GT Tri-light signal         
Tri-light signals are an endangered species on the GTW, but the Holly Sub still features a bunch of these things along the line between Pontiac and Detroit.
Date: 6/25/2005 Location: Royal Oak, MI Views: 353 Collection Of:   Gregg Pullano
Author:  Gregg Pullano
GT Tri-light signal
Picture Categories: This picture is part of album:  The Great Train Robbery
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