Claim: "In 1960, we spent more than 3 percent of our GDP on infrastructure projects like the Interstate Highway. Today we spend less than 1 percent of our GDP on these vital investments."
Fact-check: Connolly says U.S. road spending, based on GDP, is one-third of 1960 level 
Verdict: half-true
Organisation: PolitiFact
Author: Sean Gorman
Date published: 2015-08-03T00:00:00