Originally Posted by
davie355
IAD (Washington Dulles) has these gates. You scan your boarding pass inside the terminal, as with any normal airport gate, but when you walk toward the tarmac, an employee checks your boarding pass a second time, and directs you to your A-B-C-D section.
I was going to post about these. I was in that area a few years ago and one of the gates was boarding Charleston, SC and Charleston, WV from the same gate. What could go wrong!?