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UN R117: New design C3 SRTTs - Snow performance; Additional Explanations

Document GRBP-79-36

3 February 2024

79th GRBP session (6-9 Feb)

Submitted by ETRTO

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Previous Documents, Discussions, and Outcomes

79th GRBP session (6-9 Feb)

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

25. During consideration of the above amendment proposals to various series of amendments to UN Regulation No. 117, GRBP took note of supporting material by Japan (GRBP-79-10) and by ETRTO (GRBP-79-36), as well as a summary table of all submitted documents (GRBP-79-35-Rev.2).

Relates to UN R117 |

Reference Number:	WP.29/2025/2
Meeting Session(s):	195th WP.29 session (3-7 Mar 2025)
Document date:	24 Dec 24
Document status:	Formal WP.29 review
Regarding:	Communications/Connectivity

Reference Number:	EVE-79-05
Meeting Session(s):	79th EVE session (17 Dec)
Document date:	23 Dec 24
Regarding:	GTR No. 21 EV Power Determination \| GTR No. 22 EV Battery Durability \| HD EV Battery Durability

Reference Number:	VIAQ-30-09
Meeting Session(s):	30th VIAQ session (11 Oct)
Document date:	23 Dec 24
Regarding:	MR 3: VIAQ

Reference Number:	WT-64-03
Meeting Session(s):	64th WT session (16 Dec)
Document date:	22 Dec 24
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

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Documents concerning UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

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