Portland seems to have embraced its airport code to an extent not equalled in any other city. Upon deplaning, passangers are greeted by signs proclaiming "Welcome to PDX." (The word portland is not even mentioned.) Hungry passengers can make their way to the PDX foodcourt for a snack, before heading to Powell's PDX for a book or magazine. Leaving the aiport, a large street sign says "Thank you for visiting PDX." (Once again, "portland" is suspiciously absent.)

Stranger still is the URL for Portland State University: www.pdx.edu.