On this post I'll be showing the Y/Y aspect and what it means on the Class 1's.
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| Ex-Southern Line Yellow over Yellow. |
Y/Y,Y/Y/R BNSF: APPROACH MEDIUM - Proceed prepared to pass next signal not exceeding 40 MPH and be prepared to enter diverging route at prescribed speed. (Note: This must be an older display for routes that don't have a flashing mechanism.)
Y/Y,Y/*Y*,Y/Y/R CROR: CLEAR TO SLOW - Proceed, approaching next signal at SLOW speed.
Y/Y,Y/Y/R CSX: ADVANCE APPROACH - Proceed, prepared to stop at second signal. (Note: No dwarf aspect for it.)
Y/Y,Y/Y/R CSX (Conrail Line's): APPROACH SLOW - Proceed approaching the next signal at Slow speed. Trains exceeding Medium speed must begin reduction to Medium speed as soon as the locomotive passes the Approach Slow signal.
Y/Y,Y/Y/R Norfolk Southern (Southern Line's): ADVANCE APPROACH - Proceed, prepared to stop at second signal.
Y/Y,Y/Y/R Norfolk Southern (Norfolk & Western Line's): ADVANCE APPROACH - Proceed, prepared to stop at second signal.
Y/Y,Y/Y/R Norfolk Southern (Conrail Line's): APPROACH SLOW - Proceed approaching the next signal at Slow speed. Trains exceeding Medium speed must at once reduce to that speed.
Y/Y,Y/Y/R NORAC: APPROACH SLOW - Proceed approaching the next signal at Slow Speed. Trains exceeding Medium Speed must begin reduction to Medium Speed as soon as the engine passes the Approach Slow signal.
Y/Y,Y/Y/R Union Pacific: APPROACH DIVERGING - Proceed prepared to advance on diverging route at next signal at prescribed speed through turnout.
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