previous agenda item
next agenda item
Working Party on Noise and Tyres
Session 74
15-17 Sep 2021 | Web conference
Agenda Item 7. (e) UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)
Documentation
Annotations
GRBP-74-04 UN R117: Proposal for amendments to the 02 series of amendments
GRBP-74-31/Rev.1 UN R117: Proposal for amendments to the 02 series of amendments
GRBP-74-33/Rev.1 UN R117: Proposal for amendments
GRBP-74-33/Rev.1 UN R117: Proposal for amendments
GRBP-74-41 IWG WGWT: Status report
GRBP-74-42 IWG WGWT: Proposal for revised Terms of Reference
GRBP/2021/17 UN R117: Proposal for a Supplement to the 02 series of amendments
GRBP-74-12 IWG MU (Measurement Uncertainties): Terms of Reference

GRBP may wish to consider a proposal which was tabled the experts from the European Tyre and Rim Technical Organisation (ETRTO).

GRBP-74-04 UN R117: Proposal for amendments to the 02 series of amendments
GRBP-74-31/Rev.1 UN R117: Proposal for amendments to the 02 series of amendments
GRBP-74-33/Rev.1 UN R117: Proposal for amendments
GRBP-74-33/Rev.1 UN R117: Proposal for amendments
GRBP-74-41 IWG WGWT: Status report
GRBP-74-42 IWG WGWT: Proposal for revised Terms of Reference
GRBP/2021/12 UN R117: Proposal for amendments
GRBP-74-12 IWG MU (Measurement Uncertainties): Terms of Reference

GRBP will be briefed on the activities of the IWG on Wet Grip Performance of Tyres in a Worn State (IWG WGWT) and will consider amendment proposals that were prepared by IWG WGWT with the aim to introduce a procedure and thresholds on wet grip performance for C1 tyres in worn state.

New and Upcoming
System Pages
Regulations
Working Groups
GlobalAutoRegs
© 2025 GlobalAutoRegs