United States of America
17 Jun 2014 US proposal for amendments to the draft GTR on Tyres (USA) GRRF-77-01 2014-06-17 Preliminary tests using the draft GTR procedures on tires in the US market have raised concerns that a wet traction index value requirement for "all-season tires" (as used in the US) will be needed since these tires fall outside the tire types addressed by the GTR. The US proposes language to address this situation. USA
20 Oct 2018 Status of US tire-related rulemakings (NHTSA and USA) TYREGTR-20-03 2018-10-20 NHTSA USA
11 Jun 2019 GTR 16: US feedback on extended mobility tyres proposal (NHTSA and USA) TYREGTR-24-04 2019-06-11 NHTSA suggestion to propose the introduction of updated UN R30 provisions into GTR 16 as a separate initiative in order to avoid delays in agreement on Amendment 2. NHTSA USA