| Revised Terms of Reference of the Working Group on Worn Tyres (WGWT) |
| Reference Number: GRBP-70-03 |
| Meeting Sessions: 70th GRBP session (11-13 Sep 2019) |
| Document date: 15 Jul 19 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| New traction definition |
| Reference Number: GRBP-70-19 |
| Submitted by: ETRTO |
| Meeting Sessions: 70th GRBP session (11-13 Sep 2019) |
| Document date: 10 Sep 19 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Wet grip test method improvement for C1 tyres |
| Reference Number: GRBP-70-20 |
| Submitted by: ETRTO |
| Meeting Sessions: 70th GRBP session (11-13 Sep 2019) |
| Document date: 10 Sep 19 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Modification to document GRBP/2019/19 |
| Reference Number: GRBP-70-21/Rev.2 |
| Submitted by: ETRTO |
| Meeting Sessions: 70th GRBP session (11-13 Sep 2019) |
| Document date: 13 Sep 19 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Snow tyres provisions: status report |
| Reference Number: GRBP-70-22 |
|
Report on discussions within the Group of Interested Experts on provisions for UN R117. |
| Meeting Sessions: 70th GRBP session (11-13 Sep 2019) |
| Document date: 10 Sep 19 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status report of the Worn Tyres informal group |
| Reference Number: GRBP-70-23 |
| Meeting Sessions: 70th GRBP session (11-13 Sep 2019) |
| Document date: 11 Sep 19 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Tyre performance study: noise vs. other performance |
| Reference Number: GRBP-70-25 |
| Submitted by: ACEA and UTAC |
| Meeting Sessions: 70th GRBP session (11-13 Sep 2019) and 2nd TFMU session (28-29 Nov 2019) |
| Document date: 12 Sep 19 |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement to the 02 series of amendments |
| Reference Number: GRBP/2019/14 |
|
Proposal from the group of interested experts to allow for the type approval of special-use tyres designed for severe snow conditions. |
| Meeting Sessions: 70th GRBP session (11-13 Sep 2019) |
| Document date: 21 Jun 19 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R109: Proposal for amendment |
| Reference Number: GRBP/2019/17 |
|
Proposal to align the provisions for retreaded tyres to be tested and marked with the three-peak-mountain snow-flake (3PMSF) symbol with the amendment proposals to UN R117 (document GRBP/2019/19). |
| Submitted by: BIPAVER |
| Meeting Sessions: 70th GRBP session (11-13 Sep 2019) |
| Document date: 21 Jun 19 |
| Relevant to: UN Regulation No. 109 | Retreaded Tires for Commercial Vehicles and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for an amendment |
| Reference Number: GRBP/2019/19 |
|
Proposal for an amendment to complement the content of working document GRVA/2018/5. The proposal includes amendments to:
|
| Submitted by: ETRTO |
| Meeting Sessions: 70th GRBP session (11-13 Sep 2019) |
| Document date: 21 Jun 19 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
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