| Attendance list from the 38th Worn Tyres working group session |
| Reference Number: WT-38-02/Rev.1 |
| Meeting Sessions: 38th WT session (28 Apr 2022) |
| Document date: 02 May 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 39th Worn Tyres working group session |
| Reference Number: WT-39-01 |
| Meeting Sessions: 39th WT session (13 May 2022) |
| Document date: 13 May 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 cluster definition and threshold |
| Reference Number: WT-39-02 |
| Submitted by: ETRTO |
| Meeting Sessions: 39th WT session (13 May 2022) |
| Document date: 13 May 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 C2 and C3 tyres wet grip in worn state |
| Reference Number: WT-39-03 |
| Submitted by: ETRTO |
| Meeting Sessions: 39th WT session (13 May 2022) |
| Document date: 13 May 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 39th Worn Tyres working group session |
| Reference Number: WT-39-04 |
| Meeting Sessions: 39th WT session (13 May 2022) |
| Document date: 19 May 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 from the 39th Worn Tyres working group session |
| Reference Number: WT-39-05 |
| Meeting Sessions: 39th WT session (13 May 2022) |
| Document date: 19 May 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: Worn Tyres drafting group proposal for C1-C2-C3 tyres (04 series of amendments) |
| Reference Number: WT-40-02 |
| Meeting Sessions: 40th WT session (25 May 2022) |
| Document date: 23 May 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 for Standard Reference Test Tyre (SRTT) in worn state |
| Reference Number: WT-40-03 |
| Submitted by: Japan |
| Meeting Sessions: 40th WT session (25 May 2022) |
| Document date: 23 May 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 40th Worn Tyres working group session |
| Reference Number: WT-40-01/Rev.1 |
| Meeting Sessions: 40th WT session (25 May 2022) |
| Document date: 25 May 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 C2/C3 tyre wet grip in worn state |
| Reference Number: WT-40-04 |
| Submitted by: Japan |
| Meeting Sessions: 40th WT session (25 May 2022) |
| Document date: 25 May 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 40th Worn Tyres working group session |
| Reference Number: WT-40-06 |
| Meeting Sessions: 40th WT session (25 May 2022) |
| Document date: 01 Jun 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 40th Worn Tyres working group session |
| Reference Number: WT-40-05 |
| Meeting Sessions: 40th WT session (25 May 2022) |
| Document date: 01 Jun 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 add tread depth measurement prescriptions in Annex 9 |
| Reference Number: WT-41-02 |
| Submitted by: ETRTO |
| Meeting Sessions: 41st WT session (8 Jun 2022) |
| Document date: 03 Jun 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 41st Worn Tyres working group session |
| Reference Number: WT-41-01 |
| Meeting Sessions: 41st WT session (8 Jun 2022) |
| Document date: 06 Jun 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 proposal for 04 series of amendments on C1, C2, and C3 tyres |
| Reference Number: WT-41-03/Rev.1 |
| Meeting Sessions: 41st WT session (8 Jun 2022) |
| Document date: 08 Jun 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: Consolidated drafting group proposal for Supplement 1 to the 03 series of amendments |
| Reference Number: WT-41-04/Rev.1 |
| Meeting Sessions: 41st WT session (8 Jun 2022) |
| Document date: 08 Jun 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: C1 cluster definition and threshold proposals for “UHP” and “All Terrain” |
| Reference Number: WT-41-05/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 41st WT session (8 Jun 2022) |
| Document date: 09 Jun 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 41st Worn Tyres working group session |
| Reference Number: WT-41-06 |
| Meeting Sessions: 41st WT session (8 Jun 2022) |
| Document date: 09 Jun 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 41st Worn Tyres working group session |
| Reference Number: WT-41-07 |
| Meeting Sessions: 41st WT session (8 Jun 2022) |
| Document date: 09 Jun 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 42nd Worn Tyres working group session |
| Reference Number: WT-42-01 |
| Meeting Sessions: 42nd WT session (10 Jun 2022) |
| Document date: 10 Jun 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 text for 03 series Supplement 3 include tread depth measurement |
| Reference Number: WT-42-02 |
| Meeting Sessions: 42nd WT session (10 Jun 2022) |
| Document date: 10 Jun 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 text for 04 series amendments on worn C1, C2, and C3 tyres |
| Reference Number: WT-42-03 |
| Submitted by: EC |
| Meeting Sessions: 42nd WT session (10 Jun 2022) |
| Document date: 10 Jun 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 42nd Worn Tyres working group session |
| Reference Number: WT-42-04 |
| Meeting Sessions: 42nd WT session (10 Jun 2022) |
| Document date: 10 Jun 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 42nd Worn Tyres working group session |
| Reference Number: WT-42-05 |
| Meeting Sessions: 42nd WT session (10 Jun 2022) |
| Document date: 10 Jun 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 Post-Processing subgroup status report |
| Reference Number: WT-43-02 |
| Meeting Sessions: 43rd WT session (5 Jul 2022) |
| Document date: 30 Jun 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 |