Working Party on Noise and Tyres | Session 73 | 26-29 Jan 2021
Geneva
Agenda Item 5. (d)
UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

GRBP will consider two proposals tabled by the experts from ETRTO.

GRBP may resume discussion on the proposal submitted by the Group Of Interested Experts on snow tyre provisions (GOIE).

GRBP will be briefed on the activities of the IWG on Wet Grip Performance of Tyres in a Worn State (IWG WGWT) and will consider a proposal for its revised Terms of Reference, together with a complementary amendment submitted by the expert from EC.

Documentation
GRBP-72-02 Worn tyres: Proposal for working group terms of reference (EC)
GRBP-73-02 Proposal to amend the Worn Tyres informal working group Terms of Reference (EC)
GRBP-73-08 Proposal to amend the Worn Tyres working group terms of reference (ETRTO)
GRBP-73-11 ETRTO Tyre Performance Study (ETRTO)
GRBP-73-18 Status report of the Worn Tyres working group
GRBP-73-19 UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres (ETRTO)
GRBP-73-22 Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres (ETRTO)
GRBP-73-27/Rev.1 Working group on Worn Tyres: Proposal for revised terms of reference (EC, ETRTO, and France)
GRBP/2019/14 UN R117: Proposal for a Supplement to the 02 series of amendments
GRBP/2020/11 UN R117: Proposal for revised Terms of Reference of the IWG WGWT (Wet Grip Performance for Tyres in a Worn State)
GRBP/2020/16 UN R117: Proposal for amendment (ETRTO)
GRBP/2020/17 UN R117: Proposal for amendment (ETRTO)