RSoxN1, if you have reviewed my past post, you'll notice where the above image first came from. (Though without the colors) You will also see that I don't speak often to projects without making sure the information I am giving is accurate at the time.
Folks are always welcome to be skeptical, so much is said that is just wishing or "talk" that never goes beyond just that.
As for who I am or my sources, I'll just let my past speak for itself. Sorry, but the few here who do know me personally understand why.
As for it being done, It might not be a new attraction as many on the boards would like but the need is there for the average guest. I personally would love a new attraction (give it time folks, they are coming) but TSM could use the 3rd track.
As for design, the set up is to have the 3rd track as the FP+ queue, with it's own load/unload. (The load/unload information is still a little vague for me. Just being honest)