Document Title IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of Reference
Reference Number GRBP-82-32
Date
2 Sep 2025
Rulemaking Area(s) UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
Meeting(s)
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Excerpts from session reports related to this document
GRBP | Session 82 | 3-5 Sep 2025

12. GRBP received a status report of the Informal Working Group on Wet Grip Performance of Tyres in Worn State (IWG WGWT) (GRBP-82-31) and agreed to extend its mandate for one year until December 2028 (GRBP-82-32).