Informal document from the Informal Working Group on Real Driving – Additional Sound Emission Provisions replacing the formal proposal to update the RD-ASEP limit line following revisions of the test procedures implemented by the 05 series of amendments.
Informal document from the Informal Working Group on Real Driving – Additional Sound Emission Provisions to replace the formal document proposing a Supplement to the 05 series of amendments to clarify the application of the Annex 7 ASEP testing conditions of motorcycles.
This proposal (WP.29/2025/67) was adopted by the World Forum. Thirty-one Contracting Parties out of the 48 applying UN R9 were present for the vote by AC.1. Thirty-one voted in favor with zero against and zero abstaining.
This proposal (WP.29/2025/66) was adopted by the World Forum. Thirty-four Contracting Parties out of the 51 applying UN R41 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
This proposal (WP.29/2025/70) was adopted by the World Forum. Thirty-four Contracting Parties out of the 51 applying UN R41 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
This proposal (WP.29/2025/69) was adopted by the World Forum. Thirty-four Contracting Parties out of the 51 applying UN R41 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
UN R117: Proposal for Supplement 3 to the 04 series of amendments
Reference Number: WP.29/2025/76
Proposal to standardize provisions for the water depth measurement, reduce the track friction range requirements under the test procedures, clarfy that adhesion performance on wet surfaces (wet adhesion) is required not only for C1 tyres, but also C2 and C3 tyres, update the standards references to ASTM F2493-244, F3611-24, F3676-24, F3675-24 and ISO 4000-1:2024, align the definitions of tread groove and principal grooves with proposals for UN R30 and R54, simplify the wording of the requirements for professional off-road tyres, and correct the transitional provision in paragraph 12.23. to specify approvals “first issued after 31 August 2028”.
This proposal (WP.29/2025/76), as amended by para. 72, was adopted by the World Forum. Thirty-four Contracting Parties out of the 57 applying UN R117 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
This proposal (WP.29/2025/75) was adopted by the World Forum. Thirty-four Contracting Parties out of the 57 applying UN R117 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
UN R51: Proposal for corrections to the 03 series of amendments
Reference Number: R51/R138-08-02
This proposal concerns primarily amendments to Annex 7 of UN R51. The proposed changes are based on the 03 series of amendment to UN R51 up to Supplement 10.
UN R41: Proposal for a Supplement to the 04, 05 and 06 series of amendments
Reference Number: GRBP/2025/19
Proposal to clarify the gear selection procedure pursuant to the amendment to allow deviation from the reference acceleration awot,ref requirement for Conformity of Production tests.
UN R51: Proposal for corrections to the 03 series of amendments
Reference Number: GRBP/2025/20
Proposal to replace references to UN GTR 21 by its type-approval equivalent UN R177, provide transitional provisions pursuant to amendments introduced in Supplements 10 and 11, and clarify calibration provisions and procedure for system check (cf: ISO 362).
UN R117: Proposal for Supplement 4 to the 04 series of amendments
Reference Number: GRBP/2025/28
Proposal from the GRBP task force on Tyre Abrasion to delete provisions from UN R117 that are covered by the proposal for a new UN Regulation on tyre abrasion.
UN R51: Proposal for corrections to the 03 series of amendments
Reference Number: R51/R138-13-02
This proposal concerns primarily amendments to Annex 7 of UN Regulation No. 51. The proposed changes are based on the 03 series of amendment to UN Regulation No. 51 up to Supplement 10.
A proposal to meet the objective to reduce noise pollution (particularly in towns) and to be able to warn pedestrians, cyclists and others of the vehicle’s arrival with the least possible discomfort.
UN R51: Proposal for correction to 03 series of amendments
Reference Number: GRBP-82-23
Supplement 7 introduced an inconsistency in R51.03 Annex 8. As currently
written, it requires free-rolling tyre noise testing to be conducted in
accordance with both ISO 362-3:2016 and Annex 3, Appendix 3
UN R51: Proposal for a Supplement to the 03 Series of amendments
Reference Number: GRBP-82-08
By this proposal all types of electric vehicles (xEVs) are included in the provisions of ASEP (Annex 7) in UN Regulation No. 51. If applicable, input of the dedicated subgroup of IWG RD-ASEP has been incorporated.
