The Federal Railroad Administration is aiming to pick up the pace in dispersing to states more of its initial $8-billion round of high-speed-rail funds. At the same time, FRA plans to move quickly to select winners of another $2.3-billion batch of rail money. FRA Administrator Joseph Szabo told reporters on Aug. 20 that, for round one, his agency so far has obligated about $585 million for 13 projects. He says the grant agreements “are very near completion” for seven additional projects totaling $209 million. Another seven projects, valued at $120 million, are waiting in the wings. All that still leave
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.