The proposed $6-billion, DesertXpress high-speed passenger train project recently cleared its first major hurdle with the March 24 release of its final environmental impact statement. Circle Point, San Francisco, prepared the report on behalf of the Federal Railroad Administration. A record of decision is expected this spring. Photo: US DOT Fares would be $50 to ride the steel-wheel trains DesertXpress will follow the Interstate 15 alignment between Victorville, Calif. and Las Vegas, using existing right-of-way either along the median or roadside, and will build two passenger stations, a maintenance-storage-operation facility and three electrical substations. The project’s overhead catenary electric powered
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.