The government's biggest role in a project like this is its power of eminent domain, which would be used to force property owners to sell their property to the government in order to assemble the right-of-way needed for a high-speed rail line like this.
The infrastructure is mostly there along with the R/W buffers. Does it ever dawn on some people this whole thing could be built elevated over the existing R/W?
I was making a point about the upcoming election but am not polyannish about it happening overnight. There is a lot to be done to overcome the establishment and that is the key. Get it back into the hands of We the People and it will get done.