GAR | Coach Superstructure Strength

Reference Number:	TF-STU-17-02
Meeting Session(s):	17th TF-STU session (2 Jul)
Document date:	12 Aug 25
Regarding:	UN R151 Blind spot detection \| UN R158 Reversing Motion \| UN R159 MOIS \| VRU Proximity Awareness

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VRU Separate Technical Units: Agenda for the 17th (July 2025) session

Reference Number:	TF-STU-17-01
Meeting Session(s):	17th TF-STU session (2 Jul)
Document date:	02 Jul 25
Regarding:	UN R151 Blind spot detection \| UN R158 Reversing Motion \| UN R159 MOIS \| VRU Proximity Awareness

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UN R159: Working draft amendments for separate technical units

Reference Number:	TF-STU-18-06
Meeting Session(s):	18th TF-STU session (14-15 Jul)
Document date:	12 Aug 25
Regarding:	UN R159 MOIS

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Report of the 18th (July 2025) TF-STU task force session

Reference Number:	TF-STU-18-02
Meeting Session(s):	18th TF-STU session (14-15 Jul)
Document date:	12 Aug 25
Regarding:	UN R151 Blind spot detection \| UN R158 Reversing Motion \| UN R159 MOIS \| VRU Proximity Awareness

Download from UNECE:

.pdf format

VRU Separate Technical Units: Agenda for the 18th (July 2025) session

Reference Number:	TF-STU-18-01
Meeting Session(s):	18th TF-STU session (14-15 Jul)
Document date:	14 Jul 25
Regarding:	UN R151 Blind spot detection \| UN R158 Reversing Motion \| UN R159 MOIS \| VRU Proximity Awareness

Download from UNECE:

.pdf format

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Simplification of Lighting and Light-Signalling Regulations | Session 74...

Informal Working Group on Automated Driving Systems | Session 13 | 10-11...

Automotive Life Cycle Assessment | Session 26 | 10 Sep

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Latest Changes to Regulations

10 Jul 2025 UN R13-H Revision 4 | Amendment 6 (Light Vehicle Braking)

Regulation:	UN Regulation No. 13-H \| Light-Duty Vehicle Braking
Document:	Revision 4 \| Amendment 6
Corresponds to:	02 series of amendments (Entered into force on 12 Jun 2025)
Based on:	Document WP.29/2024/147 Proposal to align UN R13-H with technical advances and the emergence of a new type of braking system that employs stored electrical energy for both the control transmission and the energy transmission. Document WP.29-194-08

7 Jul 2025 UN R172 Corrigendum 1 (Traction/snow retreaded tyres)

Regulation:	UN Regulation No. 172 \| Retreaded tyres: Snow performance and/or traction classification
Document:	Corrigendum 1

13 Mar 2025 UN R172 UN R172 (Traction/snow retreaded tyres)

Regulation:	UN Regulation No. 172 \| Retreaded tyres: Snow performance and/or traction classification
Document:	UN R172
Corresponds to:	Original text (Entered into force on 10 Jan 2025)
Based on:	Document WP.29/2024/75

12 Mar 2025 UN R138 Revision 1 | Amendment 4 (Quiet Road Transport Vehicles)

Regulation:	UN Regulation No. 138 \| Quiet Road Transport Vehicles
Document:	Revision 1 \| Amendment 4
Corresponds to:	02 series of amendments (Entered into force on 10 Jan 2025)
Based on:	Document WP.29/2024/66 Proposal to specify the working principles of an Acoustic Vehicle Alerting System (AVAS) and to reduce measurement uncertainties during the measurement of the one third octave bands.

27 Jan 2025 UN R13-H Revision 4 | Amendment 5 (Light Vehicle Braking)

Regulation:	UN Regulation No. 13-H \| Light-Duty Vehicle Braking
Document:	Revision 4 \| Amendment 5
Corresponds to:	01 series of amendments \| Supplement 5 (Entered into force on 10 Jan 2025)
Based on:	Document WP.29/2024/59 Proposal to adapt the regulation to allow for the approval of vehicles equipped with both an Automated Driving System and a manual driving mode.

16 Dec 2024 UN R148 Revision 1 | Amendment 2 (Light-Signalling Devices)

Regulation:	UN Regulation No. 148 \| Light-Signalling Devices (LSD)
Document:	Revision 1 \| Amendment 2
Corresponds to:	01 series of amendments \| Supplement 2 (Entered into force on 22 Sep 2024)
Based on:	Document WP.29/2024/23 Proposal to clarify and correct the text and improve the definition of photometric stability.

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Reference Number:	GRSG-124-28
Submitted by:	Russia
Meeting Session(s):	124th GRSG session (11-14 Oct 2022)
Document date:	11 Oct 22
Document status:	Superseded
Regarding:	UN R66 Coach Superstructure Strength
View full document file for more information

Reference Number:	GRSG-123-29
Submitted by:	Russia
Meeting Session(s):	123rd GRSG session (28 Mar-1 Apr 2022)
Document date:	29 Mar 22
Regarding:	UN R66 Coach Superstructure Strength
View full document file for more information


11 Oct 2022	UN R66: Proposal for amendments (Russia)	GRSG-124-28	2022-10-11
29 Mar 2022	UN R66: Report on the informal meeting on the proposal for Supplement 11 to 02 series of amendments (Russia)	GRSG-123-29	2022-03-29