European Tyre and Rim Technical Organisation
18 Feb 2025 UN R117: Proposal to supersede document GRBP/2025/12 (ETRTO) GRBP-81-08/Rev.1 2025-02-18 ETRTO
18 Feb 2025 UN R117: Proposal to supersede document GRBP/2025/13 (ETRTO) GRBP-81-09/Rev.1 2025-02-18 ETRTO
6 Feb 2025 Supporting material for ETRTO working documents (ETRTO) GRBP-81-13/Rev.1 2025-02-06 ETRTO
15 Feb 2025 UN R117: Measurement uncertainties reduction in rolling sound emission test method (ETRTO) GRBP-81-19 2025-02-15 ETRTO
1 Sep 2025 UN R117: Tyre Abrasion; Position on open points for C1 limit settings (ETRTO) GRBP-82-24 2025-09-01 ETRTO
1 Sep 2025 UN R117: Tyre Abrasion, Position of the European Tyre Industry on Abrasion Limits Setting in view of Euro 7 Regulation implementation (ETRTO) GRBP-82-25 2025-09-01 ETRTO
2 Sep 2025 UN R117: Proposal for a Supplement 4 to the 04 Series of amendments (ETRTO) GRBP-82-26 2025-09-02 Addresses a real-life situation that is not considered by current ice grip test conditions: the wet ice (or black ice) conditions. ETRTO
2 Sep 2025 UN R117: Proposal for Supplement 4 to the 04 Series of amendments (ETRTO) GRBP-82-27 2025-09-02 Proposal for new provisions for the track characterization with additional new text and re-introduces deleted text ETRTO
28 Nov 2025 UN R117: Proposal for a Supplement 4 to the 04 series of amendments (ETRTO) GRBP/2026/6 2025-11-28 Proposal to update references the latest international standard specifications ASTM F2872-25, F2871-25 and F3678-25. ETRTO
24 Jun 2025 Tyre abrasion: Comments on task force submission to GRBP (ETRTO) TA-35-05 2025-06-24 ETRTO
29 Oct 2025 Mileage estimation for C1 tyres (ETRTO) TA-38-07 2025-10-29 ETRTO
14 Feb 2025 UN R117: Measurement uncertainties reduction in rolling sound emission test method (ETRTO) TFVS-17-06 2025-02-14 ETRTO
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