DC Railfanner wrote: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
Wayside wrote:DC Railfanner wrote: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
The extra signal head is there to allow for more aspects to be displayed at the location in question, such as a restricting, which is two reds over a bottom yellow.
But now that I actually click through to your link, I see you are asking something else. The signals you show are actually able to only have two lights burning at a time. The top three are red/yellow/green lights. The picture is actually of a location where it appears the signalmen are taking down the the two signals and their supporting signal bridge after having installed the two alongside the tracks.
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