TIL the most expensive Mega-Project ever was Eisenhower's Interstate Highway System, costing 500 billion dollars, spanning 48,181 miles, and dwarfing the cost of every other Mega-Project in history.


TIL the most expensive Mega-Project ever was Eisenhower's Interstate Highway System, costing 500 billion dollars, spanning 48,181 miles, and dwarfing the cost of every other Mega-Project in history. https://en.wikipedia.org/wiki/Interstate_Highway_System EddieisKing September 29, 2018 at 10:33PM

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