Could it, though? California estimates the cost of SF to LA at $126 billion (and >20 years of construction time!); at that rate you'd have to spend $1T just to

Could it, though? California estimates the cost of SF to LA at $126 billion (and >20 years of construction time!); at that rate you'd have to spend $1T just to get a single cross-coast track. It is not obvious to me that the US's lack of high speed rail can be solved by money.