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Typical NYS Signal Setup
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Here's a typical NYS signal setup. Unlike Ontario, NY seems to use the spanwires a lot even for permanently installed signals. Note the diagonal span which is almost never used in Ontario even for spanwire installs.
I'm not sure why but there are two different types of left turn heads in use here.Two sides use a inline 4 signal with a bimodal yellow/green arrow at the bottom identical to what Ontario uses and the other two sides use a doghouse head.
Signals appear to be TCT/Peek with Dialight LED modules.
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Most places use the standard poly 12-8-8 with cutaway visors and backboard with tunnel only used in skewed intersections but I know some places with mostly 12" heads and some with all tunnel visors. I think Windsor used to use 12" heads with no backboards. Oakville uses aluminium Econolight signals for some reason.