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… and provides explanations, guidance and examples to help railway companies and local railway companies develop and implement … Regulations use the term “Main track”, they mean a line of federal track on which the movement of railway equipment is …
271.289
… 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