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Overview

To fully understand the information produced by a Traffic Speed Deflectometer (TSD), two sites have been established with embedded sensor arrays. These sensors measure the true motion of the pavement surface when heavy vehicles travel over the test sites. With the information gained from these test sites we were able to correlate new TSD data gathered with current data records using a falling weight deflectometer. Further test sites and research could provide some more insight into the correlation in other pavement types.

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