European Tyre and Rim Technical Organisation
550 documents
24 Jul 2019 Worn tyres: Tyre industry work status (ETRTO) WT-02-02/Rev.1 2019-07-24 ETRTO
31 Jul 2019 Worn tyres: Tyre industry work status (ETRTO) WT-02-02/Rev.2 2019-07-31 ETRTO
17 Oct 2019 Worn Tyres: Tyre Industry work plan proposal (ETRTO) WT-04-02 2019-10-17 ETRTO
31 Oct 2019 Worn tyres: Industry work plan proposal (ETRTO) WT-04-02/Rev.1 2019-10-31 ETRTO
20 Nov 2019 Worn tyres: ETRTO input for the informal group work plan (ETRTO) WT-05-02 2019-11-20 ETRTO
13 May 2020 UN R117: Worn tyre buffing method (ETRMA and ETRTO) WT-10-08 2020-05-13 Tyre Industry preliminary worn tyre definition proposal with an updated proposal for the tyre buffing method. ETRMA ETRTO
22 Jun 2020 Worn tyres: ETRTO response on question from IDIADA regarding tread depth measurement in shoulder zone (ETRTO) WT-12-04 2020-06-22 ETRTO
10 Sep 2020 Worn tyres: Test data collection tables (ETRTO) WT-14-03 2020-09-10 ETRTO
23 Oct 2020 Worn tyres: Proposal for data sharing process (ETRTO) WT-15-04/Rev.1 2020-10-23 ETRTO
22 Feb 2021 Worn tyres: C2 and C3 considerations (ETRTO) WT-18-02 2021-02-22 ETRTO
22 Mar 2021 Worn tyres: Concept for C2 and C3 tyres (ETRTO) WT-19-02 2021-03-22 ETRTO
20 Jun 2021 Draft presentation on worn tyres post processing provisions (ETRTO) WT-22-05 2021-06-20 ETRTO
21 Jun 2021 UN R117: Comments on the draft provisions for worn tyres (ETRTO and JASIC) WT-23-03 2021-06-21 ETRTO JASIC
14 Sep 2021 Proposal for revised Worn Tyres working group terms of reference (ETRTO) WT-28-03 2021-09-14 ETRTO
26 Nov 2021 Wet Grip on Worn C1 tyres: Threshold definition approach considerations (ETRTO) WT-30-02 2021-11-26 ETRTO
3 Dec 2021 Worn Tyres: Proposal for SRTT evaluation workplan (ETRTO) WT-30-07 2021-12-03 ETRTO
12 Jan 2022 EU Tyre Industry proposal for Wet grip on Worn tyres (C1) (ETRMA and ETRTO) WT-32-04 2022-01-12 ETRMA ETRTO
12 Jan 2022 Worn Tyres: Timeline proposal for additional test campaign (ETRTO) WT-32-05 2022-01-12 ETRTO
19 Jan 2022 Worn tyres: Proposal for C1 wet-grip threshold (ETRMA and ETRTO) WT-33-02 2022-01-19 ETRMA ETRTO
19 Jan 2022 Worn tyres: Proposal for additional test campaign timeline (ETRTO) WT-33-03 2022-01-19 ETRTO
26 Jan 2022 Threshold proposal for C1 wet grip of worn tyres (Revision 2) (ETRMA and ETRTO) WT-34-04 2022-01-26 ETRMA ETRTO
26 Jan 2022 Proposal for worn tyre track friction range (ETRTO) WT-34-05 2022-01-26 ETRTO
2 Feb 2022 Concept proposal for C2 and C3 worn tyres wet grip (ETRTO) WT-35-03 2022-02-02 ETRTO
2 Feb 2022 Input on C1 tyre track friction range (ETRTO) WT-35-04 2022-02-02 ETRTO
5 Apr 2022 Worn WGI C1 tyre cluster definition proposals for UHP, Legal Race and All Terrain (ETRTO) WT-37-02 2022-04-05 ETRTO
