Indeed, the 1950s saw the beginning of some ambitious projects. One in particular was the US Interstate Highway System, launched in 1956 under president Eisenho

Indeed, the 1950s saw the beginning of some ambitious projects. One in particular was the US Interstate Highway System, launched in 1956 under president Eisenhower. It wasn't completed until 36 years later in 1992. The system cost $114 billion, equivalent to $521 billion in 2018. https://en.wikipedia.org/wiki/Interstate_Highway_System https://en.wikipedia.org/wiki/Interstate_Highway_System