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… and Interlocking Signals 405. Clear - Proceed. 1. A high mast, single aspect signal displaying green. 2. A high mast, staggered, double aspect signal displaying green on the top, red on the bottom. 3. A high mast, inline , double aspect signal, displaying green on …
64.275
… a valid certificate of rules; and (b) when conditions permit, require those to whom the TOP is read aloud, to read …
54.29
… 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