This report presents data showing the effect that pavement surface has on the generation of truck tire noise. Three different tread designs-rib, crossbar and pocket-were tested at speeds of 40, 50 and 60 mph (64.4, 80.5 and 96.5 km/hr) while coasting on eight different pavement surfaces at the Texas Transportation 19. Security Classif. (of this report) Unclassified 20. Security Classif.
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