Ever since the proposal broke some months ago, I've been dreaming of this every time I take laps around the tarmac on the stupid 35X bus...one day, maybe one day...

Full MWAA presentation available here - linked within article posted above.

As an aside, the amount of passenger traffic at DCA is just insane these days. Thinking back to just how it felt maybe 5 years ago. Now even on random weekdays the concourses are just stuffed. And so much connecting traffic too. While I know that some folks don't like the idea of having all of the 2nd floor be secure, I think that having that much more real estate to spread people out across is going to be necessary. There just isn't enough space in the current secure areas.