Braking and Steering
Braking and Steering
| UN R131: Proposal for a Supplement 3 to the 02 series of amendments | |
| Reference Number: WP.29/2025/141 | |
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Proposal to enable the use of virtual testing as an alternative to physical testing. |
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| Meeting Sessions: 197th WP.29 session (10-14 Nov 2025) | |
| Document date: 28 Aug 25 | |
| Document status: Adopted by WP.29 | |
| Relevant to: UN Regulation No. 131 | Advanced Emergency Braking Systems | |
| Adoption Vote | |
| This proposal (WP.29/2025/141) was adopted by the World Forum. Forty-one Contracting Parties out of the 50 applying UN R131 were present for the vote by AC.1. Forty-one voted in favor with zero against and zero abstaining. | |
| Click here to view the full document file | |
| UN R175: Proposal for a Supplement 1 | |
| Reference Number: WP.29/2025/145 | |
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Proposal to insert initialisation provision: “If ACPE is not ready to perform an intervention 6 s after the initiation of the vehicle powertrain, information of this status shall be indicated to the driver. This information shall exist until the system has been successfully initialised.” |
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| Meeting Sessions: 197th WP.29 session (10-14 Nov 2025) | |
| Document date: 29 Aug 25 | |
| Document status: Adopted by WP.29 | |
| Relevant to: UN Regulation No. 175 | Acceleration Control for Pedal Error | |
| Adoption Vote | |
| This proposal (WP.29/2025/145) was adopted by the World Forum. Forty-one Contracting Parties out of the 61 applying UN R175 were present for the vote by AC.1. Forty-one voted in favor with zero against and zero abstaining. | |
| Click here to view the full document file | |
| Periodical Technical Inspections: Agenda for the 40th (September 2025) session |
| Reference Number: PTI-40-01 |
| Meeting Sessions: 40th PTI session (9 Sep 2025) |
| Document date: 04 Sep 25 |
| Relevant to: UN Regulation No. 13 | Heavy-Duty Vehicle Braking, UN Rule No. 1 | Vehicle Inspections: Environmental Protection, WP.29 Discussion Topic | PTI-Automated Vehicles, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Periodical Technical Inspections for Advanced Driver Assistance Systems, WP.29 Discussion Topic | Electronic Technical Inspections, and WP.29 Discussion Topic | Periodical Technical Inspections for Heavy-duty Braking Systems |
| Click here to view the full document file |
| Periodical Technical Inspections: Minutes of the 39th (May 2025) session |
| Reference Number: PTI-39-06 |
| Meeting Sessions: 39th PTI session (28-29 May 2025) |
| Document date: 04 Sep 25 |
| Relevant to: UN Rule No. 2 | Vehicle Inspections: Roadworthiness, WP.29 Discussion Topic | PTI-Automated Vehicles, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Periodical Technical Inspections for Advanced Driver Assistance Systems, and WP.29 Discussion Topic | Periodical Technical Inspections for Heavy-duty Braking Systems |
| Click here to view the full document file |
| UN R79: Proposal for amendments |
| Reference Number: GRVA-23-05 |
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Proposal to require require manufacturers to provide a method for objectively determining the moment of “Risk Mitigation Function” (RMF) initiation to enable assessment of the RMF warning signals and other driver warnings, hazard lights, and indicators in relation to the objectively determined RMF initiation point. |
| Submitted by: France |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 09 Sep 25 |
| Relevant to: UN Regulation No. 79 | Steering Equipment |
| Click here to view the full document file |
| UN R157: Proposal for amendments to the original text and 01 series |
| Reference Number: GRVA-23-04 |
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Proposal to reinstate the obligation for the granting approval authority to inform corresponding authorities of other Contracting Parties before issuing an approval for an ALKS intended to operate within those corresponding markets, including evidence of ALKS competency to comply with the prevailing traffic rules (in accordance with Annex 1-Appendix 2). |
| Submitted by: Germany |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 09 Sep 25 |
| Document status: Informal GR review |
| Relevant to: UN Regulation No. 157 | Automated Lane-Keeping Systems (ALKS) |
| Click here to view the full document file |
| Fitness for ADS: Proposal for amendments to UN R131 |
| Reference Number: FADS-27-07 |
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Proposal to require automatic deactivation of AEBS upon activation of an ADS feature and automatic reactivation upon deactivation of an ADS feature. |
| Submitted by: UK |
| Meeting Sessions: 27th FADS session (11-12 Sep 2025) |
| Document date: 10 Sep 25 |
| Relevant to: UN Regulation No. 131 | Advanced Emergency Braking Systems and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| Fitness for ADS: Proposal for amendments to UN R152 |
| Reference Number: FADS-27-08 |
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Proposal to require automatic deactivation of AEBS upon activation of an ADS feature and automatic reactivation upon deactivation of an ADS feature. |
| Submitted by: UK |
| Meeting Sessions: 27th FADS session (11-12 Sep 2025) |
| Document date: 10 Sep 25 |
| Relevant to: UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| UN R130: Proposal for amendments to enable application to ADS vehicles |
| Reference Number: FADS-27-03/Rev.1 |
| Submitted by: EC |
| Meeting Sessions: 27th FADS session (11-12 Sep 2025) |
| Document date: 11 Sep 25 |
| Relevant to: UN Regulation No. 130 | Lane Departure Warning Systems and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| UN R139: Proposal for amendments to enable application to ADS vehicles |
| Reference Number: FADS-27-04/Rev.1 |
| Submitted by: EC |
| Meeting Sessions: 27th FADS session (11-12 Sep 2025) |
| Document date: 11 Sep 25 |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| Proposals to address automated vehicle stability and ESC |
| Reference Number: FADS-27-09 |
| Submitted by: CLEPA and OICA |
| Meeting Sessions: 27th FADS session (11-12 Sep 2025) |
| Document date: 11 Sep 25 |
| Relevant to: GTR No. 8 | Electronic Stability Control Systems, UN Regulation No. 140 | Electronic Stability Control Systems, WP.29 Regulatory Project | Automated Driving Systems, and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| UN R140: Draft amendments to enable application to ADS vehicles |
