1. Rule 152
    When a train crosses over to or obstructs another track, unless otherwise provided, it must first be protected as prescribed by Rule 99.
  2. Rule 153
    • All movements on tracks used for passenger trains, not protected by a block signal system or by an interlocking, must be made at RESTRICTED SPEED.
    • Movements on tracks other than main tracks, unless otherwise specified, must be made at RESTRICTED SPEED.
  3. Rule 409
    Where speed controlled trains are operated with fixed automatic block or interlocking signals (except as affected by Rule 410)
  4. Rule 410
    Where speed controlled trains are operated without fixed automatic block signals
  5. Rule 26
    • A blue signal is a blue flag, blue light or a blue tag by day or a blue light or an illuminated blue tag by night.
    • Blue signals signify that workmen are on, under or between rolling equipment and when displayed:
    • 1. The equipment must not be coupled to or moved.
    • 2. Other equipment must not be placed on the same track so as to reduce or block the view of a blue signal.
    • 3. Rolling equipment must not pass a blue signal.
    • Blue signals must be displayed by each craft or group of workmen prior to their going on, under or between rolling equipment and may only be removed by the same craft or group that displayed them.
  6. Rule 251
    On portions of the railroad and on tracks specified in the timetable, trains will run with reference to other trains in the same direction by block signals whose indications will supersede the superiority of trains.
  7. Rule 99
    • When required, the flagman must go back with the proper signals to protect the train. The flagman must, in addition to the minimum distances, take into consideration the grade, curvature of track, weather conditions, sight distance and any other conditions which would affect the manner in which the protection must be afforded. The minimum distance for flag protection is:
    • Manual Block - 1200 feet
    • Automatic Block - 500 feet
    • Upon reaching this distance, the flagman will display one lighted fusee. The front of the train must be protected the same way, when required. When recalled and safety to the train permits, the flagman may return to the train leaving a lighted fusee. Crew members are responsible for the protection of their train. Fusees must not be left on bridges or trestles.
  8. Rule 100
    Within designated limits specified in the timetable, the main track may be used by proper signal indication or permission of the Block Operator without protecting against following movements on the same track.

    NOTE: Where Manual Block Signal System Rules are in effect, Rule 99 will apply for following movements when a disabled train is awaiting the arrival of an assisting train.
  9. Rule 261
    • On portions of the railroad and on tracks specified in the timetable, trains will be governed by block signals whose indications will supersede the superiority of trains for both opposing and following movements on the same track.
    • Trains MUST NOT clear or enter the main track at a switch not equipped with an electric lock without Form L authority.
  10. Rule 262
    A train for which the direction of traffic has been established must not move in the opposite direction without proper interlocking signal indication or permission from the Train Dispatcher through the Block Operator.
  11. Rule 316 (1st & last para.)
    (For absolute block for both following and opposing movements on the same track).

    A train must not be admitted to a block unless it is clear, except as provided by Rule 327, Rule 241 or Form L.
  12. Rule 327 (2nd & 3rd para.)
    • The Block Operator may permit a train to enter a block at RESTRICTED SPEED behind a train a sufficient distance to clear a main track switch in order to proceed in the opposite direction.
    • When authorized by the Train Dispatcher, the Block Operator may issue a Clearance Card Form A to permit a train to pass a Stop-block signal and enter an occupied block behind another train to do station work. The conductor or engineer must obtain block authority on Clearance Card Form K before proceeding from the station.
  13. Rule 407
    When the cab signal indicator changes to a more favorable indication, the speed must not be increased until the train has run its length.
  14. Rule 4
    Timetable / Schedule
    • Each timetable, from the moment it takes effect, supersedes the preceding timetable. A train of the preceding timetable thereupon loses both right and schedule. Thereafter, it may only proceed as provided by Rule 97.
    • Schedules of the new timetable take effect at the leaving time and date from their initial station.
    • Not more than one schedule of the same number and day shall be in effect.
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