Google alerts is a pretty great at highlighting new activities on the internet. I got a request based on the City of Eugene posting the following press release about their first ever bicycle signal.
I have been keeping track of the various bicycle signals we have whether they have the stencil or are merely exclusive bicycle signals and coded them in Google maps (you can follow the link below. There are a few that are in various stages of design/planning associated with some of the capital projects that the City is involved in that are color coded as described in the google map.
View Portland's Bicycle Signals in a larger map