| Worn Tyres informal group work plan status |
| Reference Number: WT-20-03 |
| Meeting Sessions: 20th WT session (20 Apr 2021) |
| Document date: 27 Apr 21 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
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| Draft minutes from the 20th Worn Tyres informal group session |
| Reference Number: WT-20-05 |
| Meeting Sessions: 20th WT session (20 Apr 2021) |
| Document date: 27 Apr 21 |
| 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 20th Worn Tyres working group session |
| Reference Number: WT-20-04 |
| Meeting Sessions: 20th WT session (20 Apr 2021) |
| Document date: 27 Apr 21 |
| 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: Supplement 13 excerpts relevant to worn tyres |
| Reference Number: WT-21-04 |
| Meeting Sessions: 21st WT session (21 May 2021) |
| Document date: 18 May 21 |
| 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 |
| Draft agenda for the 21st Worn Tyres working group session |
| Reference Number: WT-21-01/Rev.2 |
| Meeting Sessions: 21st WT session (21 May 2021) |
| Document date: 20 May 21 |
| 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: Results of buffing procedure evaluations |
| Reference Number: WT-21-05 |
| Meeting Sessions: 21st WT session (21 May 2021) |
| Document date: 20 May 21 |
| 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 |
| Supplement 13 to UN R117 |
| Reference Number: WT-21-03/Rev.1 |
| Meeting Sessions: 21st WT session (21 May 2021) |
| Document date: 21 May 21 |
| 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 |
| Draft minutes of the 21st Worn Tyres working group session |
| Reference Number: WT-21-06 |
| Meeting Sessions: 21st WT session (21 May 2021) |
| Document date: 28 May 21 |
| 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 22nd Worn Tyres group session |
| Reference Number: WT-22-01 |
| Meeting Sessions: 22nd WT session (15 Jun 2021) |
| Document date: 14 Jun 21 |
| 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 Supplement 13 to the 02 series of amendments |
| Reference Number: WT-22-02/Rev.1 |
| Meeting Sessions: 22nd WT session (15 Jun 2021) |
| Document date: 15 Jun 21 |
| 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 of the 22nd Worn Tyres working group session |
| Reference Number: WT-22-06 |
| Meeting Sessions: 22nd WT session (15 Jun 2021) |
| Document date: 20 Jun 21 |
| 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 |
| Draft presentation on worn tyres post processing provisions |
| Reference Number: WT-22-05 |
| Submitted by: ETRTO |
| Meeting Sessions: 22nd WT session (15 Jun 2021) |
| Document date: 20 Jun 21 |
| 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 |
| Draft minutes from the 3rd Worn Tyres Post Processing subgroup session |
| Reference Number: WT-22-04 |
| Meeting Sessions: 22nd WT session (15 Jun 2021) |
| Document date: 20 Jun 21 |
| 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 22nd Worn Tyres working group session |
| Reference Number: WT-22-03 |
| Meeting Sessions: 22nd WT session (15 Jun 2021) |
| Document date: 20 Jun 21 |
| 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: Comments on the draft provisions for worn tyre wet grip |
| Reference Number: WT-23-04 |
| Submitted by: Netherlands |
| Meeting Sessions: 23rd WT session (21 Jun 2021) |
| Document date: 21 Jun 21 |
| 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: Comments on the draft provisions for worn tyres |
| Reference Number: WT-23-03 |
| Submitted by: ETRTO and JASIC |
| Meeting Sessions: 23rd WT session (21 Jun 2021) |
| Document date: 21 Jun 21 |
| 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 23rd Worn Tyres working group session |
| Reference Number: WT-23-01 |
| Meeting Sessions: 23rd WT session (21 Jun 2021) |
| Document date: 20 Jun 21 |
| 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 for amendments |
| Reference Number: WT-23-06 |
|
Proposal to introduce a procedure and thresholds on wet grip performance for tyres in worn state for C1 tyres as submitted to GRBP by the Worn Tyres working group. |
| Meeting Sessions: 23rd WT session (21 Jun 2021) |
| Document date: 01 Jul 21 |
| 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 23rd Worn Tyres working group session |
| Reference Number: WT-23-05 |
| Meeting Sessions: 23rd WT session (21 Jun 2021) |
| Document date: 01 Jul 21 |
| 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 |
| Draft minutes of the 23rd Worn Tyres working group session |
| Reference Number: WT-23-07 |
| Meeting Sessions: 23rd WT session (21 Jun 2021) |
| Document date: 01 Jul 21 |
| 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 24th Worn Tyres working group session |
| Reference Number: WT-24-01 |
| Meeting Sessions: 24th WT session (29-28 Jul 2021) |
| Document date: 28 Jul 21 |
| 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 Post Processing status report |
| Reference Number: WT-24-02 |
| Meeting Sessions: 24th WT session (29-28 Jul 2021) |
| Document date: 28 Jul 21 |
| 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: Draft proposal for amendments to UN R117 |
| Reference Number: WT-24-05 |
| Meeting Sessions: 24th WT session (29-28 Jul 2021) |
| Document date: 30 Jul 21 |
| 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 24th Worn Tyres working group session |
| Reference Number: WT-24-03 |
| Meeting Sessions: 24th WT session (29-28 Jul 2021) |
| Document date: 30 Jul 21 |
| 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 |
| Draft minutes of the 24th Worn Tyres working group session |
| Reference Number: WT-24-04 |
| Meeting Sessions: 24th WT session (29-28 Jul 2021) |
| Document date: 30 Jul 21 |
| 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 |