AASHTO elects 2022-2023 president, vice president
November 3rd, 2022
The board of directors of the American Association of State Highway and Transportation Officials has elected Roger Millar, secretary of the Washington State Department of Transportation, as its 2022-2023 president during its 2022 Annual Meeting in Orlando. The board also elected Paul Ajegba, director of the Michigan Department of Transportation, as its 2022-2023 vice president. […]
AASHTO updates subsurface investigations guide
October 10th, 2022
The American Association of State Highway and Transportation Officials recently published Manual on Subsurface Investigations, 2nd Edition, which supersedes the first edition issued in 1988. Above graphic courtesy of AASHTO. This manual describes the elements, considerations, investigation tools and techniques, and reporting requirements for geotechnical subsurface investigations for transportation facilities. This second edition features updates addressing advancements […]
TSMO award winners announced
October 4th, 2022
The National Operations Center for Excellence (NOCoE) has named the winners of its 2022 Transportation Systems Management and Operations or TSMO Awards. This annual contest celebrates TSMO strategies and tools that leverage existing infrastructure to increase safety and reliability. Each year, NOCoE also develops case studies for each winning entry as well as for many of the other […]
Steel bridge industry award established
September 19th, 2022
The Steel Bridge Task Force has established the Alexander D. Wilson Memorial Award to recognize individuals who have made significant industry contributions to the steel bridge industry. Dean Krouse, a Pennsylvania-based metallurgical consultant and Bethlehem Steel Company veteran, is the first winner of this annual award. Dean Krouse (left) receives the inaugural Alexander D. Wilson Memorial Award […]
America’s Transportation Awards finalists announced
September 16th, 2022
The American Association of State Highway and Transportation Officials recently revealed the Top 12 finalists in the 2022 America’s Transportation Awards competition. State department of transportation projects in California, Illinois, Iowa, Minnesota, New Jersey, New York, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and Washington State earned the highest number of points in four regional contests held earlier […]
AASHTO issues materials standards maintenance guides
September 1st, 2022
The American Association of State Highway and Transportation Officials (AASHTO) has released the 42nd edition of its “Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and AASHTO Provisional Standards,” commonly referred to as the “Materials Standards” publication. Developed by the organization’s Committee on Materials and Pavements, the guide contains specifications, recommended practices, test methods, […]
GMA history, Part 2
June 1st, 2020
During the Geosynthetics CASE STUDIES Conference in March in North Charleston, S.C., a few of the past Geosynthetic Materials Association (GMA) leaders had an opportunity to address the gathering and recall their personal experiences and achievements when they chaired the GMA executive council. This is the second installment of the history of GMA. Beginning in […]
GMA history and happenings
April 1st, 2020
By Andrew Aho Throughout the history of geosynthetics, leaders have emerged who have significantly affected the growth of the industry in North America. During the Geosynthetics CASE STUDIES Conference in March in North Charleston, S.C., a few of the Geosynthetic Materials Association (GMA) leaders had an opportunity to address the gathering and recall their personal […]
GMA happenings
February 1st, 2020
Letter from the chair As I sat down to write this update of all the great things GMA has been doing, my computer screen interrupted me with an email, and now I type with a heavy heart as the email announced the passing of Robert M. Koerner. I had the privilege of knowing Bob for […]
Using geosynthetics in flexible airport pavements
June 1st, 2019
By Benjamin Mahaffay, Jeremy Robinson, Jeffrey Gagnon and Gregory Norwood FIGURE 1 Post-test excavated cross section In recent years, there has been an increasing interest to improve pavement structures through mechanical stabilization by incorporating geosynthetic products within the structure. The Geosynthetic Materials Association (GMA) has identified eight categories of commercially available geosynthetics: geotextiles, geogrids, geonets, […]