[IamConservative]

Bit of a tangent, but these license plate readers are everywhere, literally since they are affixed to patrol cars. License plates use reflective paint much like lane markers. I've read that you can coat your license plate with a clear coat of flat enamel and foil the reader. Looks the same to the naked eye.

One of the various types of car mounted readers below. You will also see them mounted to fixed positions on street corners in urban areas.

[SECURE AMERICA]

I’ve read that you can coat your license plate with a clear coat of flat enamel and foil the reader. Looks the same to the naked eye

Same principle as the red light cameras. Several companies sell plate cover that allow human eye viewing of the plate but block photo / mechanical reading of it.