GRBP will be briefed on the activities of the IWG on Wet Grip Performance of Tyres in Worn State (IWG WGWT).
| GRBP-80-34 | UN R117: Status report by IWG Wet Grip on Worn Tyres | |
| GRBP/2024/17 | UN R117: Proposal to amend the 02, 03 and 04 series of amendments | |
| GRBP-80-25 | UN R117: Presentation on the Evolution of the regulation |
GRBP will address a proposal for a new Supplement to the 04 series of amendments to UN Regulation No. 117 tabled by IWG WGWT.
| GRBP-80-11 | UN R117: Proposal for Supplement 3 to the 04 series of amendments | |
| GRBP-80-30 | UN R117: Presentation on the proposal for Supplement 3 to the 04 series of amendments | |
| GRBP/2024/23 | UN R117: Proposal for a Supplement 3 to the 04 series of amendments |
| GRBP-80-34 | UN R117: Status report by IWG Wet Grip on Worn Tyres | |
| GRBP/2024/17 | UN R117: Proposal to amend the 02, 03 and 04 series of amendments | |
| GRBP-80-25 | UN R117: Presentation on the Evolution of the regulation |
GRBP is invited to consider corrections to the 04 series of amendments to UN Regulation No. 117 submitted by the experts from ETRTO.
| GRBP/2024/25 | UN R117: Proposal for a Supplement to the 04 series of amendments |
| GRBP-80-34 | UN R117: Status report by IWG Wet Grip on Worn Tyres | |
| GRBP/2024/17 | UN R117: Proposal to amend the 02, 03 and 04 series of amendments | |
| GRBP-80-25 | UN R117: Presentation on the Evolution of the regulation |
GRBP may wish to revert to the proposal by the expert of the American Automotive Policy Council (AAPC) that allowed, under certain conditions and weight limits, the use of LT-marked tyres with a rolling resistance greater than the current limits in UN Regulation No. 117.
| GRBP-80-34 | UN R117: Status report by IWG Wet Grip on Worn Tyres | |
| GRBP/2024/17 | UN R117: Proposal to amend the 02, 03 and 04 series of amendments | |
| GRBP-80-25 | UN R117: Presentation on the Evolution of the regulation |