engine)
    Repeat
    Flagman protect the adjacent track.
  116. - - - - (Engine)
    Flagman on single track or No. 2 track may return from the west.
  117. - - - - - (Engine)
    Flagman on single track or No. 1 track may return from the east.
  118. O (Buzzer)
    1. When standing - MU Train-Emergency application of the brakes has been observed on the rear of the train, recharge brake pipe and release air brakes.

    2. When standing - DE/DM/Push Pull trains- Place the automatic brake valve in the hold position.
  119. OO (Buzzer)
    1. When standing - start.

    2. When running - Stop at once.
  120. OOO (Buzzer)
    1. When standing - back.

    2. When running - Stop at next passenger station.
  121. OOOO (Buzzer)
    1. When standing - apply or release brakes.

    2. When running - reduce speed.
  122. OOOOO (Buzzer)
    When running - increase speed.
  123. - (Buzzer)
    1. When standing - while testing air brakes on train: brakes have applied and released on the rear car and are operative.

    2. When standing - door open; check doors.
  124. OO OO (Buzzer)
    To call the conductor or a crew member to the operating compartment of the train.
  125. - OO - (Buzzer)
    When operating in door bypass; doors clear of all encumbrances, proceed.
  126. O - O (Buzzer)
    A fire or smoke condition exists. The engineer must operate in accordance with special instructions.
  127. _______ (Interlocking)
    All movements within interlocking limits stop immediately
  128. oo (Interlocking)
    Resume normal movement after receiving the proper signal or permission from the Block Operator
  129. ooo (Interlocking)
    Whistle or horn test
  130. oooo (Interlocking)
    Call signal maintainer
  131. ooooo (Interlocking)
    Call electric traction employee
  132. oooooo (Interlocking)
    Call maintenance of way employee
  133. ooooooo (Interlocking)
    Call drill crew
  134. Indication: Stop

    • Procedure:
    • A. Swing the lamp horizontally across the
    •     track
    • G. Any object waved violently by anyone
    •     on or near the track is a signal to Stop

    • *Door Operation
    • Indication: Doors not clear, keep doors open
  135. Indication: Reduce Speed

    • Procedure:
    • B. Hold the lamp horizontally at arm's length
  136. Indication: Proceed

    • Procedure:
    • C. Raise and lower the lamp vertically

    • *Door Operation
    • Indication: Doors clear, close doors
  137. Indication: Back

    • Procedure: 
    • D. Swing the lamp vertically in a circle
    •     at half arm's length and at right angles
    •     to the track
  138. Indication: Apply Brakes

    • Procedure:
    • E. Swing the lamp horizontally above the
    •     head at right angles to the track, when
    •     standing
  139. Indication: Release Brakes

    • Procedure:
    • F. Hold the lamp at arm's length above the
    •     head, when standing
  140. Name: Approach Limited

    • Indication: Proceed approaching the next
    •                     signal at Limited Speed
  141. Name: Approach Limited

    • Indication: Proceed approaching the next
    •                     signal at Limited Speed
  142. Name: Approach Limited

    • Indication: Proceed approaching the next
    •                     signal at Limited Speed
  143. Name: Limited Clear

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

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

    • Indication: Proceed at Limited Speed until
    •                     entire train clears all interlocking
    •                     or spring switches
  146. Name: Advance Approach

    • Indication: Proceed 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.
  147. Name: Advance Approach

    • Indication: Proceed 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.
  148. Name: Advance Approach

    • Indication: Proceed 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.
  149. Name: Medium Approach

    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.
  150. Name: Medium Approach

    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.
  151. Name: Medium Approach

    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.
  152. Name: Restricting (Zone A)

    • Indication: Proceed at Restricted speed until
    •                     the entire train has passed a
    •                     signal displaying a more
    •                     favorable aspect or entered
    •                     non-signaled DCS territory
  153. Name: Restricting (Zone A)

    • Indication: Proceed at Restricted speed until
    •                     the entire train has passed a
    •                     signal displaying a more
    •                     favorable aspect or entered
    •                     non-signaled DCS territory
  154. Name: Restricting (Zone A)

    • Indication: Proceed at Restricted speed until
    •                     the entire train has passed a
    •                     signal displaying a more
    •                     favorable aspect or entered
    •                     non-signaled DCS territory
  155. Name: Stop and proceed

    • Indication: Stop then proceed at restricted
    •                     speed
  156. Name: Stop and proceed

    • Indication: Stop then proceed at restricted
    •                     speed
  157. Name: Stop-signal

    Indication: Stop
  158. Name: Stop-signal

    Indication: Stop
Author
ozzlvlosis
ID
347968
Card Set
All Signals/All Communication Signals
Description
All Signals/All Communication Signals
Updated