Myth Busters ran a few tests on those plates, and it didn't appear to help much, if any. I don't know if we can actually trust a show on the Discovery channel, but then again we don't really need to be running red lights/toll booths either.
But if you really serious about running a camera and not getting a ticket, carry a gun. Every time you see one of those camera buggers; roll down the window, lean out, take aim, and...
