GAR

GRBP may wish to consider a proposal which was tabled the experts from the European Tyre and Rim Technical Organisation (ETRTO).

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 amendment proposals that were prepared by IWG WGWT with the aim to introduce a procedure and thresholds on wet grip performance for C1 tyres in worn state.

Documentation

GRBP-74-04 UN R117: Proposal for amendments to the 02 series of amendments (France)

GRBP-74-12 IWG MU (Measurement Uncertainties): Terms of Reference

GRBP-74-31/Rev.1 UN R117: Proposal for amendments to the 02 series of amendments (ETRTO)

GRBP-74-33/Rev.1 UN R117: Proposal for amendments

GRBP-74-41 IWG WGWT: Status report

GRBP-74-42 IWG WGWT: Proposal for revised Terms of Reference

GRBP/2021/12 UN R117: Proposal for amendments

GRBP/2021/17 UN R117: Proposal for a Supplement to the 02 series of amendments (ETRTO)

Reference Number:	GRBP-74-04
Submitted by:	France
Meeting Session(s):	74th GRBP session (15-17 Sep 2021)
Document date:	24 Aug 21
Document status:	Superseded
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
View full document file for more information

Reference Number:	GRBP-74-12
Meeting Session(s):	74th GRBP session (15-17 Sep 2021) and 13th TFMU session (13 Jul 2021)
Document date:	31 Aug 21
Regarding:	UN R51 Vehicle Noise \| UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
View full document file for more information

Reference Number:	GRBP-74-31/Rev.1
Submitted by:	ETRTO
Meeting Session(s):	74th GRBP session (15-17 Sep 2021)
Document date:	17 Sep 21
Document status:	Superseded
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
View full document file for more information

Reference Number:	GRBP-74-33/Rev.1
Meeting Session(s):	74th GRBP session (15-17 Sep 2021)
Document date:	17 Sep 21
Document status:	Superseded
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
View full document file for more information

Reference Number:	GRBP-74-41
Meeting Session(s):	74th GRBP session (15-17 Sep 2021)
Document date:	15 Sep 21
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
View full document file for more information

Reference Number:	GRBP-74-42
Meeting Session(s):	74th GRBP session (15-17 Sep 2021)
Document date:	15 Sep 21
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
View full document file for more information

Reference Number:	GRBP/2021/12
Meeting Session(s):	74th GRBP session (15-17 Sep 2021)
Document date:	30 Jun 21
Document status:	Superseded
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
View full document file for more information

Reference Number:	GRBP/2021/17
Submitted by:	ETRTO
Meeting Session(s):	74th GRBP session (15-17 Sep 2021)
Document date:	05 Jul 21
Document status:	Superseded
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
View full document file for more information

Reference Number:	SIGTP-06-10/Rev.2
Submitted by:	EC
Meeting Session(s):	6th SIGTP session (19 Nov)
Document date:	22 Nov 24
Regarding:	UN R100 Electric Powertrain Vehicles

Reference Number:	SIGTP-06-14/Rev.2
Meeting Session(s):	6th SIGTP session (19 Nov)
Document date:	22 Nov 24
Regarding:	UN R100 Electric Powertrain Vehicles

Reference Number:	SIGTP-06-13/Rev.1
Meeting Session(s):	6th SIGTP session (19 Nov)
Document date:	22 Nov 24
Regarding:	UN R100 Electric Powertrain Vehicles

Reference Number:	DDADWS-02-05
Meeting Session(s):	2nd DDADWS session (19 Nov)
Document date:	22 Nov 24
Regarding:	ADDWS \| DDAWS