It is NOT posted on every entry, it makes improper reference to the law, and if you are in a hurry it may not be real visible (I had to stand at an angle to make the pic work.)

After this Wright Amendment flap calms down, I will go on a new letter writing campaign. I figure, if nothing else, that the City of Dallas has pretty much acknowledged that the airport is city property, and that would make a good case for pre-emption.