Some areas that don't have an ordinance specific to road rage may have a department policy that allows a leo to initiate a stop in order to give the motorist a verbal warning about aggressive behavior. In those cases, once they have a car stopped, they'll probably be checking it over pretty good.
The good thing about having a hangover at work on a Friday is that by the time you feel halfway better, the day is almost over.
It's the poor man's version of a three day weekend.