GRBP will be briefed on the activities of the Informal Working Group on Wet Grip Performance of Tyres in Worn State (IWG WGWT).
| GRBP-83-20/Rev.2 | UN R117: Proposal to amend document GRBP2026/6 |
|
| GRBP-83-24/Rev.1 | UN R117: Proposal for a Proposal to amend the 04 series of amendments |
|
| GRBP-83-25 | UN R117: Update on measurement uncertainties reduction efforts |
|
| GRBP-83-26 | UN R117: Tyre Noise Level Alignment status report |
|
| GRBP-83-31 | Wet Grip on Worn Tyres informal group status report to GRBP |
|
| GRBP-83-43 | UN R117: Proposal for a Supplement 18 to the 02 series of amendments |
|
| GRBP-83-48/Rev.1 | UN R117: Proposal to supersede GRBP/2025/28 |
|
| GRBP/2026/6 | UN R117: Proposal for a Supplement 4 to the 04 series of amendments |
|
GRBP will consider updates for the reference years in international standard specifications that were tabled by the experts from ETRTO.
| GRBP-83-20/Rev.2 | UN R117: Proposal to amend document GRBP2026/6 |
|
| GRBP-83-24/Rev.1 | UN R117: Proposal for a Proposal to amend the 04 series of amendments |
|
| GRBP-83-25 | UN R117: Update on measurement uncertainties reduction efforts |
|
| GRBP-83-26 | UN R117: Tyre Noise Level Alignment status report |
|
| GRBP-83-31 | Wet Grip on Worn Tyres informal group status report to GRBP |
|
| GRBP-83-43 | UN R117: Proposal for a Supplement 18 to the 02 series of amendments |
|
| GRBP-83-48/Rev.1 | UN R117: Proposal to supersede GRBP/2025/28 |
|
| GRBP/2026/6 | UN R117: Proposal for a Supplement 4 to the 04 series of amendments |
|
As agreed at its previous session, GRBP will revert to the test requirements for ice grip tyres under the wet ice conditions (ECE/TRANS/WP.29/GRBP/80, para. 11).
| GRBP-83-20/Rev.2 | UN R117: Proposal to amend document GRBP2026/6 |
|
| GRBP-83-24/Rev.1 | UN R117: Proposal for a Proposal to amend the 04 series of amendments |
|
| GRBP-83-25 | UN R117: Update on measurement uncertainties reduction efforts |
|
| GRBP-83-26 | UN R117: Tyre Noise Level Alignment status report |
|
| GRBP-83-31 | Wet Grip on Worn Tyres informal group status report to GRBP |
|
| GRBP-83-43 | UN R117: Proposal for a Supplement 18 to the 02 series of amendments |
|
| GRBP-83-48/Rev.1 | UN R117: Proposal to supersede GRBP/2025/28 |
|
| GRBP/2026/6 | UN R117: Proposal for a Supplement 4 to the 04 series of amendments |
|
| GRBP-83-25 | UN R117: Update on measurement uncertainties reduction efforts | |
| GRBP-83-26 | UN R117: Tyre Noise Level Alignment status report | |
| GRBP-83-48/Rev.1 | UN R117: Proposal to supersede GRBP/2025/28 |