UN R51: Proposal for a Supplement 11 to the 03 series of amendments
Reference Number: GRBP/2026/4
Proposal to introduce a “default mode”, to specify requirements to be applied to the emission of Enhanced Exterior Sound (EES), with the corresponding transitional provisions, and to draw a limit curve to introduce electric vehicles and hybrid electric vehicles that can be propelled without an internal combustion engine operating in the scope of ASEP (Annex 7).
UN R41: Proposal for a Supplement 5 to the 05 series of amendments
Reference Number: WP.29/2026/4
Proposal to clarify the gear selection procedure pursuant to the amendment to allow deviation from the reference acceleration awot,ref requirement for Conformity of Production tests.
UN R41: Proposal for a Supplement 1 to the 06 series of amendments
Reference Number: WP.29/2026/5
Proposal to clarify the gear selection procedure pursuant to the amendment to allow deviation from the reference acceleration awot,ref requirement for Conformity of Production tests.
UN R41: Proposal for a Supplement 13 to the 04 series of amendments
Reference Number: WP.29/2026/3
Proposal to amend paragraph 8.4 to allow Conformity of Production tests to use different acceleration values when environmental conditions or rider mass prevent achieving the reference acceleration (awot,ref ) with the same gear used during type approval testing.
7 Jan 2025Wet grip on worn tyres: Status of tyre-selection deliberationsWT-65-02
8 Jan 2025Participants list from the 65th Worn Tyres informal group sessionWT-65-04
8 Jan 2025Wet Grip on Worn Tyres: Minutes of the 65th (January 2025) sessionWT-65-03
13 Jan 2025RD-ASEP: UN R51 and R138 questions to be discussedR51/R138-03-09
13 Jan 2025R51/R138 Subgroup: Agenda for the 4th (January 2025) sessionR51/R138-04-01
13 Jan 2025RD-ASEP: Comments on corrections to the 03 series of amendmentsR51/R138-04-02
15 Jan 2025R51/R138 Subgroup: Minutes of the 3rd (December 2024) sessionR51/R138-03-08/Rev.1
15 Jan 2025UN R51: Proposal for an update of Supplement 11 to the 03 series of amendmentsR51/R138-04-03
16 Jan 2025UN R51: Draft consolidated revision for applicability to ADS vehiclesGRBP-TFAVRS-09-03/Rev.1
17 Jan 2025GRBP Automated Vehicle Regulation Screening: Report of the 8th (November 2024) sessionGRBP-TFAVRS-08-09
17 Jan 2025GRBP Automated Vehicle Regulation Screening: Report of the 9th (January 2025) sessionGRBP-TFAVRS-09-06
23 Jan 2025R51/R138 Subgroup: Agenda for the 5th (January 2025) sessionR51/R138-05-01
25 Jan 2025UN R41: Proposal to amend document GRBP/2025/5GRBP-81-02
25 Jan 2025UN R41: Proposal to amend document GRBP/2025/4GRBP-81-03
25 Jan 2025RD-ASEP informal group status report to GRBPGRBP-81-04
29 Jan 2025RD-ASEP, UN R51 and R138: Synthesis of discussionsR51/R138-05-02
29 Jan 2025Minutes of the 4th R51/R138 subgroup sessionR51/R138-05-03
30 Jan 2025RD-ASEP UN R51/R138 subgroup status report to GRBPR51/R138-05-04
4 Feb 2025Vehicle Sound: Report of the 16th (October 2024) sessionTFVS-16-06
5 Feb 2025Wet Grip on Worn Tyres: Agenda for the 66th (February 2025) sessionWT-66-01
6 Feb 2025Wet Grip on Worn Tyres: Comments on the proposed revisions to the terms of referenceWT-66-02
