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The American Society of Civil Engineers' 2009 Report Card for America's Infrastructure notes that "one in four of the nation's bridges is either structurally deficient or functionally obsolete ... " and that "33% of America's major roads are in poor or mediocre condition ... .''...
Rural roads are critical links in the Nation's transportation system, providing travel and commerce for the approximately 60 million people living in rural America. About 80 percent of the Nation's roadway miles are rural. Many of these segments are experiencing traffic growth as...
The University Transportation Center for Alabama (UTCA) is conducting a 3-year pilot study to assess the impact of lap/shoulder seat belts on the safety of students in school buses. After a tragic school bus accident in Huntsville, Alabama, Governor Bob Riley appointed a seven...
The value of a Pavement Management System (PMS) and the planning and cost benefit tools it provides for decision making have long been recognized by those responsible for maintaining roadways. But to maximize the potential of a PMS, data revealing the history and condition of each...
Advances in weigh-in-motion systems and their expanding use allow increasing numbers of trucks to cruise past weigh stations, and their long lines, without even slowing down. But a shortcoming of these systems is that other truck data, including safety information, must still be...