Protection of Track Work and Track Conditions

Canadian Rail Operating Rules

40. General

  • (a) Special instructions will specify when Rules 42/842, 43/843 and 849 are applicable on non-main track.

  • (b) When designated by time table footnotes or special instructions that TGBO and/or DOB are applicable on a track that is non-main track, protection of track work and track conditions may be provided as prescribed by Rules 42/842 and 43/843.

41. Protection of Track Work on Non-Main Track and in Cautionary Limits

This rule is not applicable on main tracks outside of cautionary limits, signalled sidings and other signalled tracks, or on other tracks specified in special instructions.

  • (i) A movement required to operate on a track protected by a red signal between the rails or a switch locked with a special lock must be stopped before passing it and be governed by any instructions from the foreman.

  • (ii) Only the foreman or an employee authorized by the foreman may remove the red signal and/or special lock.

  • (iii) Equipment must not be left on the same track that will block a clear view of any red signal.


Note: Foreman must refer to Rule 841

41. Protection of Track Work on Non-Main Track and in Cautionary Limits

The switch is lined away from the working point and locked with a special lock. - A red flag is placed between the rails in each direction at least 100 yards from the working point, where there will be a clear view of them from an approaching movement of 300 yards if possible.

42. Planned Protection

  • (a) Rule 42 signals must not be in place more than 30 minutes prior to or after the times stated in the GBO unless provided for in the GBO.


    Note: Foreman must refer to Rule 842

    42. Planned Protection

    Red signals are depicted at the locations stated in the General Bulletin Order and yellow over red flags are placed at least 2 miles in advance of the red flags. The flags are placed to the right of the track as seen by approaching movements. Diagram 2 - Red signals are depicted at the location stated in the General Bulletin Order and yellow over red flags are placed at least 2 miles in advance of the red flags. The flags are placed outside of outer main tracks.

  • (b) A movement in possession of the Form Y must not proceed beyond the red signal located at the identifiable location stated in the GBO, enter the track limits stated in the GBO, or make a reverse movement within such track limits until instructions have been received from the foreman named in the GBO.

    When a specific track is to be used, instructions from the foreman must specify the track upon which the instructions apply.

  • (c) The instructions must be repeated to, and acknowledged by, the foreman named in the GBO before being acted upon.

  • (d) When a signalled turnout is within two miles of Rule 42 protection which does not apply on all tracks, every movement must approach such location prepared to comply with the requirements of Rule 42 until it is known which route is to be used. 

43. Slow Track Protection

Form V GBO slow track protection will be marked in the field by a:

  • (i) yellow signal to the right of the track as seen from an approaching movement at least two miles in each direction from the outermost limits indicated in the GBO, and

  • (ii) green signal to the right of the track as seen from an approaching movement in each direction, immediately beyond the defect.

    EXCEPTION: When there are abutting limits contained within a single GBO, a single green signal will be displayed to either side of the track to identify each restriction within the limits.

When a Rule 43 restriction is located at a single mile point, one green signal will be displayed to identify the restriction and may be displayed to either side of the track.

When the placement of signals as prescribed by Rule 43 is delayed, the following will be added to the Form V: “Signals may not be in place.”

  • (a) A movement must not exceed the speed requirement of the GBO while at/or between opposing green signals.


    Note: Foreman must refer to Rule 843.

    43. Slow Track Protection

    Green flags are placed immediately beyond the defect and yellow flags are at least 2 miles in advance of the green flags. Flags are placed to the right of the track, as seen by approaching movements. Green flags are placed immediately beyond the defect and yellow flags are at least 2 miles in advance of the green flags. Flags are placed to the outside of the outer main tracks.

  • (b) When a signalled turnout is within two miles of a speed restriction which does not apply on all tracks, every movement must approach such location prepared to comply with the speed restriction until it is known which route is to be used.

44. Unusual Track Signal Conditions

  • (a) In the absence of any of the signals prescribed by Rule 42, between the times stated in a Form Y, a movement must be governed as though the signals are properly placed. Such condition must be communicated to the RTC as quickly as possible.

  • (b)

    • (i) A movement that encounters a yellow over red signal within the 30 minutes provided for in Rule 42(a), may proceed on the instructions received from the foreman named in the GBO. If the foreman cannot be contacted, the movement must be prepared to stop at a red signal and, if no red signal is encountered at the location stated in the GBO, the RTC must be advised.

    • (ii) A movement that encounters a red signal within the 30 minutes provided for in Rule 42(a), must stop, unless authorized to proceed on the instructions received from the foreman named in the GBO. If the foreman cannot be contacted, a crew member must communicate with the RTC as quickly as possible and be governed by instructions received.

    • (iii) A movement that encounters a yellow over red signal or red signal, outside the 30 minutes provided for in Rule 42(a) or without being in possession of a Form Y requiring the placement of such signal, must stop. A crew member must communicate with the RTC as quickly as possible and be governed by instructions received.

    • (iv) If the TGBO/DOB system and the engineering supervisor for the territory indicate that Rule 42 is not or will not be in effect within the limits of the signal, the RTC may authorize the movement to resume normal speed. The engineering supervisor will arrange for removal of the signals that may include having the crew on a movement pick up the signals.

  • (c) A movement within the track limits of a Form Y, at the time such protection takes effect, must be stopped unless a crew member is otherwise instructed by the foreman named in the GBO.

  • (d) In the absence of one or more of the signals prescribed by Rule 43, the movement will be governed by the requirement of the Form V. Such condition must be communicated to the RTC as quickly as possible.

  • (e) A movement that encounters a yellow or green signal without a GBO requiring the placement of such signal, must reduce speed to 10 MPH and immediately communicate with the RTC. The movement will be governed by instructions received from the RTC. If the TGBO/DOB system and the engineering supervisor for the territory indicate that Rule 43 is not or will not be imminently in effect within the limits of the signal, the RTC may authorize the movement to resume normal speed. The engineering supervisor will arrange for removal of the signals that may include having the crew on a movement pick up the signals.

  • (f) When a rail break has been detected by an engineering employee and it is safe to operate over the break at a speed less than posted speed, the RTC will provide GBO protection to affected movements stating the authorized speed over the break and how such location is marked in the field, by either a Rail Break Sign or foreman, at the break. Signals required by Rule 43 will not be in place.

45. Signal Placement Multi-Track

Except on a subdivision designated in special instructions, signals required by Rules 42/842 and 43/843, must be placed to the outside of the outermost track(s) and not between the main tracks.

45. Signal Placement Multi-Track

Green flags are placed immediately beyond the defect with yellow flags in advance of the green flags. Flags are placed to the outside of the main tracks. Green flags are placed immediately beyond the defect with yellow flags in advance of the green flags. Flags are placed on the north side of the north track. Green flags are placed immediately beyond the defect with yellow flags in advance of the green flags. Flags are placed to the outside of the main tracks.

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