This group was authorized in 2019 to consider the performance of tyres after initial use. The broad concern is to ensure that somewhat worn tyres continue to comply with the requirements for new tyre approvals (i.e., no serious degradation in performance after initial use and before such wear as would require tyre replacement).
| Agenda for the 54th Worn Tyres working group session |
| Reference Number: WT-54-01/Rev.1 |
| Meeting Sessions: 54th WT session (26 Jan 2024) |
| Document date: 24 Jan 24 |
| 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 Wet GRIP C1: 2023 Test campaign-WTPP Analysis |
| Reference Number: WT-54-02/Rev.1 |
| Meeting Sessions: 54th WT session (26 Jan 2024) |
| Document date: 26 Jan 24 |
| 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 54th Worn Tyres informal group session |
| Reference Number: WT-54-04 |
| Meeting Sessions: 54th WT session (26 Jan 2024) |
| Document date: 26 Jan 24 |
| Click here to view the full document file |
| Agenda for the 55th Worn Tyres informal group session |
| Reference Number: WT-55-01 |
| Meeting Sessions: 55th WT session (6 Feb 2024) |
| Document date: 01 Feb 24 |
| 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 informal group draft status report to GRBP |
| Reference Number: WT-55-02/Rev.1 |
| Meeting Sessions: 55th WT session (6 Feb 2024) |
| Document date: 06 Feb 24 |
| 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 54th Worn Tyres working group session |
| Reference Number: WT-54-03/Rev.1 |
| Meeting Sessions: 54th WT session (26 Jan 2024) |
| Document date: 19 Feb 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance and WP.29 Regulatory Project | Tyre abrasion test method development |
| Click here to view the full document file |
| Minutes of the 55th Wet Grip on Worn Tyres working group session |
| Reference Number: WT-55-03 |
| Meeting Sessions: 55th WT session (6 Feb 2024) |
| Document date: 22 Feb 24 |
| 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 |
| List of online participants from the 55th Worn Tyres working group session |
| Reference Number: WT-55-04 |
| Meeting Sessions: 55th WT session (6 Feb 2024) |
| Document date: 22 Feb 24 |
| Click here to view the full document file |
| List of in-person participants for the 55th Worn Tyres working group session |
| Reference Number: WT-55-05 |
| Meeting Sessions: 55th WT session (6 Feb 2024) |
| Document date: 22 Feb 24 |
| Click here to view the full document file |
| Worn tyres: Proposal for 2024-2025 test campaign |
| Reference Number: WT-56-02 |
| Submitted by: JASIC |
| Meeting Sessions: 56th WT session (13 Mar 2024) |
| Document date: 12 Mar 24 |
| 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: New and worn state test campaign result |
| Reference Number: WT-56-03 |
| Submitted by: JASIC |
| Meeting Sessions: 56th WT session (13 Mar 2024) |
| Document date: 12 Mar 24 |
| 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 Wet Grip on Worn Tyres informal group workplan 2024-2025 |
| Reference Number: WT-56-04 |
| Submitted by: ETRTO |
| Meeting Sessions: 56th WT session (13 Mar 2024) |
| Document date: 12 Mar 24 |
| 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 56th Wet Grip on Worn Tyres informal group session |
| Reference Number: WT-56-01/Rev.1 |
| Meeting Sessions: 56th WT session (13 Mar 2024) |
| Document date: 13 Mar 24 |
| 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 |
| Wet Grip on Worn Tyres: Recollection of C2 tyre activities |
| Reference Number: WT-56-05 |
| Submitted by: ETRTO |
| Meeting Sessions: 56th WT session (13 Mar 2024) |
| Document date: 13 Mar 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| Participants list from the 56th Wet Grip on Worn Tyres working group session |
| Reference Number: WT-56-07 |
| Meeting Sessions: 56th WT session (13 Mar 2024) |
| Document date: 27 Mar 24 |
| 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 56th Wet Grip on Worn Tyres informal group session |
| Reference Number: WT-56-06 |
| Meeting Sessions: 56th WT session (13 Mar 2024) |
| Document date: 27 Mar 24 |
| 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 57th Worn Tyres working group session |
| Reference Number: WT-57-01 |
| Meeting Sessions: 57th WT session (17 Apr 2024) |
| Document date: 09 Apr 24 |
| 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-57-02 |
| Meeting Sessions: 57th WT session (17 Apr 2024) |
| Document date: 17 Apr 24 |
| Relevant to: WP.29 Regulatory Project | Tyre abrasion test method development |
| Click here to view the full document file |
| Participants list from the 57th Wet Grip on Worn Tyres working group session |
| Reference Number: WT-57-03 |
| Meeting Sessions: 57th WT session (17 Apr 2024) |
| Document date: 07 May 24 |
| 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 57th Wet Grip on Worn Tyres informal group session |
| Reference Number: WT-57-04 |
| Meeting Sessions: 57th WT session (17 Apr 2024) |
| Document date: 07 May 24 |
| 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 58th Wet Grip on Worn Tyres informal group session |
| Reference Number: WT-58-01 |
| Meeting Sessions: 58th WT session (23 May 2024) |
| Document date: 16 May 24 |
| 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 a Supplement to the 04 series of amendments |
| Reference Number: WT-58-03 |
|
Working draft proposal concerning wet grip performance of worn tyres. |
| Meeting Sessions: 58th WT session (23 May 2024) |
