Tyre Abrasion (TA) reports to GRBP and GRPE
12 Jan Tyre Abrasion: Agenda for the 41st (January 2026) session TA-41-01/Rev.1
12 Jan Tyre abrasion: Drum-vehicle test method equivalence - new alternative proposal (ETRTO) TA-41-02
13 Jan Tyre abrasion: Overview of draft Annex 4: Procedure for Demonstrating Equivalence of Convoy and Drum Test Facilities TA-41-04
13 Jan Tyre abrasion: 2026 Confirmation Plan Proposal TA-41-05
13 Jan Data Assessment subgroup status report to the Tyre Abrasion informal group TA-41-06
13 Jan Tyre abrasion: Concept of Equivalence Criteria (JASIC) TA-41-07
13 Jan Tyre Abrasion: Minutes of the 39th (December 2025) session TA-39-12/Rev.1
16 Jan Tyre abrasion: Proposal to amend the new UNR (ETRTO) TA-41-03/Rev.1
20 Jan Tyre abrasion: JRC analysis ETRTO-JASIC database (EC) TA-42-03
23 Jan Tyre Abrasion: Agenda for the 42nd (January 2026) session TA-42-01
23 Jan Tyre abrasion: Proposal on test method equivalence criteria (JASIC) TA-42-06
23 Jan Tyre abrasion: Considerations on Transfer Function (ETRTO) TA-42-05
26 Jan Tyre abrasion: Draft proprosals for amendments to GRBP/2025/27 TA-42-04/Rev.1
26 Jan Tyre abrasion: Proposal for acceleration calculation (ETRTO) TA-42-02/Rev.2
26 Jan Tyre abrasion: 2026 Test Campaign Plan TA-42-07
30 Jan Tyre abrasion: Guidance for the vehicle-drum test equivalence annex TA-43-03
30 Jan Tyre abrasion: Draft vehicle and drum test equivalence annex TA-43-02
30 Jan Tyre Abrasion: Agenda for the 43rd (February 2026) session TA-43-01
2 Feb Procedure for Demonstrating Equivalence of Vehicle Test and Indoor Drum Test Facilities for Tyre Abrasion and Determining the Transfer Function for Indoor Drum Test Facilities (EC) TA-43-04
2 Feb Overview of proposed Annex 4 to new UN Regulation on Tyre Abrasion (EC) TA-43-05
2 Feb Tyre abrasion: Draft proposal to amend document GRBP/2025/27 TA-43-06
2 Feb Tyre abrasion: Proposal for test method equivalence criteria (JASIC) TA-43-07
2 Feb Tyre abrasion: Comments on the draft Annex 4 (Equivalence method) (JATMA) TA-43-08
3 Feb Tyre abrasion: Proposal on temperature range for reference tyre measurement (ETRTO and LINK) TA-43-11
3 Feb Participants list from the 43rd Tyre Abrasion task force session TA-43-10
4 Feb Tyre abrasion: Proposal to amend document GRBP/2025/27 TA-44-02
4 Feb Tyre Abrasion: Agenda for the 44th (February 2026) session TA-44-01
5 Feb Tyre abrasion: Draft task force status report to GRBP TA-44-06
5 Feb Tyre abrasion: Proposals for test-method equivalence criteria (JASIC) TA-44-05
5 Feb Tyre abrasion: Questions on the draft proposals for Annex 4 (testing equivalence) (ETRTO) TA-44-03
5 Feb Tyre abrasion: Is there a difference between 2 cars fitted with SRTT? (Dekra) TA-44-04
18 Feb Tyre abrasion: Working draft version 1b amending document GRBP-83-32 TA-45-03
27 Feb Tyre abrasion: Working draft version 1a amending document GRBP-83-46 TA-45-02/Rev.1
27 Feb Tyre Abrasion: Agenda for the 45th (March 2026) session TA-45-01
2 Mar Tyre abrasion: Position on text-method equivalence criteria (JASIC) TA-45-06
2 Mar Tyre abrasion: Proposal from Japan (document GRBP-83-38) (Japan) TA-45-07
2 Mar Tyre abrasion: Report on analysis of draft Annex 4 on test method equivalence (EC) TA-45-09
2 Mar Tyre abrasion: Convoy method-Improvement of repeatability on cars with SRTT (Dekra) TA-45-10
2 Mar Tyre abrasion: Position on test-method equivalence proposal (ETRTO) TA-45-05
2 Mar Tyre abrasion: Small working group status report on data assessment and method equivalency TA-45-04
5 Mar Tyre Abrasion Test: Convoy Method – Dual-Normalisation Framework (ITTAC) TA-45-08/Rev.1
11 Mar Tyre Abrasion: Agenda for the 46th (March 2026) session TA-46-01