The Texas Department of Transportation today announced that it has effectively pulled the plug on its ambitious and widely publicized Trans-Texas Corridor, a comprehensive transportation plan introduced by TxDOT and Texas Gov. Rick Perry (R) in 2002. What was once envisioned as 4,000 miles of existing and new highways, railways and utility rights-of-way now will be attempted in smaller segments. Photo: TxDOT The vision that was: A rendering of the project formerly known as the Trans-Texas Corridor. Photo: TxDOT Amadeo Saenz, Jr., executive director of the Texas Department of Transportation. Major contracting consortiums had lined up to build the first
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.