The question, again, is why is there such a big difference in the cost? What are taxpayers and consumers of this infrastructure getting in exchange for these higher costs? That is, what's the opportunity cost? Even if it's a cultural opportunity cost, knowing that is party of assessing if it's really worth it.
The issue is in the absence of effective controls on corruption, it's in the self-interest of those holding the reigns to buy a $3 billion tunnel for $12 billion if the latter nets them $10 million in "campaign contributions"
I find it hard to believe U.S. unions and insurance are more expensive than their equivalents in other countries, but maybe - seeing as health insurance is universal everywhere except in the U.S.
