President Obama’s call in his State of the Union address for more funding for highways, transit and other infrastructure has launched what should be a rugged fight with congressional Republicans this year over public-works spending. Obama and his Democratic allies in Congress will push to Photo: Courtesy of The White House President Obama: Wants a six-year highway-transit bill jump-started with $50 billion and proposes an infrastructure bank to leverage private funds. Promises that all work will be “fully paid for” but didn’t say how. Continues to support high-speed-rail lines spread around the U.S., with a goal of high-speed service available
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.