"For some time there have been signs that the overall quality and skill of our workforce is declining, and with it the quality of our infrastructure."
..
"A decade ago I interviewed David Gunn, then head of Amtrak. Gunn is a railroad man’s railroad man, and had won fame for turning around New York City transit and then the London Underground. He said this country wasn’t ready for high-speed rail because we didn’t have the workers to build or maintain it. "
For Infrastructure’s Sake, America Needs Skilled Workers
The United States lags behind other countries when it comes to sophisticated infrastructure in part because it lacks the workers to build or maintain it.