ALPRs are usually on regular cars, which have regular people driving them around. You don't see them and they're paid to drive around all day. They're contracte

ALPRs are usually on regular cars, which have regular people driving them around. You don't see them and they're paid to drive around all day. They're contracted like Uber. Cop cars also have them, and so do parking enforcement, etc. They're generally not fixed locations.