Materials & Test Department
The Materials and Tests Division in Cookeville, TN, is a crucial department within the Tennessee Department of Transportation (TDOT) responsible for ensuring the quality and performance of materials used in the construction and maintenance of the state's highways. This division conducts field evaluations, laboratory tests, and data analysis to uphold ASTM, AASHTO, and departmental specifications, while also coordinating research projects and maintaining the Qualified Products List.
Under the leadership of Director Heather Purdy, P.E., the Materials and Tests Division provides technical expertise and support to TDOT by developing new specifications, offering geotechnical testing and consulting services, and providing technician training and certification. Their dedication to upholding standards and enhancing the highway network's quality makes them an integral part of Tennessee's transportation infrastructure.
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