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The background information presented in this paper was collected for the opening presentation at the Third International Symposium on Nondestructive Testing of Pavements and Backcalculation of Moduli. The paper will be used to address three questions or topics which are: • Where are we? • Where are we going? • Thoughts about the future.
pavements, research and development (R&D)
Inger and Allan Osberg Professor of Civil and Environmental Engineering, University of Washington, Seattle, Washington