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Abstract:This report is based on research of the Texas Transportation Institute done in connection with the study, "Application of the AASHO Road Test Results to Texas Conditions," sponsored by the Texas Highway Department in cooperation with the U. S. Department of Commerce, Bureau of Public Roads. The report is concerned primarily with two of the original study objectives which are quoted below: 1. "In general, to correlate the average level of pavement performance determined from a two-year controlled traffic test (the AASHO Road Test) with performance of Texas Pavements under normal mixed traffic, and to study the effect of weather and the so-called regional effect throughout the state. 2. "For flexible pavements in Texas, to determine approximate values (or a range of values) of coefficients for representing Texas materials to replace the layer coefficients determined at the AASHO Road Test for the materials used there, and to develop relationships between these coefficients and materials tests."
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