| Reference Number: FADS-27-06/Rev.1 |
| Submitted by: EC |
| Meeting Sessions: 27th FADS session (11-12 Sep 2025) |
| Document date: 11 Sep 25 |
| Relevant to: UN Regulation No. 140 | Electronic Stability Control Systems and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| Proposal for improvements to the AEBS Regulations |
| Reference Number: GRVA-23-06 |
| Submitted by: BASt |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 16 Sep 25 |
| Relevant to: UN Regulation No. 131 | Advanced Emergency Braking Systems, UN Regulation No. 151 | Blind-spot information systems (BSIS), UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles, and UN Regulation No. 175 | Acceleration Control for Pedal Error |
| Click here to view the full document file |
| Improving AEBS Reliability: Addressing false activation and driver intervention |
| Reference Number: GRVA-23-09 |
| Submitted by: France |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 16 Sep 25 |
| Relevant to: UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles |
| Click here to view the full document file |
| UN R13: Proposal to amend document GRVA/2025/39 |
| Reference Number: GRVA-23-14 |
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Proposal from the FADS informal group to amend its proposal to enable the application of UN R13 to automated vehicles, including those without manual controls. |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 18 Sep 25 |
| Relevant to: UN Regulation No. 13 | Heavy-Duty Vehicle Braking and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| UN R13-H: Proposal to amend document GRVA/2025/40 |
| Reference Number: GRVA-23-15 |
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Proposal from the FADS task force to amend its proposal to enable the application of UN R13-H to ADS vehicles. |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 18 Sep 25 |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| Proposal for defining pre-condition on the test of steering control effort with a failure |
| Reference Number: GRVA-23-12 |
| Submitted by: Korea |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 18 Sep 25 |
| Relevant to: UN Regulation No. 79 | Steering Equipment |
| Click here to view the full document file |
| UN R79: Proposal to amend document GRVA/2025/41 |
| Reference Number: GRVA-23-16 |
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Proposal from the FADS task force to amend its proposal to enable the application of UN R79 to ADS vehicles. |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 18 Sep 25 |
| Relevant to: UN Regulation No. 79 | Steering Equipment and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| UN R13-H: Proposal for amendments |
| Reference Number: GRVA/2025/46/Rev.1 |
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Proposal to clarify that only one braking control (e.g., service braking control, parking brake control) shall be used for each test condition of the secondary braking effectiveness and to permit the selection of the braking control based on the vehicle load condition. |
| Submitted by: OICA |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 19 Sep 25 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13 | Heavy-Duty Vehicle Braking |
| Click here to view the full document file |
| UN R13-H: Proposal for amendments |
| Reference Number: GRVA/2025/45/Rev.1 |
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Proposal to clarify that the Emergency Stop Signal (ESS) may be generated by application of the service braking system via the Electronic Parking Brake (EPB) control. |
| Submitted by: OICA |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 19 Sep 25 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking |
| Click here to view the full document file |
| UN R79: Proposal for Supplements to the 03 and 04 series of amendments |
| Reference Number: GRVA/2025/48/Rev.1 |
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Proposal to introduce transitional provisions pursuant to the adoption of Supplements by W.29 that inadvertently included changes to the approval requirements. |
| Submitted by: OICA |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 19 Sep 25 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 79 | Steering Equipment |
| Click here to view the full document file |
| UN R79: Background for proposal in GRVA/2025/48 |
| Reference Number: GRVA-23-20 |
| Submitted by: OICA |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 19 Sep 25 |
| Relevant to: UN Regulation No. 79 | Steering Equipment |
| Click here to view the full document file |
| UN R79: Proposal for amendments |
| Reference Number: GRVA-23-19 |
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Proposal to allow the driver to slow down the remote parking manoeuvre, including coming to a stop, earlier than intended by the system. |
| Submitted by: CLEPA and OICA |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 19 Sep 25 |
| Relevant to: UN Regulation No. 79 | Steering Equipment |
| Click here to view the full document file |
| FADS: Proposals to amend UN R89, R130, 131, 139, and 152 |
| Reference Number: GRVA-23-17 |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) and 28th FADS session (23-24 Oct 2025) |
| Document date: 19 Sep 25 |
| Relevant to: UN Regulation No. 89 | Speed Limitation Devices, UN Regulation No. 131 | Advanced Emergency Braking Systems, UN Regulation No. 130 | Lane Departure Warning Systems, UN Regulation No. 139 | Brake Assist Systems, UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles, and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| UN R152: Proposal for a Supplement to the 02 series of amendments |
| Reference Number: GRVA-23-08 |
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Proposal to introduce provisions for implementing the option (contained in footnote) for approval of certain “medium-duty” vehicles either under UN R152 (M1/N1) or UN R131 (M2/N2 /M3). The proposal aims to clarify terms and establish procedures for demonstrating equivalent performance. |
| Submitted by: France |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 22 Sep 25 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 131 | Advanced Emergency Braking Systems and UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles |
| Click here to view the full document file |