| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Attendance list from the 35th Worn Tyres working group session |
| Reference Number: WT-35-08 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Agenda for the 43rd Worn Tyres working group session |
| Reference Number: WT-43-01 |
| Meeting Sessions: 43rd WT session (5 Jul 2022) |
| Document date: 04 Jul 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: Standard reference test tyre data collection compilation |
| Reference Number: WT-43-05 |
| Meeting Sessions: 43rd WT session (5 Jul 2022) |
| Document date: 07 Jul 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 43rd Worn Tyres working group session |
| Reference Number: WT-43-03 |
| Meeting Sessions: 43rd WT session (5 Jul 2022) |
| Document date: 07 Jul 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 43rd Worn Tyres working group session |
| Reference Number: WT-43-04 |
| Meeting Sessions: 43rd WT session (5 Jul 2022) |
| Document date: 07 Jul 22 |
| Click here to view the full document file |
| Worn tyres: Proposal for 2023 additional test campaign matrix |
| Reference Number: WT-44-01 |
| Submitted by: JASIC |
| Meeting Sessions: 44th WT session (27 Jul 2022) |
| Document date: 12 Jul 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 44th Worn Tyres working group session |
| Reference Number: WT-44-02 |
| Meeting Sessions: 44th WT session (27 Jul 2022) |
| Document date: 20 Jul 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 |
| Small group discussion on usage purpose clustering |
| Reference Number: WT-44-04 |
|
Report on discussions concerning the definition of a specific cluster ‘tyre with a nominal aspect ratio equal to or less than 40, a section width equal to or higher than 235 mm and suitable for speeds equal to or greater than 300 km/h’ by indicating the intended use of such tyres. |
| Meeting Sessions: 44th WT session (27 Jul 2022) |
| Document date: 20 Jul 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 proposal for 2023 additional test campaign work plan |
| Reference Number: WT-44-03 |
| Submitted by: ETRTO |
| Meeting Sessions: 44th WT session (27 Jul 2022) |
| Document date: 26 Jul 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 informal document to amend document GRBP/2022/22 |
| Reference Number: WT-44-05/Rev.1 |
| Meeting Sessions: 44th WT session (27 Jul 2022) |
| Document date: 27 Jul 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 an informal document to amend document GRBP/2022/23 |
| Reference Number: WT-44-06/Rev.1 |
| Meeting Sessions: 44th WT session (27 Jul 2022) |
| Document date: 27 Jul 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 44th Worn Tyres working group session |
| Reference Number: WT-44-10 |
| Meeting Sessions: 44th WT session (27 Jul 2022) |
| Document date: 27 Jul 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 |
| Reference Number: WT-44-07 |
| Submitted by: JASIC |
| Meeting Sessions: 44th WT session (27 Jul 2022) |
| Document date: 27 Jul 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 |
| Reference Number: WT-44-08 |
| Meeting Sessions: 44th WT session (27 Jul 2022) |
| Document date: 28 Jul 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 44th Worn Tyres working group |
| Reference Number: WT-44-09 |
| Meeting Sessions: 44th WT session (27 Jul 2022) |
| Document date: 28 Jul 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 |
| Draft agenda for the 45th Worn Tyres working group session |
| Reference Number: WT-45-01 |
| Meeting Sessions: 45th WT session (13 Sep 2022) |
| Document date: 05 Sep 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 |
| ETRTO workplan proposal for Wet Grip on Worn tyre test precision improvement |
| Reference Number: WT-45-02 |
| Submitted by: ETRTO |
| Meeting Sessions: 45th WT session (13 Sep 2022) |
| Document date: 12 Sep 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 test precision improvement test plan proposal |
| Reference Number: WT-45-03 |
| Submitted by: JASIC |
| Meeting Sessions: 45th WT session (13 Sep 2022) |
| Document date: 13 Sep 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 |
| Participants list from the 45th Worn Tyres working group session |
| Reference Number: WT-45-05 |
| Meeting Sessions: 45th WT session (13 Sep 2022) |
| Document date: 14 Sep 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 45th Worn Tyres working group session |
| Reference Number: WT-45-04 |
| Meeting Sessions: 45th WT session (13 Sep 2022) |
| Document date: 14 Sep 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 46th Worn Tyres working group session |
| Reference Number: WT-46-01/Rev.1 |
| Meeting Sessions: 46th WT session (13 Oct 2022) |
| Document date: 13 Oct 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 test precision improvement: test plan proposal |
| Reference Number: WT-46-02 |
| Submitted by: JASIC |
| Meeting Sessions: 46th WT session (13 Oct 2022) |
| Document date: 13 Oct 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: 2023 test campaign-report on JASIC/JATMA-ETRTO meetings |
| Reference Number: WT-46-03 |
|
Report on discussions to reconcile proposals for a test campaign towards improving the wet grip test precision. |
| Submitted by: JASIC |
| Meeting Sessions: 46th WT session (13 Oct 2022) |
| Document date: 13 Oct 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 |
| Participation list from the 46th Worn Tyres working group session |
| Reference Number: WT-46-04 |
| Meeting Sessions: 46th WT session (13 Oct 2022) |
| Document date: 16 Oct 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 46th Worn Tyres working session |
| Reference Number: WT-46-05 |
| Meeting Sessions: 46th WT session (13 Oct 2022) |
| Document date: 16 Oct 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 47th Worn Tyres working group session |
| Reference Number: WT-47-01 |
| Meeting Sessions: 47th WT session (7 Nov 2022) |
| Document date: 28 Oct 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 work plan proposal |
| Reference Number: WT-47-02 |
| Submitted by: ETRTO |
| Meeting Sessions: 47th WT session (7 Nov 2022) |
| Document date: 04 Nov 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: Draft updated terms of reference |
| Reference Number: WT-47-03/Rev.3 |
| Meeting Sessions: 47th WT session (7 Nov 2022) |
| Document date: 09 Nov 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 a 03 series of amendments on wet grip of worn tyres |
| Reference Number: WT-47-04 |
| Meeting Sessions: 47th WT session (7 Nov 2022) |
| Document date: 09 Nov 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 47th Worn Tyres working group session |
| Reference Number: WT-47-05 |
| Meeting Sessions: 47th WT session (7 Nov 2022) |
| Document date: 09 Nov 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 47th Worn Tyres working group session |
| Reference Number: WT-47-06 |
| Meeting Sessions: 47th WT session (7 Nov 2022) |
| Document date: 09 Nov 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 48th Worn Tyres working group session |
| Reference Number: WT-48-01/Rev.1 |
| Meeting Sessions: 48th WT session (13 Dec 2022) |
| Document date: 10 Dec 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 of the Worn Tyres working group small group activities |
| Reference Number: WT-48-02 |
| Meeting Sessions: 48th WT session (13 Dec 2022) |
| Document date: 12 Dec 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 |
| Participants list from the 48th Worn Tyres working group session |
| Reference Number: WT-48-04 |
| Meeting Sessions: 48th WT session (13 Dec 2022) |
| Document date: 16 Dec 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 48th Worn Tyres working group session |
| Reference Number: WT-48-03 |
| Meeting Sessions: 48th WT session (13 Dec 2022) |
| Document date: 21 Dec 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 |