High-speed rail advocates celebrated the Jan. 28 award of grants from the $8-billion pot that is part of the American Recovery and Reinvestment Act, but officials must now figure out how to leverage the seed money into successful long-term programs. California and Florida, the anticipated big grant winners at $2.25 billion and $1.25 billion, respectively, are now pondering design-build and public-private partnerships along with other funding sources. + Image Image: U.S. DOT Florida, California and the Midwest all received big chunks of ARRA grants. The U.S. Dept. of Transportation was flooded with applications, receiving $57 billion in project funding proposals.
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.