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Transport i bezpieczeństwo · 21.04.2005

Consumer Information; Uniform Tire Quality Grading Standards

The Uniform Tire Quality Grading Standards (UTQGS) contain detailed testing procedures for generating consumer information about the treadwear, traction, and temperature resistance of passenger car tires. To ensure the uniformity of treadwear grades, the grading procedures specify a 400-mile test course located near San Angelo, Texas. Two or four-vehicle convoys equipped with candidate tires travel along this course to evaluate the tire treadwear performance. Because of flooding now affecting several water crossings along a small portion of the test course, NHTSA is issuing this interim final rule to revise the specified treadwear test course route. This change will not compromise the reliability of the treadwear grades, and will not impose or relax any substantive requirements or burdens on manufacturers.

Source: Federal Register — National Highway Traffic Safety AdministrationOpen original release →