And that's a conservative estimate, writes Brookings economist Clifford Winston.
The failure is especially clear when compared to spending by Europeans.
Dating back to the 1890s.
Faced with crumbling roads, a crack team of researchers proposed a bold rejiggering of asphalt.
Shells of wigwam hotels, drive-in theaters, and hokey gift shops.
And humans were just tiny little parasites, trying to hitch a ride.
Because of a glitch in the way that Google "builds" infrastructure of Earth, a number of highways look like they are melting and twisting.
What happens when government agencies least prepared to provide assistance wind up as the first responders?
Cities around the world are reinventing the highway with things like de-icing pavements, color-changing paint and wind-powered street lights.
Letting companies monitor how and how much you drive will save you money, and generate huge spillover benefits.
Some unsolicited thoughts for the president as he replaces Ray LaHood.
High-tech high-occupancy tolls come to the nation's capital. Is this the future of highway infrastructure?
Compare every corner of Connecticut, from 1934 to today.
Guess what kinds of projects the American Association of State Highway and Transportation Officials decided to honor this year?
"Stop with the driving / already. It's a freaking / mile-high cloud of dust."
Texas bets drivers will pay more than $5 to drive 5 mph faster between San Antonio and Austin.
Officials planned to use toll revenue, but a court ruled the fees illegal. This leaves the cash-strapped government in a lurch.
Plans are emerging for an electric-powered truck highway in the ports of L.A. and Long Beach.
A look at five more city-infringing freeways targeted for much-needed demolition.