6 Feb 2025Supporting material for ETRTO working documentsGRBP-81-13/Rev.1
10 Feb 2025UN R51: Consolidated revision for ADS applicabilityGRBP-TFAVRS-10-03
12 Feb 2025List of GRBP prioritiesGRBP-81-17
12 Feb 2025UN R41: Proposal to amend document GRBP-81-02GRBP-81-15
12 Feb 2025Wet grip on worn tyres: Comments on document WT-66-02WT-66-03
14 Feb 2025R51/R138 Subgroup: Minutes of the 5th (January 2025) sessionR51/R138-05-05
14 Feb 2025UN R117: Measurement uncertainties reduction in rolling sound emission test methodTFVS-17-06
15 Feb 2025RD-ASEP Subgroup on UN-R 138 and UN-R 51: Status report to GRBPGRBP-81-18/Rev.1
15 Feb 2025UN R51: Consolidated revision for application to ADS vehiclesGRBP-81-20
15 Feb 2025UN R117: Measurement uncertainties reduction in rolling sound emission test methodGRBP-81-19
15 Feb 2025WGWT informal group: Proposal to amend the terms of referenceGRBP-81-22
15 Feb 2025WGWT informal group status report to GRBPGRBP-81-23
17 Feb 2025Group Of Interested Experts on UN R117 report to GRBPGRBP-81-26
18 Feb 2025Exterior Acoustic Signaling: Work in progressGRBP-81-31
18 Feb 2025UN R41: Proposal to supersede document GRBP/2025/7GRBP-81-29
18 Feb 2025UN R41: Proposal to supersede document GRBP/2025/6GRBP-81-30
18 Feb 2025Considerations on the use of existing road traffic noise models for GRBP workGRBP-81-28
18 Feb 2025UN R117: Proposal to supersede document GRBP/2025/12GRBP-81-08/Rev.1
18 Feb 2025UN R117: Proposal to supersede document GRBP/2025/13GRBP-81-09/Rev.1
19 Feb 2025RD-ASEP MonitoringGRBP-81-32/Rev.1
19 Feb 2025UN R51 and R138 RD-ASEP: Questions to be discussedR51/R138-05-06
21 Feb 2025UN R51: Testing of Electrified Vehicles (EV) under cruising and full acceleration situationGRBP-81-33/Rev.1
25 Feb 2025Wet grip on worn tyres anonymised listing for precision improvement testingWT-66-05
3 Mar 2025UN R51: Consolidated text with draft Annex 10 on ADS vehiclesGRBP-TFAVRS-11-04
10 Mar 2025Worn Tyres working group anonymised tyre testing listWT-66-04
10 Mar 2025Wet Grip on Worn Tyres: Minutes of the 66th (February 2025) sessionWT-66-06
10 Mar 2025Participants list: 66th (February) Wet Grip on Worn Tyres informal group sessionWT-66-07
13 Mar 2025R51/R138 Subgroup: Agenda for the 6th (March 2025) sessionR51/R138-06-01
18 Mar 2025UN R51/R138 RD-ASEP feedback from the 81st GRBP session and remaining questionsR51/R138-06-02
21 Mar 2025R51/R138 Subgroup: Agenda for the 7th (April 2025) sessionR51/R138-07-01
21 Mar 2025Wet Grip on Worn Tyres: Agenda for the 67th (March 2025) sessionWT-67-01
21 Mar 2025UN R138: Questions on RD-ASEP testsR51/R138-07-02
25 Mar 2025Wet braking of worn tires: Real-world assessment of regulatory requirementsWT-67-02
31 Mar 2025Wet grip on worn tyres: Template for Stage 1 test campaign data reportingWT-67-03
31 Mar 2025Wet grip on worn tyres: Anonymised status of tyre deliveriesWT-67-04
31 Mar 2025Participants list from the 67th Worn Tyres working group sessionWT-67-06
1 Apr 2025RD-ASEP: Minutes of the 5th (December 2024) sessionRDASEP-05-04
4 Apr 2025RD-ASEP: Agenda for the 6th (April 2025) sessionRDASEP-06-01/Rev.2
