Have you ever seen a firetruck or ambulance change the stop light from red to green so that they can get to an emergency situation faster? Apparently, these devices are also being used by non-emergency personel like joe-motorist when they come to a stoplight as well [Who knew you could get these?]. Non-emergency use of these signal changing devices is now a federal crime, just in case you thought there weren't any other more important things to worry about in the domestic world right now. Here's the link to the story.