| Document date: 17 May 24 |
| 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 task force status report |
| Reference Number: WT-58-04 |
| Meeting Sessions: 58th WT session (23 May 2024) |
| Document date: 23 May 24 |
| 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 58th Wet Grip on Worn Tyres informal group session |
| Reference Number: WT-58-06 |
| Meeting Sessions: 58th WT session (23 May 2024) |
| Document date: 25 May 24 |
| 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 |
| Preliminary study on C2 worn tyre wet performance |
| Reference Number: WT-58-07 |
| Submitted by: JASIC |
| Meeting Sessions: 58th WT session (23 May 2024) |
| Document date: 23 May 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| Agenda for the 59th Worn Tyres working group session |
| Reference Number: WT-59-01 |
| Meeting Sessions: 59th WT session (10 Jun 2024) |
| Document date: 04 Jun 24 |
| 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 |
| Wet Grip on Worn Tyres informal group: 2024-25 workplan-Test center mapping (anonymised) |
| Reference Number: WT-58-02/Rev.1 |
| Meeting Sessions: 58th WT session (23 May 2024) |
| Document date: 05 Jun 24 |
| 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 58th Worn Tyres working group session |
| Reference Number: WT-58-05 |
| Meeting Sessions: 58th WT session (23 May 2024) |
| Document date: 05 Jun 24 |
| 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 to Supplement 2 to the 04 series of amendments |
| Reference Number: WT-59-02/Rev.1 |
| Meeting Sessions: 59th WT session (10 Jun 2024) |
| Document date: 10 Jun 24 |
| 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 |
| IWG Wet Grip of Worn Tyres: Where are we and where are we going? |
| Reference Number: WT-59-03 |
| Submitted by: EC and France |
| Meeting Sessions: 59th WT session (10 Jun 2024) |
| Document date: 10 Jun 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| Minutes of the 59th Worn Tyres working group session |
| Reference Number: WT-59-04 |
| Meeting Sessions: 59th WT session (10 Jun 2024) |
| Document date: 13 Jun 24 |
| 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 59th Worn Tyres working group session |
| Reference Number: WT-59-05 |
| Meeting Sessions: 59th WT session (10 Jun 2024) |
| Document date: 13 Jun 24 |
| 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 34th Worn Tyres working group session |
| Reference Number: WT-34-07 |
| Meeting Sessions: 34th WT session (27 Jan 2022) |
| Document date: 27 Jun 24 |
| 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 34th Worn Tyres working group session |
| Reference Number: WT-34-08 |
| Meeting Sessions: 34th WT session (27 Jan 2022) |
| Document date: 27 Jun 24 |
| 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 |
| Wet grip of worn tyres: Questions raised by the chairs’ presentation on 10 June 2024 |
| Reference Number: WT-60-02 |
| Meeting Sessions: 60th WT session (12 Jul 2024) |
| Document date: 05 Jul 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| UN R117: Comments on working draft 04 series amendments (wet grip on worn tyres) |
| Reference Number: WT-60-05 |
| Submitted by: ETRTO |
| Meeting Sessions: 60th WT session (12 Jul 2024) |
| Document date: 08 Jul 24 |
| 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 C2 tyres – Recollection Part 2 |
| Reference Number: WT-60-04 |
| Submitted by: ETRTO |
| Meeting Sessions: 60th WT session (12 Jul 2024) |
| Document date: 08 Jul 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| Worn tyres: Comments on leadership discussion of further work |
| Reference Number: WT-60-03 |
| Submitted by: ETRTO |
| Meeting Sessions: 60th WT session (12 Jul 2024) |
| Document date: 08 Jul 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| Agenda for the 60th Worn Tyres working group session |
| Reference Number: WT-60-01/Rev.2 |
| Meeting Sessions: 60th WT session (12 Jul 2024) |
| Document date: 09 Jul 24 |
| 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 |
| Revised proposal for worn tyre wet test precision improvement (2024-25 Test campaign) in response to chairs' proposal |
| Reference Number: WT-60-06 |
| Submitted by: JASIC |
| Meeting Sessions: 60th WT session (12 Jul 2024) |
| Document date: 09 Jul 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| Worn tyres: Comments on JASIC proposal for work plan improvements |
| Reference Number: WT-60-07 |
| Submitted by: ETRTO |
| Meeting Sessions: 60th WT session (12 Jul 2024) |
| Document date: 11 Jul 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| Agenda for the 61st Worn Tyres working group session |
| Reference Number: WT-61-01 |
| Meeting Sessions: 61st WT session (30 Jul 2024) |
| Document date: 25 Jul 24 |
| 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 |
| Wet Grip on Worn Tyres: Input on workplan 2024-2025 |
| Reference Number: WT-61-02/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 61st WT session (30 Jul 2024) |
| Document date: 29 Jul 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| Participants list from the 60th Worn Tyres working group session |
| Reference Number: WT-60-09 |
| Meeting Sessions: 60th WT session (12 Jul 2024) |
| Document date: 22 Aug 24 |
| 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 |
| List of participants from the 61st Worn Tyres working group session |
| Reference Number: WT-61-04 |
| Meeting Sessions: 61st WT session (30 Jul 2024) |
| Document date: 22 Aug 24 |