4 Apr 2025UN R51: Supplement 11-Timeline and Explanation of Changes in GRBP/2024/22R51/R138-07-03
5 Apr 2025Orientation slides for the 12th GRBP AVRS task force sessionGRBP-TFAVRS-12-02
5 Apr 2025UN R51: Annex 10- Adaptation for application to ADS vehiclesGRBP-TFAVRS-12-06
5 Apr 2025UN R165: Adaptation for application to ADS vehiclesGRBP-TFAVRS-12-05
9 Apr 2025UN R9: Proposal for Supplement 3 to the 08 series of amendmentsWP.29/2025/67
9 Apr 2025UN R41: Proposal for a 06 series of amendmentsWP.29/2025/66
9 Apr 2025UN R41: Proposal for Supplement 4 to the 05 series of amendmentsWP.29/2025/70
9 Apr 2025UN R41: Proposal for Supplement 12 to the 04 series of amendmentsWP.29/2025/69
9 Apr 2025RD-ASEP MonitoringRDASEP-06-02/Rev.3
10 Apr 2025R51/R138 Subgroup: Minutes of the 6th (March 2025) sessionR51/R138-06-03
10 Apr 2025UN R51: Proposal for corrections to the 03 seriesR51/R138-07-04
10 Apr 2025UN R51: Comments on proposed corrections (Supplement 11 to 03 series)R51/R138-07-05
10 Apr 2025UN R117: Proposal for Supplement 3 to the 04 series of amendmentsWP.29/2025/76
10 Apr 2025UN R117: Proposal for Supplement 17 to the 02 series of amendmentsWP.29/2025/75
22 Apr 2025UN R51: Proposal for a Supplement to the 03 seriesGRBP-TFAVRS-13-05
22 Apr 2025UN R165: Two column overview of proposed changes for applicability to ADS vehiclesGRBP-TFAVRS-13-04
23 Apr 2025UN R51: Draft special provisions for the testing of vehicles equipped with an ADS GRBP-TFAVRS-12-07
23 Apr 2025UN R165: Draft special provisions for the testing of vehicles equipped with an ADSGRBP-TFAVRS-13-03
30 Apr 2025R51/R138 Subgroup: Agenda for the 8th (April 2025) sessionR51/R138-08-01
30 Apr 2025UN R51: Proposal for corrections to the 03 series of amendments R51/R138-08-02
30 Apr 2025UN R51: Comments on the draft proposal for a Supplement 11 to the 03 seriesR51/R138-08-03
21 May 2025JRC findings of non-compliance of tyresWT-68-02
21 May 2025VESevo: Viscoelasticity Evaluation System-EvolvedWT-68-03
22 May 2025Wet Grip on Worn Tyres: Minutes of the 67th (March 2025) sessionWT-67-05/Rev.1
22 May 2025Wet Grip on Worn Tyres: Agenda for the 68th (May 2025) sessionWT-68-01/Rev.2
22 May 2025Status of tyre deliveries (anonymised)WT-68-04/Rev.2
26 May 2025R51/R138 Subgroup: Agenda for the 9th (June 2025) sessionR51/R138-09-01
26 May 2025R51/R138 Subgroup: Minutes of the 8th (April 2025) sessionR51/R138-08-04
3 Jun 2025Tyre abrasion: Draft amendments to UN R117TA-34-06
4 Jun 2025UN R138: Structuring proposal for 03 seriesR51/R138-09-02
5 Jun 2025Key points on exterior sound enhancement testing requirementsR51/R138-10-02
5 Jun 2025R51/R138 Subgroup: Agenda for the 10th (June 2025) sessionR51/R138-10-01
5 Jun 2025UN R51: Proposal for corrections to the 03 seriesR51/R138-10-04
5 Jun 2025UN R51: Proposal for corrections to the 03 seriesR51/R138-09-03
5 Jun 2025UN R51: Proposal for corrections to the 03 seriesR51/R138-09-04
7 Jun 2025Tyre Abrasion: Minutes of the 34th (June 2025) sessionTA-34-10
18 Jun 2025Tyre Abrasion: Agenda for the 35th (June 2025) sessionTA-35-01
18 Jun 2025UN R117: Draft proposal for amendments on tyre abrasion (final review)TA-35-03
19 Jun 2025UN R28: Proposal for Supplement 7 GRBP/2025/23
