Of course, politically, the Autonomous Community of Castilla-Leon would prefer to see Valladolid served first. I wouldn't be surprised if the connection between Burgos and the Basque Y takes a long while to be completed, especially if the PP is in the National government.
Valladolid would likely become a hub in any event, serving Madrid, Burgos-Vitoria, Galicia and Porto. "It's the statue, man, The Statue."
*Lunatic*, n. One whose delusions are out of fashion.