GAR | WP.29 Documents

2026 2025

Brake particle measurement: Proposal for a new UN Regulation

Reference Number: WP.29/2026/36

Proposal to establish requirements for the type approval of vehicles with regard to the particle emissions of their braking systems, including uniform methods for their measurement. Japan abstained from the vote to adopt.

Meeting Sessions: 198th WP.29 session (9-13 Mar)

Document date: 29 Dec 25

Document status: Adopted by WP.29

Relevant to

UN Regulation No. 179 | Approval of vehicles with regard to the particle emissions of their braking system

View full document file for more information

Download from UNECE:

.pdf format

.docx format

Brake particle measurement: Draft Supplement to enable application of the draft new UN Regulation to ADS vehicles

Reference Number: GRPE-TF-AVRS-31-11/Rev.1

Meeting Sessions: 31st GRPE-TF-AVRS session (10 Dec 2025)

Document date: 19 Dec 25

Relevant to

UN Regulation No. 179 | Approval of vehicles with regard to the particle emissions of their braking system

Download from UNECE:

.docx format

Brake emissions: Proposal to amend the draft UN Regulation for application to ADS vehicles

Reference Number: GRPE-TF-AVRS-30-11/Rev.1

Proposed amendments updated with in-session revisions.

Meeting Sessions: 30th GRPE-TF-AVRS session (27 Nov 2025)

Document date: 27 Nov 25

Relevant to

UN Regulation No. 179 | Approval of vehicles with regard to the particle emissions of their braking system and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles

Download from UNECE:

.docx format

Particle Measurement Programme: Minutes of the 56th (October 2025) session

Reference Number: PMP-56-08

Meeting Sessions: 56th PMP session (14 Oct 2025)

Document date: 27 Oct 25

Relevant to

GTR No. 24 | Laboratory Measurement of Brake Emissions for Light-Duty Vehicles, WP.29 Regulatory Project | Heavy-duty Vehicle Brake Particle Emissions Measurement, UN Regulation No. 179 | Approval of vehicles with regard to the particle emissions of their braking system, and WP.29 Regulatory Project | Approval of Non-Original and Identical Brake Parts with regard to the Particulate Emissions

Download from UNECE:

.pdf format

UN R Brake particle emissions of LDVs

Reference Number: GRPE-93-51/Rev.1

Conversion of UN GTR24 into a UN R

Submitted by: OICA

Meeting Sessions: 93rd GRPE session (14-17 Oct 2025)

Document date: 17 Oct 25

Relevant to

UN Regulation No. 179 | Approval of vehicles with regard to the particle emissions of their braking system

Download from UNECE:

.pdf format

.pptx format

UN Regulation No. [XXX] on the Laboratory Measurement of Brake Emissions for Light-Duty Vehicles : Proposal for amendments

Reference Number: GRPE-93-48/Rev.1

Proposal to amend ECE/TRANS/WP.29/GRPE/2025/18

Submitted by: EC, OICA, and UK

Meeting Sessions: 93rd GRPE session (14-17 Oct 2025)

Document date: 16 Oct 25

Relevant to

UN Regulation No. 179 | Approval of vehicles with regard to the particle emissions of their braking system

View full document file for more information

Download from UNECE:

.docx format

GTR 24 and UNR on brake emissions: Input for PMP informal group discussions

Reference Number: PMP-56-04

Submitted by: OICA

Meeting Sessions: 56th PMP session (14 Oct 2025)

Document date: 15 Oct 25

Relevant to

GTR No. 24 | Laboratory Measurement of Brake Emissions for Light-Duty Vehicles and UN Regulation No. 179 | Approval of vehicles with regard to the particle emissions of their braking system

Download from UNECE:

.pdf format

Study on non-exhaust emissions in road transport

Reference Number: PMP-56-05

Submitted by: EMISIA

Meeting Sessions: 56th PMP session (14 Oct 2025)

Document date: 15 Oct 25

Relevant to

GTR No. 24 | Laboratory Measurement of Brake Emissions for Light-Duty Vehicles, WP.29 Regulatory Project | Tyre abrasion test method development, WP.29 Regulatory Project | Heavy-duty Vehicle Brake Particle Emissions Measurement, UN Regulation No. 179 | Approval of vehicles with regard to the particle emissions of their braking system, and WP.29 Regulatory Project | Approval of Non-Original and Identical Brake Parts with regard to the Particulate Emissions

