Working Party on Noise and Tyres | Session 82 | 3-5 Sep
Geneva
Agenda Item 5. (a)
UN Regulation No. 117 (Tyre Rolling Resistance, Rolling Noise and Wet Grip)

GRBP will address amendment proposals on the test conditions for ice grip tyres that were submitted by the expert from Japan.

GRBP will be briefed on the activities of the Informal Working Group on Wet Grip Performance of Tyres in Worn State (IWG WGWT).

Documentation
GRBP/2025/26 UN R117: Proposal for Supplement 4 to the 04 series of amendments (Japan)