California and Florida together have won nearly 70% of the $2.5 billion for high-speed rail that the U.S. Dept. of Transportation's awarded in its second round of funds for the new program. Related Links: DOT Sketches Plan For High-Speed Rail 'Excited' High-Speed Rail Builders Get Ready The awards, which DOT announced on Oct. 28, would help fund 54 projects in 23 states. The latest awards follow an initial, $8 billion in DOT high-speed-rail aid, whose winners were selected in January. The first-round money came from the 2009 American Recovery and Reinvestment Act. For the newly announced grants, DOT received 132
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.