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UN R117: Proposal for a Supplement

Document GRB/2019/6

8 November 2018

69th GRB session (23-25 Jan 2019)

Proposal to introduce provisions for “worn tyre” thresholds and test procedures.

Submitted by France

Status: Superseded

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Previous Documents, Discussions, and Outcomes

69th GRB session (23-25 Jan 2019)

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

21. The expert of France proposed a wet adhesion requirement for C1 tyres in a worn state (ECE/TRANS/WP.29/GRB/2019/6 and GRB-69-08). The proposal received comments from ETRTO (GRB-69-10). GRB also noted a recent study on used tyres (GRB-69-09). GRB was of the view that this topic should be pursued in the framework of a new IWG and adopted its Terms of Reference (GRB-69-23), as reproduced in Annex V to the session report. Various experts expressed their willingness to contribute to the activities of the newly established IWG. The experts from France and the European Commission volunteered to act as Chair and Co-Chair, respectively, while ETRTO agreed to provide secretariat support.

Reference Number:	A-LCA-SG2-12-02
Submitted by:	CLEPA
Meeting Session(s):	12th A-LCA-SG2 session (25 Jul)
Document date:	25 Jul 24
Regarding:	LCA

Reference Number:	A-LCA-SG2-12-01
Meeting Session(s):	12th A-LCA-SG2 session (25 Jul)
Document date:	25 Jul 24
Regarding:	LCA

Reference Number:	TFCS-31-03
Submitted by:	FIA Foundation
Meeting Session(s):	31st TFCS session (2 Sep)
Document date:	23 Aug 24
Regarding:	UN R155 Cybersecurity \| UN R156 SW Updates

Reference Number:	TFCS-31-01/Rev.1
Meeting Session(s):	31st TFCS session (2 Sep)
Document date:	23 Aug 24
Regarding:	UN R155 Cybersecurity \| UN R156 SW Updates

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