FHWA accepting grant applications for advanced transportation technologies

April 23, 2018

The U.S. Department of Transportation’s Federal Highway Administration (FHWA) announced April 18, 2018, it is accepting applications for grants from a pool of up to $60 million in federal funding under the 2015 Fixing America’s Surface Transportation (FAST) Act. The grants will be made to eligible entities to develop model deployment sites for large-scale installation …

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Pioneer Mountains Scenic Byway frost heave prevention and results

April 1, 2016

Abstract The Pioneer Mountains Scenic Byway, located about 30 miles (48km) west of Dillon, Mont., seasonally experiences frost heave problems over a 20-mile (30-km) stretch of road. The road is closed to winter traffic and typically re-opens in May. Longitudinal full-section depth cracks form during the spring thaw. One location, in the high alpine meadows …

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GRS-IBS Makes Quick Work of Bridge Replacement

September 9, 2015

When flooding forced the closure of the Jessup Mill Road Bridge over Edward’s Run in Mantua Township, New Jersey, county officials turned to a quick but effective solution to reopen the vital community link: geosynthetic reinforced soil–integrated bridge system technology. “We had observed the use of innovative bridge construction methods in other states that reduce …

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Geosynthetics facilitate construction of 10,000-ton tunnel in two weeks

April 1, 2015

Construction of the new Nowolazurowa Street tunnel in western Warsaw, Poland. By Jakub Bryk Introduction Nowolazurowa is a new road in the western part of Warsaw, Poland, built to connect burgeoning suburbs with the highway ring road S8. It was designed as a two-roadway, dual-lane artery with sidewalks and bicycle lanes. The section described in …

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Building better bridges with geosynthetics

May 2, 2014

By Scott Gordon As the road leading up to a bridge presses down on the soil beneath its surface, the bridge tends to remain higher than the roadway, creating a problem that has menaced drivers and road engineers for years. “It’s called the bump at the end of the bridge,” says University of Wisconsin Associate …

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Montana DOT rebuilds an old bridge with a new system

April 1, 2014

Using geosynthetic reinforced soil, this two-lane project was completed faster with lower costs By Craig Abernathy Objective The structure built at the South Fork Dry Fork Marias River crossing was selected for a new technology tested in other states and was proven to work. The new bridge—also designed as a grizzly bear undercrossing—was built with …

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Geosynthetics in new transportation applications

Geosynthetic materials can decrease project costs and time while improving performance and stability. By Timothy D. Stark and David Paiko Introduction Geosynthetics are useful and versatile materials that have found a range of applications in transportation projects (Berg and Suits, 2000). Geosynthetic materials can decrease project costs and project time; increase design life, stability, and …

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DOT: $600 million for transportation

The DOT allocates funds for important transportation projects The U.S. Department of Transportation (DOT) has announced that $600 million will be made available to fund transportation projects across the country under a sixth round of the DOT’s Transportation Investment Generating Economic Recovery (TIGER) grant program. The 2014 TIGER grant program will place an emphasis on …

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Planes, trains, and geofoam

October 11, 2013

EPS geofoam fills void for Chicago metro airport and train station Expanded polystyrene (EPS) geofoam has been used in several recent Windy City construction projects, among them, Millennium Park, Soldier’s Field and, most recently, the Gary Chicago International Airport roadway expansion and the Metra 35th Street train station adjacent to the White Sox U.S. Cellular …

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Dominican Republic farm road improved with new retaining walls

June 1, 2013

Geogrid reinforcement improves access. By Ángel Conde Introduction The 25-km dirt road from Jarabacoa to Constanza in the mountainous central region of the Dominican Republic has long been a lifeline for local farmers transporting their bananas, vegetables, strawberries, coffee, and flowers. But the road suffered from landslides, severe erosion, and uneven surfaces, which slowed the …