本推荐规程适用于轮胎和轮辋协会（TRA）定义的主要用于卡车和公共汽车正常公路服务的充气轮胎滚动阻力的实验室测量；不包括轻型卡车轮胎（指定为LT）。本程序仅适用于稳态运行下的直行自由滚动轮胎，包括以下三种基本方法:

This recommended practice applies to the laboratory measurement of the rolling resistance of pneumatic tires designed primarily for use on trucks and buses in normal highway service, as defined by the Tire and Rim Association, Inc. (TRA); it does not include light truck tires (designated LT). The procedure applies only to straight, free-rolling tires under steady-state operation and includes the following three basic methods: