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… of outer main tracks. (b) A movement in possession of the Form Y must not proceed beyond the red signal located at the … which route is to be used. 43. Slow Track Protection Form V GBO slow track protection will be marked in the field … by Rule 43 is delayed, the following will be added to the Form V: “Signals may not be in place.” (a) A movement must …
83.986
… The following examples of GBO will be used where applicable. Times, mileages and speeds shown in MPH will be in numbers only. Form S - Main Track Out of Service (1) Main track out of service between siding switches …
42.468
… TOP , GBO and other instructions as may be required. 302. Clearance Required (a) Except within cautionary limits, a train or transfer must be authorized by a clearance to foul or enter a track where OCS rules are applicable. (b) A clearance will be sent direct to the crew of the train or …
41.218