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… the crew on a movement pick up the signals. (f) When a rail break has been detected by an engineering employee and … and how such location is marked in the field, by either a Rail Break Sign or foreman, at the break. Signals required by …
18.406
… and snow is three inches or greater above the top of rail; the crew has experienced unusual braking conditions or … there is no fence or other barrier between them, moving rail cars not headed by an engine or when headed by a … use. (f) When advised by special instructions that rusty rail or other conditions may exist, occupancy of crossings …
21.108
… to, and acknowledged by, the RTC . 156. Daily Operating Bulletin (DOB) (a) Except as provided for in paragraph (b), a … and placed in the appropriate DOB . 157. Tabular General Bulletin Order (TGBO) (a) A movement must not move on any … clear TGBO limits, the movement must be stopped. … General Bulletin Order (GBO) …
70.177
… 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
… 351. Application On portions of the railway so specified by special instructions, the use of the main track will be governed by the Special Control System. 352. Supervision Movements and track … who will issue instructions as may be required. 353. SCS Special Instructions Special instructions necessary to govern …
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