| Report from the 35th Worn Tyres working group session |
| Reference Number: WT-35-11 |
| 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 |
| Worn Tyres working group status report to GRBP-75 |
| Reference Number: WT-35-09 |
| 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 |
| Proposal for revised Worn Tyres working group terms of reference |
| Reference Number: WT-35-10 |
| 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 |
| Position on worn tyre track friction properties |
| Reference Number: WT-35-05 |
| Submitted by: JASIC |
| 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 |
| 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 |
| UN R117: Concept proposal for addressing C2 and C3 worn tyres wet grip |
| Reference Number: WT-35-07 |
| 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 |
| Agenda for the 36th Worn Tyres working group session |
| Reference Number: WT-36-01 |
| Meeting Sessions: 36th WT session (4 Mar 2022) |
| Document date: 01 Mar 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: Data collection compilation SRTT 2mm |
| Reference Number: WT-36-02/Rev.2 |
| Meeting Sessions: 37th WT session (6 Apr 2022) |
| Document date: 01 Mar 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: Evaluation of Molded SRTT-worn |
| Reference Number: WT-36-03 |
| Submitted by: JASIC |
| Meeting Sessions: 36th WT session (4 Mar 2022) |
| Document date: 04 Mar 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 working group work plan |
| Reference Number: WT-36-04 |
| Meeting Sessions: 36th WT session (4 Mar 2022) |
| Document date: 08 Mar 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 36th Worn Tyres working group session |
| Reference Number: WT-36-05 |
| Meeting Sessions: 36th WT session (4 Mar 2022) |
| Document date: 08 Mar 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 36th Worn Tyres working group session |
| Reference Number: WT-36-06 |
| Meeting Sessions: 36th WT session (4 Mar 2022) |
| Document date: 08 Mar 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 37th Worn Tyres working group session |
| Reference Number: WT-37-01/Rev.1 |
| Meeting Sessions: 37th WT session (6 Apr 2022) |
| Document date: 05 Apr 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 WGI C1 tyre cluster definition proposals for UHP, Legal Race and All Terrain |
| Reference Number: WT-37-02 |
| Submitted by: ETRTO |
| Meeting Sessions: 37th WT session (6 Apr 2022) |
| Document date: 05 Apr 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: C2 and C3 regulatory text proposal |
| Reference Number: WT-37-03 |
| Submitted by: ETRTO |
| Meeting Sessions: 37th WT session (6 Apr 2022) |
| Document date: 05 Apr 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 |
| Japan comments on worn tyre cluster definitions |
| Reference Number: WT-37-02 |
| Submitted by: JASIC |
| Meeting Sessions: 37th WT session (19 Apr 2022) |
| Document date: 18 Apr 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 37th Worn Tyres working group session |
| Reference Number: WT-37-04 |
| Meeting Sessions: 37th WT session (6 Apr 2022) |
| Document date: 18 Apr 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 of the 37th Worn Tyres working group session |
| Reference Number: WT-37-05 |
| Meeting Sessions: 37th WT session (6 Apr 2022) |
| Document date: 18 Apr 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 supplemental session to the 37th Worn Tyres working group session |
| Reference Number: WT-37-01 |
| Meeting Sessions: 37th WT session (19 Apr 2022) |
| Document date: 18 Apr 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 |
| Updated work plan of the Worn Tyres working group |
| Reference Number: WT-37-04 |
| Meeting Sessions: 37th WT session (19 Apr 2022) |
| Document date: 21 Apr 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 of the supplemental meeting of the 37th Worn Tyres working group session |
| Reference Number: WT-37-05 |
| Meeting Sessions: 37th WT session (19 Apr 2022) |
| Document date: 21 Apr 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 supplemental meeting of the 37th Worn Tyres working group session |
| Reference Number: WT-37-03 |
| Meeting Sessions: 37th WT session (19 Apr 2022) |
| Document date: 21 Apr 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 28th Worn Tyres working group |
| Reference Number: WT-38-01 |
| Meeting Sessions: 38th WT session (28 Apr 2022) |
| Document date: 25 Apr 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 |
| Updated work plan for the Worn Tyres working group |
| Reference Number: WT-38-03 |
| Meeting Sessions: 38th WT session (28 Apr 2022) |
| Document date: 29 Apr 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 38th Worn Tyres working group session |
| Reference Number: WT-38-04 |
| Meeting Sessions: 38th WT session (28 Apr 2022) |
| Document date: 29 Apr 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 |