Download from UNECE:

.pdf format

GTR 24: Inter-laboratory Study #3: Summary

Reference Number: PMP-56-06

Submitted by: EC

Meeting Sessions: 56th PMP session (14 Oct 2025)

Document date: 15 Oct 25

Relevant to

Download from UNECE:

.pdf format

Particle Measurement Programme: Agenda for the 56th (October 2025) session

Reference Number: PMP-56-01

Meeting Sessions: 56th PMP session (14 Oct 2025)

Document date: 13 Oct 25

Relevant to

Download from UNECE:

.docx format

UN R: Laboratory Measurement of non-original and identical replacement brake parts with regards to particle emissions

Reference Number: GRPE-93-13

This document aims at transposing UN GTR 24 into a new UN Regulation on uniform provisions concerning the approval of non-original and identical replacement brake parts with regards to particle emissions.

Submitted by: CLEPA

Meeting Sessions: 93rd GRPE session (14-17 Oct 2025)

Document date: 10 Oct 25

Document status: Superseded

Relevant to

UN Regulation No. 179 | Approval of vehicles with regard to the particle emissions of their braking system

View full document file for more information

Download from UNECE:

.pdf format

.docx format

Particle Measurement Programme: Minutes of the 55th (September 2025) session

Reference Number: PMP-55.2-09

Meeting Sessions: PMP-55.2 (26 Sep 2025)

Document date: 30 Sep 25

Relevant to

Download from UNECE:

.pdf format

Inputs for PMP meeting on 26th of September 2025

Reference Number: PMP-55.2-08

Submitted by: OICA

Meeting Sessions: PMP-55.2 (26 Sep 2025)

Document date: 29 Sep 25

Relevant to

GTR No. 24 | Laboratory Measurement of Brake Emissions for Light-Duty Vehicles and UN Regulation No. 179 | Approval of vehicles with regard to the particle emissions of their braking system

Download from UNECE:

.pdf format

Particle Measurement Programme: Minutes of the 55th (July 2025) session

Reference Number: PMP-55.1-14

Meeting Sessions: PMP-55.1 (10 Jul 2025)

Document date: 15 Jul 25

Relevant to

Download from UNECE:

.pdf format

Documents 2025 14 documents

10 Oct 2025 UN R: Laboratory Measurement of non-original and identical replacement brake parts with regards to particle emissions (CLEPA) GRPE-93-13

16 Oct 2025 UN Regulation No. [XXX] on the Laboratory Measurement of Brake Emissions for Light-Duty Vehicles : Proposal for amendments (EC, OICA, and UK) GRPE-93-48/Rev.1

17 Oct 2025 UN R Brake particle emissions of LDVs (OICA) GRPE-93-51/Rev.1

27 Nov 2025 Brake emissions: Proposal to amend the draft UN Regulation for application to ADS vehicles GRPE-TF-AVRS-30-11/Rev.1

19 Dec 2025 Brake particle measurement: Draft Supplement to enable application of the draft new UN Regulation to ADS vehicles GRPE-TF-AVRS-31-11/Rev.1

29 Sep 2025 Inputs for PMP meeting on 26th of September 2025 (OICA) PMP-55.2-08

30 Sep 2025 Particle Measurement Programme: Minutes of the 55th (September 2025) session PMP-55.2-09

15 Jul 2025 Particle Measurement Programme: Minutes of the 55th (July 2025) session PMP-55.1-14

13 Oct 2025 Particle Measurement Programme: Agenda for the 56th (October 2025) session PMP-56-01

15 Oct 2025 GTR 24 and UNR on brake emissions: Input for PMP informal group discussions (OICA) PMP-56-04

15 Oct 2025 Study on non-exhaust emissions in road transport (EMISIA) PMP-56-05

15 Oct 2025 GTR 24: Inter-laboratory Study #3: Summary (EC) PMP-56-06

27 Oct 2025 Particle Measurement Programme: Minutes of the 56th (October 2025) session PMP-56-08

29 Dec 2025 Brake particle measurement: Proposal for a new UN Regulation WP.29/2026/36

No matching documents.