| Worn Tyre Post Processing task force status report |
| Reference Number: WT-32-02 |
| Meeting Sessions: 32nd WT session (12 Jan 2022) |
| Document date: 11 Jan 22 |
| 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 |
| Worn Tyres: JASIC Review on ETRTO Proposed Equations |
| Reference Number: WT-32-03 |
| Submitted by: JASIC |
| Meeting Sessions: 32nd WT session (12 Jan 2022) |
| Document date: 11 Jan 22 |
| 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 |
| EU Tyre Industry proposal for Wet grip on Worn tyres (C1) |
| Reference Number: WT-32-04 |
| Submitted by: ETRMA and ETRTO |
| Meeting Sessions: 32nd WT session (12 Jan 2022) |
| Document date: 11 Jan 22 |
| 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 |
| Worn Tyres: Timeline proposal for additional test campaign |
| Reference Number: WT-32-05 |
| Submitted by: ETRTO |
| Meeting Sessions: 32nd WT session (12 Jan 2022) |
| Document date: 11 Jan 22 |
| 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 |
| Agenda for the 32nd Worn Tyres task force session |
| Reference Number: WT-32-01/Rev.1 |
| Meeting Sessions: 32nd WT session (12 Jan 2022) |
| Document date: 12 Jan 22 |
| 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 |
| Attendance list from the 32nd Worn Tyres working group session |
| Reference Number: WT-32-06 |
| Meeting Sessions: 32nd WT session (12 Jan 2022) |
| Document date: 13 Jan 22 |
| 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 |
| Agenda for the 33rd Worn Tyres working group session |
| Reference Number: WT-33-01 |
| Meeting Sessions: 33rd WT session (19 Jan 2022) |
| Document date: 17 Jan 22 |
| 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 |
| Worn tyres: Comments on threshold proposal and timeline for additional assessment |
| Reference Number: WT-33-04 |
| Submitted by: JASIC |
| Meeting Sessions: 33rd WT session (19 Jan 2022) |
| Document date: 19 Jan 22 |
| 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 |
| Report of the 32nd Worn Tyres working group session |
| Reference Number: WT-32-06/Rev.1 |
| Meeting Sessions: 32nd WT session (12 Jan 2022) |
| Document date: 19 Jan 22 |
| 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 |
| Worn tyres: Proposal for additional test campaign timeline |
| Reference Number: WT-33-03 |
| Submitted by: ETRTO |
| Meeting Sessions: 33rd WT session (19 Jan 2022) |
| Document date: 19 Jan 22 |
| 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 |
| Worn tyres: Proposal for C1 wet-grip threshold |
| Reference Number: WT-33-02 |
| Submitted by: ETRMA and ETRTO |
| Meeting Sessions: 33rd WT session (19 Jan 2022) |
| Document date: 19 Jan 22 |
| 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 |
| Attendance list from the 33rd Worn Tyres informal group session |
| Reference Number: WT-33-05 |
| Meeting Sessions: 33rd WT session (19 Jan 2022) |
| Document date: 25 Jan 22 |
| 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 |
| Minutes from the 33rd Worn Tyres informal group session |
| Reference Number: WT-33-06 |
| Meeting Sessions: 33rd WT session (19 Jan 2022) |
| Document date: 25 Jan 22 |
| 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 |
| Worn tyre wet grip threshold provisions pursuant to the 33rd Worn Tyres informal group session |
| Reference Number: WT-33-07 |
| Meeting Sessions: 33rd WT session (19 Jan 2022) |
| Document date: 25 Jan 22 |
| 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 |
| Agenda for the 34th Worn Tyres informal group session |
| Reference Number: WT-34-01/Rev.1 |
| Meeting Sessions: 34th WT session (27 Jan 2022) |
| Document date: 26 Jan 22 |
| 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 from the Worn Tyres Post-Processing task force |
| Reference Number: WT-34-02 |
| Meeting Sessions: 34th WT session (27 Jan 2022) |
| Document date: 26 Jan 22 |
| 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: Draft amendments to document WP.29/2022/11 on worn tyres |
| Reference Number: WT-34-03 |
| Meeting Sessions: 34th WT session (27 Jan 2022) |
| Document date: 26 Jan 22 |
| 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 |
| Threshold proposal for C1 wet grip of worn tyres (Revision 2) |
| Reference Number: WT-34-04 |
| Submitted by: ETRMA and ETRTO |
| Meeting Sessions: 34th WT session (27 Jan 2022) |
| Document date: 26 Jan 22 |
| 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 |
| Proposal for worn tyre track friction range |
| Reference Number: WT-34-05 |
| Submitted by: ETRTO |
| Meeting Sessions: 34th WT session (27 Jan 2022) |
| Document date: 26 Jan 22 |
| 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: Proposal to amend document WP.29/2022/11 on worn tyres |
| Reference Number: WT-34-06 |
| Submitted by: Japan |
| Meeting Sessions: 34th WT session (27 Jan 2022) |
| Document date: 27 Jan 22 |
| 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 |
| Tender for a study on wet grip of worn tyres |
| Reference Number: WT-35-02 |
| Submitted by: IDIADA |
| Meeting Sessions: 35th WT session (3 Feb 2022) |
| Document date: 01 Feb 22 |
| 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 |
| Concept proposal for C2 and C3 worn tyres wet grip |
| Reference Number: WT-35-03 |
| Submitted by: ETRTO |
| Meeting Sessions: 35th WT session (3 Feb 2022) |
| Document date: 02 Feb 22 |
| 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 |
| Input on C1 tyre track friction range |
| Reference Number: WT-35-04 |
| Submitted by: ETRTO |
| Meeting Sessions: 35th WT session (3 Feb 2022) |
| Document date: 02 Feb 22 |
| 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 |
| Agenda for the 35th Worn Tyres informal group session |
| Reference Number: WT-35-01/Rev.1 |
| Meeting Sessions: 35th WT session (3 Feb 2022) |
| Document date: 02 Feb 22 |
| 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: Proposal to amend document GRBP/2022/11 on worn tyres |
| Reference Number: WT-35-06 |
| Meeting Sessions: 35th WT session (3 Feb 2022) |
| Document date: 04 Feb 22 |
| 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 |