5 Apr 2022 Worn tyres: C2 and C3 regulatory text proposal (ETRTO) WT-37-03 2022-04-05 ETRTO
13 May 2022 Worn tyres cluster definition and threshold (ETRTO) WT-39-02 2022-05-13 ETRTO
13 May 2022 Threshold proposal for C2 and C3 tyres wet grip in worn state (ETRTO) WT-39-03 2022-05-13 ETRTO
3 Jun 2022 UN R117: Proposal to add tread depth measurement prescriptions in Annex 9 (ETRTO) WT-41-02 2022-06-03 ETRTO
9 Jun 2022 Worn tyres: C1 cluster definition and threshold proposals for “UHP” and “All Terrain” (ETRTO) WT-41-05/Rev.1 2022-06-09 ETRTO
26 Jul 2022 Worn tyres: Comments on proposal for 2023 additional test campaign work plan (ETRTO) WT-44-03 2022-07-26 ETRTO
12 Sep 2022 ETRTO workplan proposal for Wet Grip on Worn tyre test precision improvement (ETRTO) WT-45-02 2022-09-12 ETRTO
4 Nov 2022 Worn tyres work plan proposal (ETRTO) WT-47-02 2022-11-04 ETRTO
15 Feb 2023 Worn tyres: Input on options for water depth measurement (ETRTO) WDM-1-02 2023-02-15 ETRTO
20 Mar 2023 Worn tyres: Comments on water-depth measurement test plan (ETRTO) WDM-3-02 2023-03-20 ETRTO
14 Jul 2023 Proposal for worn tyres testing data sharing (ETRTO) WT-52-02 2023-07-14 ETRTO
4 Dec 2023 Comments on the Wet Grip of New and Worn Tyres: Experimental results on C1, C2 and C3 tyres (ETRTO) WT-53-04 2023-12-04 ETRTO
12 Mar 2024 Proposal for Wet Grip on Worn Tyres informal group workplan 2024-2025 (ETRTO) WT-56-04 2024-03-12 ETRTO
13 Mar 2024 Wet Grip on Worn Tyres: Recollection of C2 tyre activities (ETRTO) WT-56-05 2024-03-13 ETRTO
8 Jul 2024 Worn tyres: Comments on leadership discussion of further work (ETRTO) WT-60-03 2024-07-08 ETRTO
8 Jul 2024 Worn WGI C2 tyres – Recollection Part 2 (ETRTO) WT-60-04 2024-07-08 ETRTO
8 Jul 2024 UN R117: Comments on working draft 04 series amendments (wet grip on worn tyres) (ETRTO) WT-60-05 2024-07-08 ETRTO
12 Jul 2024 Worn tyres: Comments on JASIC proposal for work plan improvements (ETRTO) WT-60-07 2024-07-12 ETRTO
29 Jul 2024 Wet Grip on Worn Tyres: Input on workplan 2024-2025 (ETRTO) WT-61-02/Rev.1 2024-07-29 ETRTO
8 Sep 2024 Wet grip on worn tyres: Synthesis of JASIC-ETRTO meeting (ETRTO and JASIC) WT-62-06 2024-09-08 ETRTO JASIC
17 Sep 2024 Wet grip in worn tyres: ETRTO work plan for 2024-2025 (ETRTO) WT-62-07/Rev.1 2024-09-17 ETRTO
4 Nov 2024 ETRTO Wet Grip on Worn Tyres workplan details (ETRTO) WT-62-11/Rev.1 2024-11-04 ETRTO
19 Nov 2024 Wet Grip Worn Tyres: Test tyre allocation plan for the Stage 1 evaluation (ETRTO and JASIC) WT-63-02 2024-11-19 ETRTO JASIC
12 Feb 2025 Wet grip on worn tyres: Comments on document WT-66-02 (ETRTO) WT-66-03 2025-02-12 ETRTO
25 Aug 2025 Assessment on removing C2-C3 provisions from wet grip worn tyre provisions (ETRTO) WT-69-02 2025-08-25 ETRTO
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