Milestones in the physical construction projects required for its implementation are being completed. This is well documented:
http://www.google.com/search?hl=en&q=Texas+Corridor+NAU
Maybe someone from Tx can confirm for us if the concrete feels real or not.
Would that help with your reality issues?
The plans for or existence of a road does not make the NAU real. Sorry. Neither does a Google search.