19 Jun 2025UN R41: Proposal for a Supplement to the 04, 05 and 06 series of amendmentsGRBP/2025/19
19 Jun 2025UN R51: Proposal for corrections to the 03 series of amendmentsGRBP/2025/20
19 Jun 2025UN R138: Proposal for Supplement 2 to the 02 series of amendmentsGRBP/2025/24
19 Jun 2025UN R165: Proposal for Supplement 1GRBP/2025/22
20 Jun 2025Results of State Surveillance of TrucksWP.29-196-08
20 Jun 2025R51/R138 Subgroup: Minutes of the 10th (June 2025) sessionR51/R138-10-03
20 Jun 2025Vehicle external sound: Questions to be discussedR51/R138-11-02
20 Jun 2025Proposal for Exterior Sound Enhancement System (ESES) requirementsR51/R138-11-03
20 Jun 2025Key points on Exterior Sound Enhancement Systems/Exterior Sound Generator requirementsR51/R138-11-01
20 Jun 2025UN R51: Proposal for a Supplement to the 03 series of amendmentsGRBP/2025/29
20 Jun 2025UN R51: Proposal for a Supplement to the 03 series of amendmentsGRBP/2025/25
20 Jun 2025UN R117: Proposal for Supplement 4 to the 04 series of amendmentsGRBP/2025/26
23 Jun 2025UN R117: Proposal for Supplement 4 to the 04 series of amendmentsGRBP/2025/28
24 Jun 2025RD-ASEP: Agenda for the 7th (July 2025) sessionRDASEP-07-01
24 Jun 2025Update to GRPE on submission of a new UN Regulation on tyre abrasion performance of C1 tyres TA-35-04
24 Jun 2025Tyre abrasion: Comments on task force submission to GRBPTA-35-05
27 Jun 2025Wet Grip on Worn Tyres: Minutes of the 68th (May 2025) sessionWT-68-05
27 Jun 2025Worn tyres: Participants list from the 68th informal group sessionWT-68-06
1 Jul 2025R51/R138 Subgroup: Agenda for the 12th (July 2025) sessionR51/R138-12-01
1 Jul 2025Background on proposal for setting sound limitsR51/R138-12-02
4 Jul 2025Tyre Abrasion: Agenda for the 36th (July 2025) sessionTA-36-01
7 Jul 2025Tyre Abrasion: Minutes of the 35th (June 2025) sessionTA-35-06
7 Jul 2025Tyre abrasion: Positions on remaining key elements for agreementTA-36-05
7 Jul 2025Tyre Abrasion: Minutes of the 33rd (May 2025) sessionTA-33-17
8 Jul 2025Minutes of drafting group on UN R51 and EV sound provisions (UN R51/UN R138)R51/R138-12-03
9 Jul 2025Background Information on document GRBP/2025/29TFVS-18-04
10 Jul 2025UN R51: Draft proposal for corrections to the 03 series of amendments R51/R138-12-04
11 Jul 2025Considerations for strengthening RD-ASEP provisionsRDASEP-07-02/Rev.1
18 Jul 2025UN R138: Draft proposal to amend document GRBP/2025/24GRBP-TFAVRS-17-05
18 Jul 2025UN R165: Draft proposal to amend document GRBP/2025/22GRBP-TFAVRS-17-04
25 Jul 2025RD-ASEP: Minutes of the 6th (April 2025) sessionRDASEP-06-03/Rev.2
28 Jul 2025Technical Background dLASEP Term R51/R138-12-05
1 Aug 2025R51/R138 Subgroup: Agenda for the 13th (August 2025) sessionR51/R138-13-01
1 Aug 2025UN R51: Proposal for corrections to the 03 series of amendments R51/R138-13-02
1 Aug 2025UN R51: Draft proposal to amend document GRBP/2025/29R51/R138-13-03
1 Aug 2025UN R51: Proposal for corrections to the 03 series of amendmentsR51/R138-13-04
1 Aug 2025UN R51: Draft guidance on interpretation of the footnote on generated soundsR51/R138-13-05
1 Aug 2025UN R51: Comments on draft Supplement proposal (Annex 7)R51/R138-13-07
