Transportation Secretary Ray LaHood says the Obama administration will propose a remedy for the projected shortfall in the Highway Trust Fund by mid-August, but adds that the White House wants any revenue infusion to the fund to be "paid for," or offset. He also expressed confidence that the problem will be resolved. "It's going to get fixed," he says. Key Senators have said DOT and Office of Management and Budget officials told Democratic congressional staffers the trust fund will need an injection of $5 billion to $7 billion by August or federal highway payments to state DOTs will have to
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.