"...your high department cleans up the roadways..."
Oh no, CalTrans does not pick up highways; inmates from the state prisons, and sometimes county jails, often pick up littler, and of couse there is the adopt a highway thing, where folks go out and pick up. Then the stuff collected sits in those bright orange (they had now gone to orange and white) bags for weeks, waiting for CalTrans to come pick it up.
And as for potholes, just ask anyone who has driven in CA about the condition of the roads. They are reported to be among the worst in the nation, at least according to truckers and RV'ers...
But sometimes you can talk highway workers out of a couple of bags just by asking...
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OBG