Is it faster to renew my passport at a post office than mailing it in?

Question: I'm a little hesitant to mail my currently valid passport and would rather submit my paperwork and passport to the passport office directly.

Source: http://www.us-passport-service-guide.com/is-it-faster-to-renew-my-passport-at-a-post-office-than-mailing-it-in.html

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