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Status: Superseded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

22. The expert of ETRTO tabled proposals for a new Supplement to the 04 series of amendments with the aim to introduce editorial corrections and the new C3 reference test tyres (ECE/TRANS/WP.29/GRBP/2024/4, ECE/TRANS/WP.29/GRBP/2024/6, GRBP-79-21). The experts from France and Japan commented on the proposals (GRBP-79-50 and GRBP-79-07). GRBP adopted the proposals in ECE/TRANS/WP.29/GRBP/2024/4 as amended by GRBP-79-50 and in ECE/TRANS/WP.29/GRBP/2024/6 as amended by GRBP-79-21, and requested the secretariat to submit them for consideration and vote at the June 2024 sessions of WP.29 and AC.1 as part of draft Supplement 2 to the 04 series of amendments to UN Regulation No. 117.

7. (f) | Tyre abrasion
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.

Related and Previous Documents
GRBP-78-05
GRBP/2023/19
GRBP-79-50
WP.29/2024/65
Relates to UN R117 |