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… Instructions may be issued by a signalman when necessary. 602. Proper Signal Indications Required (a) Except in case of …
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… 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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