GRBP is invited to resume discussion on the proposal submitted by the group of interested experts on snow tyre provisions.
| GRBP-71-20 | UN R117/108/R109 Status report by the group of interested experts (GOIE ) on snow tyre provisions | |
| GRBP-71-26 | UN R117: Justification for document GRBP/2019/14 | |
| GRBP/2019/14 | UN R117: Proposal for a Supplement to the 02 series of amendments |
| GRBP-71-05 | UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure |
GRBP will address a draft amendment which has been tabled by the experts from Japan and ETRTO
| GRBP-71-29 | UN R117 : Proposal to amend the Supplement to the 02 series of amendments | |
| GRBP/2020/6 | UN R117: Proposal for a Supplement to the 02 series of amendments |
| GRBP-71-05 | UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure |
GRBP will be briefed on the activities of the IWG on Wet Grip Performance of Tyres in a Worn State (IWG WGWT). GRBP may also wish to revert to the proposal of the expert from the European Commission to enlarge the scope of IWG WGWT with C2/C3 tyres.
| GRBP-71-23 | Working Group on Worn Tyres: Status report |
| GRBP-71-05 | UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure |
Based on the considerations at the previous session (ECE/TRANS/WP.29/GRBP/68, paras. 17 and 18), GRBP may expect new proposals from ETRTO on improving the wet grip test method for passenger car tyres (C1) and on the new definition of “traction tyres”.
| GRBP-70-19 | New traction definition | |
| GRBP-70-20 | Wet grip test method improvement for C1 tyres |
| GRBP-71-05 | UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure |
GRBP will be invited to consider the proposal by ETRTO to replace the current standard test tyre due to the phase out of the production and possible amendments to the tests due to the change in STT
| GRBP-71-06 | UN R117 Standard Reference Test Tyre replacement |
| GRBP-71-05 | UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure |