> existing real estate and infrastructure would have to be bulldozed,
You mean like they've done with every beltway and interstate? They claim eminent domain, take whatever strip of land they need from you, and bulldoze anything in it's path to build nice fancy exits full of the same features: a few hotels/motels, gas stations, couple of fast food chains, and, perhaps, if you are fancy enough, a strip mall with a Department store, Sporting Goods, and a fine dining establishment from one of America's most recognized brands: Bloomin' or Darden