Megaprojects do come in near budget in many places. Not in the US for a number of reasons elucidated in this NYMag piece[0] by Josh Barro, whose takes I usually

Megaprojects do come in near budget in many places. Not in the US for a number of reasons elucidated in this NYMag piece[0] by Josh Barro, whose takes I usually find surprisingly persuasive. [0] http://nymag.com/intelligencer/2019/05/new-york-infrastructure-costs.html http://nymag.com/intelligencer/2019/05/new-york-infrastructu...