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Document Title UN R117: Proposal for Supplement 16 to the 02 series of amendments
Reference Number WP.29/2024/73
Date
9 Apr 2024
Summary Proposal to introduce a new temperature correction formula for the rolling sound emissions of tyres of classes C1 and C2, to remove the content of the now obsolete Annex 4 as well as all its references, to update references to standards, to improve the reproducibility of the snow grip test method by replacing the current reference tyres C3 SRTTs 19.5 and 22.5 with the new reference tyres C3 SRTTs 19.5 and 22.5 siped, and to make editorial improvements for clarity and consistency across tyre regulations.
Rulemaking Area(s) UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
Regulatory Impact
02 series of amendments | Supplement 16
Proposal Status WP.29 amended and adopted
Meeting(s)
Related Documents
GRBP/2024/5 UNN R117: Proposal for Supplement 16 to the 02 series of amendments (superseded)
GRBP/2024/7 UN R117: Proposal for Supplement 16 to the 02 series of amendments (superseded)
GRBP-79-23 UN R117: Proposal for Supplement 16 to the 02 Series of amendments (superseded)
GRBP-79-07 UN R117: Proposal for amendment to Supplement 16 to 02 series of amendments (superseded)
GRBP-79-09 UN R117: Proposal for Supplement 16 to 02 Series of amendments (superseded)
GRBP-79-10 UN R117: Proposal for amendments to GRBP/2024/6, 7 and 9 (superseded)
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