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Working Party on Noise and Tyres
Session 70
11-13 Sep 2019 | Geneva

The deadline for the submission of formal documents for this session is 17 June 2019.

Agenda Item 6. (d) UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)
Documentation
Annotations
GRBP-70-22 Snow tyres provisions: status report
GRBP-70-23 Status report of the Worn Tyres informal group
GRBP-70-23 Status report of the Worn Tyres informal group
GRBP-70-23 Status report of the Worn Tyres informal group
GRBP/2019/14 UN R117: Proposal for a Supplement to the 02 series of amendments
GRBP-70-25 Tyre performance study: noise vs. other performance
GRBP-70-21/Rev.2 UN R117: Modification to document GRBP/2019/19

GRBP is invited to consider a proposal submitted by the group of interested experts on snow tyre provisions.

GRB-68-12 UN R117: Comments on the Supplement proposal GRVA/2018/5
GRB/2018/5 Annotated provisional agenda for the 68th GRB session
GRB/2018/5/Add.1 GRB-68: Addendum to the annotated provisional agenda
GRBP-70-23 Status report of the Worn Tyres informal group
GRBP/2019/19 UN R117: Proposal for an amendment
GRBP-70-25 Tyre performance study: noise vs. other performance
GRBP-70-21/Rev.2 UN R117: Modification to document GRBP/2019/19

GRBP will recall that, at its previous session, the expert from ETRTO requested a postponement of consideration of ECE/TRANS/WP.29/GRVA/2018/5 and GRB-68-12. GRBP is invited to resume the discussion and to address a complementary proposal by the experts of ETRTO (ECE/TRANS/WP.29/GRBP/2019/19).

GRBP-70-03 Revised Terms of Reference of the Working Group on Worn Tyres (WGWT)
GRBP-70-23 Status report of the Worn Tyres informal group
GRBP-70-25 Tyre performance study: noise vs. other performance
GRBP-70-21/Rev.2 UN R117: Modification to document GRBP/2019/19

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

GRBP-70-20 Wet grip test method improvement for C1 tyres
GRBP-70-23 Status report of the Worn Tyres informal group
GRBP-70-25 Tyre performance study: noise vs. other performance
GRBP-70-21/Rev.2 UN R117: Modification to document GRBP/2019/19

[ETRTO presentation on ISO and tyre industry work to improve wet-grip test methods for passenger car (C1) tyres.]

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