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… of an engine, the employee in charge of the snow plow must sound engine whistle signals 14(f) and 14(l). All other …
75.3
… 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