GAR | GRBP/2024/4

UN R117: Proposal for Supplement 2 to the 04 series of amendments

Document GRBP/2024/4

20 November 2023

Proposal to reduce noise measurement variability, completing the amendment proposal adopted at the seventy-eighth session of the Working Party on Noise and Tyres (informal document GRBP-78-05 replacing ECE/TRANS/WP.29/GRBP/2023/19).

Submitted by ETRTO

Status: Superseded

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Previous Documents, Discussions, and Outcomes

193rd WP.29 session (24-28 Jun)

4.9.3. | Proposal for Supplement 2 to the 04 series of amendments to UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

79th GRBP session (6-9 Feb)

7. (d) | UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

7. (f) | Tyre abrasion

78th GRBP session (30 Aug-1 Sep 2023)

7. (c) | UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

23. The expert from IWG MU proposed measures to reduce variability (ECE/TRANS/WP.29/GRBP/2023/19 and GRBP-78-05). GRBP adopted the proposal, as laid down in GRBP-78-05, and requested the secretariat to submit it for consideration and vote at the June 2024 sessions of WP.29 and AC.1 as draft Supplement 2 to the 04 series of amendments to UN Regulation No. 117.

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

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