1 Aug 2025UN R51: Comments on the draft text for Supplement 11R51/R138-13-08
4 Aug 2025UN R51: Comments on the draft text for Supplement 11R51/R138-13-09
14 Aug 2025UN R138: Draft amendment on AVAS sound levelsR51/R138-13-06/Rev.1
15 Aug 2025R51/R138 Subgroup: Minutes of the 11th (June 2025) sessionR51/R138-11-04/Rev.1
15 Aug 2025R51/R138 Subgroup: Minutes of the 13th (August 2025) sessionR51/R138-13-11
15 Aug 2025RD-ASEP: Minutes of the 7th (July 2025) sessionRDASEP-08-04
15 Aug 2025R51/R138 Subgroup: Minutes of the 12th (July 2025) sessionR51/R138-12-06
19 Aug 2025Wet Grip on Worn Tyres: Agenda for the 69th (August 2025) sessionWT-69-01
20 Aug 2025Tyre Abrasion: Minutes of the 36th (July 2025) sessionTA-36-11
22 Aug 2025UN R51: Draft proposal to amend document GRBP/2025/25GRBP-TFAVRS-17-06/Rev.1
25 Aug 2025Assessment on removing C2-C3 provisions from wet grip worn tyre provisionsWT-69-02
25 Aug 2025Wet Grip on Worn Tyres: Proposal to amend the informal group terms of referenceWT-69-03
25 Aug 2025Worn tyres: deliveries and testing statusWT-69-04
26 Aug 2025UN R28: Soft hornsGRBP-82-05
26 Aug 2025IWG RD ASEP: Status ReportGRBP-82-03/Rev.1
26 Aug 2025UN R51: Background to the proposal for Supplement to 03 series of amendmentGRBP-82-06
28 Aug 2025UN R28: Proposal for Supplement 7 to the 00series of amendmentsGRBP-82-13
28 Aug 2025UN R51: Proposal for a Supplement to the 03 series of amendmentsGRBP-82-15/Rev.1
28 Aug 2025UN R51: Comments on the draft Supplement 11 (exterior sound systems)R51/R138-13-10
28 Aug 2025UN R138: Proposal for Supplement 2 to the 02 Series of amendmentsGRBP-82-14
28 Aug 2025UN R165: Proposal for Supplement 1 to the 00 series of amendmentsGRBP-82-12
31 Aug 2025Measurement Uncertainties when testing to Noise and Tyre RegulationsGRBP-82-18
31 Aug 2025Measurement Uncertainties: Background presentation on testing to Noise and Tyre regulationsGRBP-82-19
1 Sep 2025UN R51: Proposal for a Supplement to 03 series of amendmentsGRBP-82-07
1 Sep 2025UN R51: Proposal for correction to 03 series of amendmentsGRBP-82-23
1 Sep 2025R51/R138 Subgroup: Agenda for the 14th (September 2025) sessionR51/R138-14-01
1 Sep 2025RD-ASEP UN R51/138 subgroup draft status report to GRBPR51/R138-14-02
1 Sep 2025UN R51: Comments on corrections to the 03 series of amendmentsR51/R138-14-03
1 Sep 2025UN R51: Draft proposal to amend working document GRBP/2025/29R51/R138-14-04
1 Sep 2025UN R117: Tyre Abrasion; Position on open points for C1 limit settingsGRBP-82-24
1 Sep 2025UN R117: Tyre Abrasion, Position of the European Tyre Industry on Abrasion Limits Setting in view of Euro 7 Regulation implementationGRBP-82-25
1 Sep 2025Work on Exterior Acoustic Signalling Status ReportGRBP-82-21
2 Sep 2025RDASEP draft status report to GRBP-82RDASEP-08-02/Rev.1
2 Sep 2025UN R51: Proposal for Supplement to 03 Series of amendmentsGRBP-82-22
2 Sep 2025IWG RD-ASEP Subgroup on UN Regulations Nos. 51 and 138): Status reportGRBP-82-35
2 Sep 2025RDASEP: Data analysis work package discussionRDASEP-08-03
2 Sep 2025UN R117: Proposal for a Supplement 4 to the 04 Series of amendmentsGRBP-82-26
2 Sep 2025UN R117: Proposal for Supplement 4 to the 04 Series of amendmentsGRBP-82-27
