![](https://infrastructureusa.org/wp-content/uploads/2014/04/beartooth-highway-mt-dangerous-w-300x300.jpg)
Driver’s view of wedge plow progress – with a shot over the edge.
View this complete post...John Hennessy III,
P.E.
The WVDOH hired GeoStabilization International to remove rocks along WV 99 where a rock slide occurred in Raleigh County. Airbags are wedged into cracks then inflated, which loosens the rock.
View this complete post...J- turns are located on 4-lane divided highways and prevent direct crossing and left-turn movements. These side road movements are made indirectly by making a right turn, traveling about a quarter-mile on the divided main road, and then making a U-turn to proceed in the opposite direction on the main road toward the intended destination. A J-turn reduces a significant number of the severe, right-angle, “far” side crashes. Relative to other improvement concepts, it is a low-cost treatment that can be quickly implemented, does not require property acquisition or relocation of homes and businesses, and minimizes environmental impact.
View this complete post...NORTHEAST CORRIDOR INFRASTRUCTURE AND OPERATIONS COMMISSION
The NEC Region is home to more than 51 million people and four of the ten largest metropolitan areas in the country. The NEC connects interdependent markets that collectively are a national and global force. Its economy is the fifth largest in the world, ahead of France and just behind Germany. The NEC Region is an international center for education, healthcare, technology, media, and finance, all industries widely expected to fuel economic growth in the 21st century. Research in this report finds that the NEC contributes to the productivity and livability of the Region in ways that increase the nation’s global competitiveness.
Blasting the cut for the new North Phoenix Road, part of the $72 million, I-5 Fern Valley Interchange project in Phoenix, Oregon. When complete in September 2016, it will feature Oregon’s first Diverging Diamond Interchange.
View this complete post...To reduce DC waste by 98 percent, the 20-year D.C. Clean River Project has a 1323-ton, 442-foot tubular machine digging a 23-foot-diameter concrete water tunnel.
DC Water named its massive tunnel boring machine Lady Bird, christened it with DC tap water, and prepared to send it underground to tunnel more than four miles.
-HugBig on YouTube
THE NATURE CONSERVANCY
As California considers how to adapt to a changing climate, planners often focus on defensive infrastructure with a negative habitat impact: bigger levees, rock walls to protect coastlines or even giant sea gates. But California can follow a different path. With natural or “green” infrastructure that leverages natural processes to reduce risk to human lives,property and businesses, the state can build resilience to the coming changes while restoring natural habitats instead of degrading them.
A group of recreational cyclists on an urban ride offers an opportunity to explore the capacity limitation of a two-lane arterial street. It is also fair to ask whether the striping of the street with bike lanes benefits primarily bicyclists or motorists, and whether these cyclists understand how to ride as safely and cooperatively as possible on such a street.
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