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.

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

Document date: 29 Dec 25

Document status: Formal WP.29 review

Relevant to

WP.29 Regulatory Project | Approval of vehicles with regard to the particle emissions of their braking system

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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

WP.29 Regulatory Project | Approval of vehicles with regard to the particle emissions of their braking system

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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

WP.29 Regulatory Project | 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

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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

WP.29 Regulatory Project | Approval of vehicles with regard to the particle emissions of their braking system

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.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

WP.29 Regulatory Project | 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

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

WP.29 Regulatory Project | 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

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 WP.29 Regulatory Project | Approval of vehicles with regard to the particle emissions of their braking system

Download from UNECE:

.pdf format


10 Oct 2025	UN R: Laboratory Measurement of non-original and identical replacement brake parts with regards to particle emissions (CLEPA)	GRPE-93-13	2025-10-10
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	2025-10-16
17 Oct 2025	UN R Brake particle emissions of LDVs (OICA)	GRPE-93-51/Rev.1	2025-10-17
27 Nov 2025	Brake emissions: Proposal to amend the draft UN Regulation for application to ADS vehicles	GRPE-TF-AVRS-30-11/Rev.1	2025-11-27
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	2025-12-19
29 Sep 2025	Inputs for PMP meeting on 26th of September 2025 (OICA)	PMP-55.2-08	2025-09-29
29 Dec 2025	Brake particle measurement: Proposal for a new UN Regulation	WP.29/2026/36	2025-12-29