2 Sep 2025IWG for Wet Grip on Worn Tyres (WGWT): Status ReportGRBP-82-31
2 Sep 2025IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of ReferenceGRBP-82-32
2 Sep 2025Draft Tyre Abrasion task force status report to GRBPTA-37-25
3 Sep 2025UN R51: Proposal for a Supplement to the 03 Series of amendmentsGRBP-82-08
3 Sep 2025UN R51: Supporting information for the proposal for Supplement to 03 Series of amendmentsGRBP-82-09
3 Sep 2025UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status ReportGRBP-82-28
4 Sep 2025UN R51: Application of ASEP for EVsGRBP-82-38
4 Sep 2025UN R51: Short term steps to deliver a supported EV-ASEP proposalGRBP-82-39
8 Sep 2025RD-ASEP: Agenda for the 8th (September 2025) sessionRDASEP-08-01/Rev.1
22 Sep 2025RDASEP Data Analysis task force: Agenda for the 1st (September 2025) sessionRDASEP-TFDA-01-01/Rev.1
25 Sep 2025Wet Grip on Worn Tyres: Minutes of the 69th (August 2025) sessionWT-69-05
25 Sep 2025Worn tyres: Participants list from the 69th informal group sessionWT-69-06
27 Sep 2025Wet Grip on Worn Tyres: Agenda for the 70th (October 2025) sessionWT-70-01
28 Sep 2025RD-ASEP: Monitoring data additional cleaningRDASEP-TFDA-01-02
28 Sep 2025RD-ASEP: Monitoring data additional cleaningRDASEP-TFDA-01-03
28 Sep 2025RDASEP Data Analysis task force: Agenda for the 2nd (October 2025) sessionRDASEP-TFDA-02-01
8 Oct 2025RD-ASEP: Proposal for data analysis work planRDASEP-TFDA-02-02
10 Oct 2025RD-ASEP: Agenda for the 9th (October 2025) sessionRDASEP-09-01
14 Oct 2025R51/R138 Subgroup: Agenda for the 15th (October 2025) sessionR51/R138-15-01
14 Oct 2025UN R51: Amendments to the draft Supplement to the 03 seriesR51/R138-15-02
14 Oct 2025RDASEP Data Analysis task force: Summary of the 1st (September 2025) sessionRDASEP-TFDA-01-04
14 Oct 2025RD-ASEP monitoring database check: Discussion pointsRDASEP-TFDA-02-04
14 Oct 2025Worn tyres: Status of tyre deliveries and testingWT-70-02
16 Oct 2025RD-ASEP data analysis: Recalculating expected sound levelsRDASEP-TFDA-02-03/Rev.1
16 Oct 2025RDASEP Data Analysis task force: Summary of the 2nd (October 2025) sessionRDASEP-TFDA-02-05
20 Oct 2025UN R51: Working draft 04 series of amendmentsRDASEP-09-02
21 Oct 2025UN R51: Proposals to amend documents GRBP/2025/29 and GRBP-82-08R51/R138-15-03
21 Oct 2025Data Analysis task force report to the RD-ASEP informal groupRDASEP-TFDA-02-06
22 Oct 2025UN R51: Proposals for amendments based on GRBP/2025/29R51/R138-15-04
22 Oct 2025UN R51: Proposal for amendmentsRDASEP-09-03/Rev.1
22 Oct 2025UN R51: Background information on ICCT proposalRDASEP-09-04/Rev.1
22 Oct 2025UN R138: Subgroup discussion on AVAS and EESR51/R138-15-05
24 Oct 2025RDASEP Data Analysis task force: Agenda for the 3rd (October 2025) sessionRDASEP-TFDA-03-01
28 Oct 2025RD-ASEP data analysis: Commenting Table on Individual Vehicles in RD-ASEP DatabaseRDASEP-TFDA-03-02
28 Oct 2025RDASEP Data Analysis task force: Summary of the 3rd (October 2025) sessionRDASEP-TFDA-03-03
29 Oct 2025Tyre Abrasion: Agenda for the 38th (October 2025) sessionTA-38-01/Rev.1
29 Oct 2025Mileage estimation for C1 tyresTA-38-07
