The faltering Highway Trust Fund has won a reprieve, with final congressional approval July 30 of a $7-billion infusion from the general fund. It is the second bailout for the fund in less than a year. But the relief only will keep the trust fund’s highway account solvent through Sept. 30 or perhaps a little beyond. After lawmakers return from their August break, they quickly must find still more money to shore up the fund past that date. Oberstar pushing a six-year bill. The short-term fix “will at least get us through the August recess and make sure that contractors
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.