Federal Motor Vehicle Safety Standards; Metric Conversion of Tire Standards

Résumé

This document revises selected Federal Motor Vehicle Safety Standards (FMVSS) on tires by converting English measurements specified in those standards to metric measurements. This is one of several rulemaking actions that NHTSA is undertaking to implement the Federal policy that the metric system of measurement is the preferred system of weights and measures for United States trade and commerce. The conversions are not intended to make any changes in the stringency of the affected FMVSS. A companion final rule published in today's Federal Register converts, from English measurements to metric measurements, selected FMVSSs that do not relate to tires. This document also includes a technical amendment to the standard on tire selection and rims for motor vehicles other than passenger cars so that tire information provided on labels may use abbreviations for units of weight (mass) measurement.