These are just the ones I've seen while photographing the city [[I like to photo street scenes and have been since I was 16 or 17.) There were other signals around McGraw as well. I'm SURE I will see more and keep you folks updated.
Here is a link to one of my photos - you'll find a lot of traffic/street stuff in my Flickr. I just started my account abut 2 months ago and have been slowly adding stuff from the last 13 years.
http://www.flickr.com/photos/84790408@N06/8343202847/
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