IANAL, but AFAIK, that would be a violation of the Constitution for the United States. In fact, I think Governor Andrew Cuomo of New York threatened to sue anot

IANAL, but AFAIK, that would be a violation of the Constitution for the United States. In fact, I think Governor Andrew Cuomo of New York threatened to sue another governor (was it Rhode Island, Vermont, somewhere else?) for attempting to close their borders to cars with NY license plates.