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Document Title UN R117: Proposal for a Supplement to the 04 series of amendments
Reference Number GRBP/2024/25
Date
2 Jul 2024
Summary Proposal to clarify that wet adhesion provisions apply to C1, C2, and C3 tyres, correct ISO and internal references, clarify symbols "ARC" and "ARR" relationships to indoor drum test method, and clarify application to M+S marked tyres.
Source(s) ETRTO
Rulemaking Area(s) UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
Proposal Status Formal GR review
Meeting(s)
Downloads
UNECE server .pdf format .docx format
GAR server
Excerpts from session reports related to this document
GRBP | Session 80 | 17-20 Sep 2024

27. The expert from ETRTO referred to their document with corrections to the 04 series of amendments to UN Regulation No. 117 (ECE/TRANS/WP.29/GRBP/2024/25) and requested to postpone its consideration, due to comments received from the experts of France, Netherlands and United Kingdom. GRBP agreed with this request and encouraged other experts to provide their comments as well.