Question on trackside sign

NW Modeling List nw-modeling-list at
Tue Feb 22 19:59:37 EST 2022

Hello all,

I’ve noticed in several N&W videos a trackside yellow triangular sign with a black “Y” in the center.  What does this sign mean?  I couldn’t find anything in the archives.  

Thanks in advance for your help.

Gary Hoover

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