As a Highway Trust Fund shortfall looms within weeks, Senate Finance Committee Chairman Max Baucus (D-Mont.) has proposed a remedy. Baucus introduced a bill on July 20 to inject $26.8 billion of new revenue into the trust fund. Of that total, $22 billion would go to the fund’s highway account and $4.8 billion to its transit account. Dept. of Transportation Secretary Ray LaHood has said the highway account needs a $20-billion infusion over the next 18 months, or DOT would have to slow reimbursements to states for highway-construction spending commitments they incur. LaHood has said the gap will start 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.