The FHWA’s Office of Infrastructure Research and Development administers the nation’s Long Term Pavement Performance (LTPP) program in cooperation with the American Association of State Highway and Transportation Officials (AASHTO), the National Academy of Science, and the State Highway Agencies.
The primary goal of the LTPP program is to extend pavement life at a reasonable cost.
IRD was selected as the Phase II contractor to supply, install, and maintain a number of research quality traffic and weigh-in-motion data collection sites across Canada and the USA. Under the contract, IRD assesses the suitability of proposed sites, develops the installation plan, including the selection of the WIM System, and calibrates, operates, and verifies the performance of the WIM systems.
Case Study: LTPP (Long-Term Pavement Performance) (pdf - 316.43 KB)
For more information on LTPP, visit the U.S. Department of Transportation's Federal Highway Administration website:
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