I read an article about it in the Globe a couple of years ago, when they started doing it.
They take a picture of your license plate when you enter the garage, so it's associated with your ticket. And every night, they drive around and check the plates in all the spaces that might be newly-filled — that is, parking spaces that were previously empty, or whose previous occupant left in the past day.
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How it works
Date: 2006-09-08 01:20 pm (UTC)They take a picture of your license plate when you enter the garage, so it's associated with your ticket. And every night, they drive around and check the plates in all the spaces that might be newly-filled — that is, parking spaces that were previously empty, or whose previous occupant left in the past day.