| 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 62nd Wet Grip on Worn Tyres working group session |
| Reference Number: WT-62-01 |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 02 Sep 24 |
| 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: New proposal for Supplement 3 to the 04 series of amendments |
| Reference Number: WT-62-02 |
|
Draft proposal to supersede the proposal in document GBRP/2024/23 (concerning water-depth measurement provisions and track-friction range requirements). |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 02 Sep 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| Response to proposal for 2024-25 wet grip on worn tyres test campaign precision improvement |
| Reference Number: WT-62-03 |
| Submitted by: JASIC |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 02 Sep 24 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| View full document file for more information |
| Click here to view the full document file |
| Minutes of the 60th Worn Tyres working group session |
| Reference Number: WT-60-08 |
| Meeting Sessions: 60th WT session (12 Jul 2024) |
| Document date: 05 Sep 24 |
| 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 61st Worn Tyres working group session |
| Reference Number: WT-61-03 |
| Meeting Sessions: 61st WT session (30 Jul 2024) |
| Document date: 05 Sep 24 |
| 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 62nd Worn Tyres working group session |
| Reference Number: WT-62-05 |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 08 Sep 24 |
| 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 |
| Wet grip on worn tyres: Synthesis of JASIC-ETRTO meeting |
| Reference Number: WT-62-06 |
| Submitted by: ETRTO and JASIC |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 08 Sep 24 |
| 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 |
| Wet grip in worn tyres: ETRTO work plan for 2024-2025 |
| Reference Number: WT-62-07/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 17 Sep 24 |
| 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 |
| Questions and comments on proposed WGWT work plan |
| Reference Number: WT-62-08 |
| Submitted by: JASIC |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 24 Sep 24 |
| 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: 18 September WGWT workplan meeting |
| Reference Number: WT-62-09 |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 10 Oct 24 |
| Click here to view the full document file |
| Minutes of the 62nd Wet Grip on Worn Tyres informal group session |
| Reference Number: WT-62-04/Rev.2 |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 04 Nov 24 |
| 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 Wet Grip on Worn Tyres workplan details |
| Reference Number: WT-62-11/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 04 Nov 24 |
| 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: 26 September extended WGWT informal group session |
| Reference Number: WT-62-10 |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 04 Nov 24 |
| Click here to view the full document file |
| Participants list for the 11 October extended 62nd Wet Grip on Worn Tyres working group session |
| Reference Number: WT-62-12 |
| Meeting Sessions: 62nd WT session (5 Sep 2024) |
| Document date: 04 Nov 24 |
| Click here to view the full document file |
| Wet Grip on Worn Tyres: Agenda for the 63rd (November 2024) session |
| Reference Number: WT-63-01 |
| Meeting Sessions: 63rd WT session (19 Nov 2024) |
| Document date: 12 Nov 24 |
| 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 |
| Wet Grip Worn Tyres: Test tyre allocation plan for the Stage 1 evaluation |
| Reference Number: WT-63-02 |
| Submitted by: ETRTO and JASIC |
| Meeting Sessions: 63rd WT session (19 Nov 2024) |
| Document date: 19 Nov 24 |
| 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 |
| 63rd Worn Tyres working group session; Participants list |
| Reference Number: WT-63-03 |
| Meeting Sessions: 63rd WT session (19 Nov 2024) |
| Document date: 21 Nov 24 |
| 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 63rd Worn Tyres working group session |
| Reference Number: WT-63-04 |
| Meeting Sessions: 63rd WT session (19 Nov 2024) |
| Document date: 21 Nov 24 |
| 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 |
| Wet Grip on Worn Tyres: Agenda for the 64th (December 2024) session |
| Reference Number: WT-64-01 |
| Meeting Sessions: 64th WT session (16 Dec 2024) |
| Document date: 09 Dec 24 |
| 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 |
| Wet Grip on Worn Tyres: Revised test plan |
| Reference Number: WT-64-02 |
| Submitted by: JASIC |
| Meeting Sessions: 64th WT session (16 Dec 2024) |
| Document date: 16 Dec 24 |
| 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 64th Worn Tyres working group session |
| Reference Number: WT-64-04 |
| Meeting Sessions: 64th WT session (16 Dec 2024) |
| Document date: 22 Dec 24 |
| 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 |
| Wet Grip on Worn Tyres: Minutes of the 64th (December 2024) session |
| Reference Number: WT-64-03 |
| Meeting Sessions: 64th WT session (16 Dec 2024) |
| Document date: 22 Dec 24 |
| 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 |
| Wet Grip on Worn Tyres: Agenda for the 65th (January 2025) session |
| Reference Number: WT-65-01 |
| Meeting Sessions: 65th WT session (7 Jan 2025) |
| Document date: 26 Dec 24 |
| 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 |