30 Oct 2025Tyre abrasion: Outcomes of GRPE-82TA-38-08
4 Nov 2025RDASEP Data Analysis task force: Agenda for the 4th (November 2025) sessionRDASEP-TFDA-04-01
5 Nov 2025Non-compliance of commercial vehicles with UN RegulationsWP.29-197-10
5 Nov 2025Results from measuring external noise of trucks (UN R51.02)WP.29-197-11
10 Nov 2025RDASEP Data Analysis task force: Summary of the 4th (November 2025) sessionRDASEP-TFDA-04-02
10 Nov 2025R51/R138 Subgroup: Agenda for the 16th (November 2025) sessionR51/R138-16-01
10 Nov 2025UN R51: Comments on draft provisions to amend the regulationR51/R138-16-02
10 Nov 2025Worn Tyres informal group: Participants list from the 70th sessionWT-70-04
10 Nov 2025Wet Grip on Worn Tyres: Minutes of the 70th (October 2025) sessionWT-70-03
12 Nov 2025Non-conformities detected on E9 approved trucksWP.29-197-26
18 Nov 2025Wet Grip on Worn Tyres: Agenda for the 71st (November 2025) sessionWT-71-01
25 Nov 2025Wet grip on worn tyres: Status of tyre deliveries and validation testingWT-71-02
25 Nov 2025Wet Grip on Worn Tyres: Minutes of the 71st (November 2025) sessionWT-71-03
26 Nov 2025UN R51: Proposal for corrections to the 03 series of amendmentsGRBP/2026/13
27 Nov 2025UN R51: Proposal for a Supplement 11 to the 03 series of amendmentsGRBP/2026/4
27 Nov 2025UN R51: Proposal for a Supplement to the 03 series of amendmentsGRBP/2026/5
27 Nov 2025UN R51: Proposal for a Supplement 11 to the 03 series of amendments GRBP/2026/14
28 Nov 2025UN R117: Proposal for a Supplement 4 to the 04 series of amendments GRBP/2026/6
1 Dec 2025R51/R138 Subgroup: Agenda for the 17th (December 2025) sessionR51/R138-17-01
1 Dec 2025UN R51: Working draft proposal to amend document GRBP/2026/4R51/R138-17-02
1 Dec 2025UN R51: Proposal for Supplement 11 to the 03 series of amendments R51/R138-17-03
5 Dec 2025RDASEP Data Analysis task force: Agenda for the 5th (December 2025) sessionRDASEP-TFDA-05-01/Rev.1
5 Dec 2025RD-ASEP: Considerations for Sound Expected ModelRDASEP-TFDA-05-02
8 Dec 2025UN R51: Input on transitional provisions for Supplement 11 to the 03 seriesR51/R138-17-04
8 Dec 2025UN R51: Background Information on EV specificationsR51/R138-17-05
8 Dec 2025UN R51: Proposal to amend GRBP/2026/4 (Supplement 11 to the 03 series)R51/R138-17-06
10 Dec 2025RD-ASEP: Minutes of the 9th (October 2025) sessionRDASEP-09-05
10 Dec 2025UN R51: Updated proposal to amend GRBP/2026/4 (Supplement 11 to the 03 series)R51/R138-17-07
10 Dec 2025UN R51: Updated proposal for a Supplement 11 to the 03 series of amendmentsR51/R138-17-08
11 Dec 2025RD-ASEP: Agenda for the 10th (December 2025) sessionRDASEP-10-01
11 Dec 2025RD-ASEP issues listRDASEP-10-02
11 Dec 2025UN R51: Working draft for a 04 series of amendmentsRDASEP-10-03
11 Dec 2025RD-ASEP informal group 2026 calendarRDASEP-10-04
19 Dec 2025UN R41: Proposal for a Supplement 5 to the 05 series of amendmentsWP.29/2026/4
28 Dec 2025Considerations for the design of the RD-ASEP control rangeRDASEP-10-05
30 Dec 2025UN R41: Proposal for a Supplement 1 to the 06 series of amendmentsWP.29/2026/5
31 Dec 2025UN R41: Proposal for a Supplement 13 to the 04 series of amendmentsWP.29/2026/3
Vehicle and Tyre Noise