Over Three Decades of Leadership and Contribution: TTI’s University Transportation Centers FROM VOLUME 57, NUMBER 2 (2021) In 1987, the U.S. Congress authorized the U.S. Department of Transportation University Transportation Center (UTC) Program, establishing 10 federal regional UTCs across the country. The UTC Program was designed to improve transportation research in the United States by…
Shaking Up the System: Safe-D Looks at How Disruptive Technologies Can Improve Roadway Safety FROM VOLUME 57, NUMBER 2 (2021) Funded through the U.S. Department of Transportation’s University Transportation Center (UTC) Program, the Safety through Disruption (Safe-D) UTC is led by the Virginia Tech Transportation Institute (VTTI). In partnership with San Diego State University and…
TTI News FROM VOLUME 57, NUMBER 2 (2021) Kong Publishes Paper on Phone Usage and Distracted Driving TTI Graduate Research Assistant Xiaoqiang “Jack” Kong recently coauthored the research paper “Characterizing Phone Usage While Driving: Safety Impact from Road and Operational Perspectives Using Factor Analysis” published in Accident Analysis & Prevention. Kong’s Institute coauthors include Assistant Research…
Thinking Transportation Podcast FROM VOLUME 57, NUMBER 2 (2021) Download, listen, and subscribe wherever you get your podcasts. Every other week, we interview a TTI expert or special guest on a wide range of transportation topics and discuss how those topics impact the average person. Shaking Up the System Using disruptive technologies to create safer…
The Last Stop with Greg Winfree: National Strategies, Local Expertise — The Evolution of the UTC Program Benefits Everyone FROM VOLUME 57, NUMBER 2 (2021) When the Texas Highway Department formed in 1917, its engineers recognized the value of university-based facilities like those at the then-Agricultural and Mechanical College of Texas (later Texas A&M University)…
America’s Infrastructure Score* in 2021: C– FROM VOLUME 57, NUMBER 1 (2021) “It’s vital — especially now, in the wake of the COVID-19 pandemic, when our economy needs all the help it can get — that Congress pass a bill aimed at rebuilding our nation’s infrastructure. Doing so will create many new jobs and continue…
Just Scratching the Surface: Electrical Resistivity Tomography Offers Nondestructive Solution to Drilling, Trenching FROM VOLUME 57, NUMBER 1 (2021) With roadway construction projects such as bridge construction, time and money are both at a premium. Mistakes may not only set the timeline back but stretch already strained budgets as well. Electrical resistivity tomography (ERT) is…
Creative Strategies in Nondestructive Testing and Smart Coring Save Time, Resources FROM VOLUME 57, NUMBER 1 (2021) Tailoring construction and repair solutions to unique problems along a discrete part of the roadway — instead of applying a one-size-fits-all method — is gaining popularity as a pavement design/rehabilitation method for entire corridors. It’s just one innovation…
Recipe in the Making: The TxDOT Balanced Mix Design Project Is Developing a New System for Mix Design of Asphalt Mixtures FROM VOLUME 57, NUMBER 1 (2021) Using recycled materials on roadways has been standard procedure in construction for several decades. The challenge lies in having a practical mix design process — think of it…
IDEAL-CT — Simple, Reliable, Efficient, Repeatable, Cost Effective FROM VOLUME 57, NUMBER 1 (2021) State departments of transportation (DOTs) nationwide have long dealt with the problem of asphalt pavement cracking — the primary type of distress that creates the need for pavement rehabilitation. Many cracking tests have been developed, but no single test has been…
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