The failure of the world’s largest engineered slope a year ago at Charleston’s Yeager Airport has generated widespread speculation from the international engineering community because of the scale of construction and the numerous prizes for design the project had garnered, says Chrys Steiakakis, a geotechnical engineer at Geosysta Ltd., Attiki, Greece.
Three international construction teams have been identified to build what will be the world’s longest road-rail immersed-tube tunnel, linking Denmark and Germany.
After more than ten years, four mayors, $200 million, and a plethora of planning, construction and testing issues, the first segment of Washington, D.C.’s self-funded streetcar line became operational on Feb. 27.
The Federal Aviation Administration has asked an outside committee to propose eased rules for commercial flights of small drones in urban areas and over people not involved in flight operations.
With the $305-billion Fixing America’s Surface Transportation Act on the books for nearly three months, the focus now has shifted to moving the five-year measure’s 2016 funding out to the states and turned into construction contracts.
Signed into law in December, the Fixing America’s Surface Transportation (FAST) Act finally brings some predictability to funding surface transportation infrastructure, plus a modest increase in funding.
Regenerative braking is widely used in electric and hybrid cars, but its first commercial use in an urban transit system is only now being built in the Philadelphia area.
An array of factors, ranging from difficult terrain to political unrest, challenge contractors trying to build in the Himalayas and other difficult-to-reach locations.