• Epa Etv Verified Technologies

Source: FHWA.Left: Gusset plate.Source: Photo by Michael Quinn / CC BY 2.0Right: Roundabout.Geosynthetic Reinforced Soil Integrated Bridge System (GRS-IBS) enables the construction of bridges made of closely spaced layers of geosynthetic textile and compacted granular fill material that blend the roadway into the superstructure. Findings include the following:. FHWA efforts fostered positive attitudes toward GRS-IBS and more market share during 2010-2015 than in 2005-2009. Internal disagreements, including between geotechs and hydrologists, led users to receive conflicting information. Deployers reported saving money (up to 66 percent) and time.

Epa Etv Verified Technologies

Presence of water and noncompetitive bidding drives costs. GRS-IBS possesses several attributes of a disruptive technology, including its value proposition, but growth potential is constrained by priorities and local geography.Recommendations include the following:. C how to program, eighth edition pdf. Make market research part of engineering research to improve pitching upcoming products to stakeholders.

Improve protocol concerning internal disagreements about FHWA technologies to ensure the public receives a uniform message.Gusset Plates join structural components in steel bridges and buildings. After part of the I-35W Bridge in Minneapolis collapsed in 2007, the National Transportation Safety Board (NTSB) investigators sought expertise from FHWA, which launched projects on inspection, quality assurance, and training. Source: Photo by Oregon DOT / CC BY 2.0Above: Traffic Incident Management.Recommendations include the following:.

Reach a wider audience (especially within FHWA Division Offices) and enhance the community of practice. Tailor future training courses to personnel without a natural resource background.Roundabouts attracted international interest as a safety countermeasure in the 1970s.

FHWA initiated domestic research of roundabout safety and design in the mid-1990s, later adding training and technical assistance. Findings include the following:. Early and continued FHWA research increased the quality and availability of domestic roundabout-related safety and performance information. FHWA efforts increased awareness and changed attitudes toward the roundabout as a safety countermeasure, contributing to an increase in U.S.