What is the use of having single red lights at the very bottom of a set of signals. Being a CSX fan, this has always confused me as they don't have them. Thanks!
Example: http://www.railfanguides.us/sc/blacksburg/groverall.jpg" onclick="window.open(this.href);return false;
Example: http://www.railfanguides.us/sc/blacksburg/groverall.jpg" onclick="window.open(this.href);return false;
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