What's a vanity license plate? How many are on the road in Arizona?

Valley 101 show

Summary: When you're on the road, odds are you'll see plenty of our standard Arizona license plates. You know, the ones with a purple saguaro and mountain under a blue and yellow sky. But you'll also see a fair number of plates that look different.  Valley 101 listener Harold Lohner noticed this too. He asked why Arizona cars have so many vanity license plates? Is it more than other In this week's episode of Valley 101, a podcast from The Arizona Republic and azcentral.com, we're diving in the trend of vanity license plates in Arizona.