Related Links: Judge Blocks California High Speed Rail Bond Sale (enr.com 12/3/2013) [subscription] California High-Speed Rail Moves Forward, Slowly (ENR 5/6/2013 issue) [subscription] A key financial deadline is looming for California's $68-billion high-speed-rail project. The California High-Speed Rail Authority is due to make a $63-million matching payment on April 1. But a 2013 Superior Court ruling has blocked the state, at least for now, from using its preferred source: selling bonds that voters approved in 2008's Proposition 1A. The state and federal government are sharing the project's cost.On Capitol Hill, House railroads subcommittee Chairman Jeff Denham (R-Calif.) introduced a bill
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.