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If you live in California, you'll recognize the color scheme as an homage to that state's license plate from 1969 through 1981 (the blue background changed shade a bit in 1980).
As with all S4T templates, this one is created completely inside Premiere Pro's Title tool and is ready for your customization. The font is Arial for good cross-platform consistency, but you can probably find a font on your system that may resemble license plate lettering more to you.
Download the License Plate template here.