The City of Redding is testing a new type of pedestrian signal head with a yellow outline in an attempt to reduce pedestrian conflicts with right turning vehicles.   See http://www.citylab.com/cityfixer/2015/12/will-this-new-type-of-crossing-signal-keep-pedestrians-safe/420279/?utm_source=SFTwitter for more information.    Please send a response post if you have direct experience with the trial or trials of other devices with a similar goal.   
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