Tangent: parts of Utah and Texas have speed limits of 80-85 mph. Their speed limit laws are also prima facie, which means you can get out of a speeding ticket

Tangent: parts of Utah and Texas have speed limits of 80-85 mph. Their speed limit laws are also prima facie, which means you can get out of a speeding ticket by proving your speed was "reasonable and prudent" even if it was in excess of the limit.