The New Hampshire Department of Transportation (NHDOT) has announced the two companies that will be responsible for a design/build intelligent transportation systems (ITS) project along the Frederick E Everett Turnpike (Central New Hampshire Turnpike).   Tilson, a Portland, Maine-based information technology professional services and network deployment company, has been awarded a US$4.2m contract for the … Read more

Purdue University’s Lyles College of Civil Engineering researchers employ new set of sensors to determine bridge weight-limit accuracy


A team of research technicians from the Bowen Laboratory at Purdue University’s Lyles College of Civil Engineering recently employed a sensor system developed by the Bridge Engineering Center at Iowa State University on the CR 250 E bridge in Lebanon, Ind., for a load bearing test that could determine whether the 77-year-old structure’s 12-ton weight … Read more

The price of Seattle light-rail project on I-90 bridge goes up


The cost to build light rail on I-90 in Washington between Seattle and Bellevue has zoomed $225 million higher than Sound Transit once estimated, now that final engineering work has revealed the challenge of retrofitting the roadway. Transit-board members voted unanimously to approve a contract increase Thursday afternoon with construction group Kiewit-Hoffman. The vote raises … Read more

NCDOT plans to eliminate some rail crossings in order to improve safety and mobility


The department is planning to either build bridges over or tunnels under seven railroad crossings to improve safety and mobility The North Carolina Department of Transportation (NCDOT) has unveiled plans to eliminate seven railroad crossings in the next few years.   Locomotives barreling across roadways often cause commuter back-ups and wrecks, which has become a … Read more

Flyover bridge opening to signal first completed phase of Centennial Bowl project in Las Vegas


Construction is expected to wrap up by July 4 on the current phase of the Centennial Bowl project in northwest Las Vegas, and state officials have started looking ahead to two additional jobs aimed at completing Nevada’s second-busiest freeway interchange as soon as 2022. The Nevada Department of Transportation’s (NDOT) board of directors on Monday … Read more

Transportation report nearly 7 million drivers will shift to Autonomous Vehicles in major U.S. cities


A study by transportation, economics and urban planning experts has found that ridesharing and ridesourcing services using autonomous vehicles (AV) could shift millions of drivers away from personal cars in major U.S. cities. “Driverless Future: A Policy Roadmap for City Leaders,” the study prepared by Arcadis, HR&A Advisors and Sam Schwartz Consulting, shows that the … Read more

Genie moving toward bridge inspection sector with SX-135 XC self-propelled telescopic boom

The record-setting outreach and high capacity on the boom are among some of the features that will enable Genie to become a presence in bridge inspection. Genie, a Terex brand known for its aerial lifts, showcased its SX-135 XC self-propelled telescopic boom on Wednesday at ConExpo-Con/Agg 2017 as it announced plans to bring its equipment into the … Read more

Case goes all in with a run of new products

Roads & Bridges visited the massive Case Construction Equipment footprint in the North Hall, following the Infrastructure Insider live event with our own Editorial Director Bill Wilson, to find out what the company has coming down the pike and what it has recently launched.   Here’s what we learned:   For openers, Case unveiled its … Read more

Geoweb Slope protection system

Challenging erosion control problems on road embankments can be eliminated with the Geoweb slope protection system. The 3-D Geoweb geocell structure confines and reinforces the upper soil layer, inhibiting erosion and offering deep earth solutions. The system supports sustainable vegetation as well as rock and concrete infill for permeable and hard-armored slopes. Contact Presto for … Read more

Washington State River Bridge Collapse Could Echo Far Beyond Interstate

MOUNT VERNON, Wash. — The partial collapse here on Thursday night of a heavily used river bridge on Interstate 5 caused no deaths, but as the long holiday weekend began it underscored the vulnerability of a transportation system that hinges not just on high-profile water crossings and tunnels, but on thousands of ordinary and unremarked … Read more