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5 A B C D E F G H I J K L M N O P Q R S T U V W Y Z
Sa Sb Sc Sd Se Sf Sg Sh Si Sk Sl Sm So Sp Sr Ss St Su Sw Sy
Sib Sid Sig Sim Sin Sip Sit

SIGNAL ASPECT

by Metro Digital Resources Librarian • April 14, 2016

1. The appearance of a fixed signal conveying an indication, as viewed from the direction of an approaching rail unit. 2. The appearance of a cab signal conveying an indication, as viewed by an observer in the cab of a rail unit. (TRB)

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← SHIFT SHEET (TOUR OF DUTY, RAIL STINT, TRICK, TURN) OPERATIONS
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