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Analysis of performance ratings for tires
This study analyzed two sets of performance ratings for light-duty-vehicle tires. The aim was to ascertain whether some of the ratings in either set convey redundant information. The first set included the Uniform Tire Quality Grade (UTQG) ratings for 2,734 tires, published by the U.S. National...
Pavement surface specification for road load measurement
This report proposes a framework for specifying coast - down test surfaces that will produce relevant, reproducible road load measurements. The proposed specification includes grade, roughness, megatexture, and mac rotexture. Specification using standard scales in use by the pavement monitoring...