Working Party on Noise & Tyres (GRBP) reports to WP.29
20 Jan RD-ASEP informal group status report to GRBP GRBP-83-06
21 Jan Informal meetings in conjunction with the 83rd GRBP session GRBP-83-02
22 Jan List of GRBP priorities GRBP-83-07
5 Feb UN R172: Proposal to amend document GRBP/2026/11 (extended version) (ETRTO) GRBP-83-18
5 Feb UN R172: Proposal to amend document GRBP/2026/11 (condensed version) (ETRTO) GRBP-83-17
5 Feb AVRS task force status report to GRBP GRBP-83-12
5 Feb UN R64: Proposal to amend document GRBP/2026/2 GRBP-83-10
5 Feb UN R117: Tyre Noise Level Alignment status report GRBP-83-26
6 Feb Documents submitted to GRBP on tyre regulations (ETRTO) GRBP-83-33/Rev.1
6 Feb UN R156: Review of regulations relevant to software updates (France) GRBP-83-36
6 Feb Wet Grip on Worn Tyres informal group status report to GRBP GRBP-83-31
6 Feb Highlights from the recent WP.29 and ITC sessions of relevance to GRBP GRBP-83-05/Rev.1
10 Feb GRBP-83: Updated provisional agenda for the February 2026 session GRBP-83-01/Rev.1
10 Feb Position on tyre abrasion (OICA) GRBP-83-30
10 Feb UN R51: Proposal to amend document GRBP/2026/4 GRBP-83-09/Rev.1
10 Feb GRBP: Running order of the agenda for the 83rd (February 2026) session GRBP-83-03/Rev.1
10 Feb GRBP: General information for the 83rd and 84th sessions GRBP-83-04/Rev.1
10 Feb RD-ASEP informal group status report to GRBP GRBP-83-08/Rev.1
11 Feb Tyre abrasion: Proposal to amend documents GRBP/2025/27 and GRBP-83-32 (Japan) GRBP-83-38
11 Feb Tyre Abrasion task force status report to GRBP GRBP-83-44
11 Feb Tyre abrasion: Overview of proposed Annex 4 (Test method equivalence) (EC) GRBP-83-45
11 Feb Vehicle Sound task force status report to GRBP GRBP-83-39
11 Feb Tyre abrasion: Position on the draft new UN Regulation (JATMA) GRBP-83-40
11 Feb UN R109: Proposal to amend document GRBP/2026/12 (extended version) (ETRTO) GRBP-83-22/Rev.2
11 Feb UN R109: Proposal to amend document GRBP/2026/12 (condensed version) (ETRTO) GRBP-83-21/Rev.2
11 Feb UN R106: Proposal to replace document GRBP/2026/8 (ETRTO) GRBP-83-19/Rev.1
11 Feb UN R142: Proposal to amend document GRBP/2026/3 (ETRTO) GRBP-83-42
11 Feb UN R51: Proposal for Supplement 11 to the 03 series of amendments (OICA) GRBP-83-41
11 Feb UN R172: Proposal to amend document GRBP/2026/10 (Extended version) (ETRTO) GRBP-83-16/Rev.1
11 Feb UN R172: Proposal to amend document GRBP/2026/10 (condensed version) (ETRTO) GRBP-83-15/Rev.1
11 Feb UN R108: Proposal to amend document GRBP/2026/9 (extended version) (ETRTO) GRBP-83-14/Rev.1
11 Feb UN R108: Proposal to amend document GRBP/2026/9 (ETRTO) GRBP-83-13/Rev.1
11 Feb Tyre abrasion: Proposal for amendments to document GRBP-83-32 (EC) GRBP-83-46
11 Feb Guidance on the Procedure for Demonstrating Equivalence of Vehicle Test and Indoor Drum Test Facilities for Tyre Abrasion and Determining the Transfer Function (EC) GRBP-83-47
12 Feb UN R142: Proposal to amend document GRBP/2026/3 GRBP-83-11/Rev.1
13 Feb UN R117: Proposal to amend document GRBP2026/6 (ETRTO) GRBP-83-20/Rev.2
18 Feb Tyre abrasion: Proposal to replace document GRBP/2025/27 GRBP-83-32/Rev.1
2 Mar Tyre abrasion: Convoy Test Method Dual-Normalisation Framework (ITTAC) GRBP-83-08