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Saturday, 11 April 2026
Week 15
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Upcoming Meetings

EqOP Task Force on Virtual Crash Testing | Session 14 | 13 Apr
Glare Prevention | Session 7 | 13 Apr
Working Party on General Safety | Session 131 | 13-17 Apr
Task Force on Vehicle Sound Limits | Session 20 | 14 Apr
EqOP Task Force on Restraint Requirements | Session 4 | 14 Apr
Real-Driving Additional Sound Emission Provisions | Session 12 | 14-16 ...
Special Interest Group on UN R157 | Session 17 | 15 Apr
Simplification of Lighting and Light-Signalling Regulations | Session 77...
Task Force on Substitute and Retrofit Light Sources | Session 27 | 20 Apr
Electric Vehicles and the Environment | Session 96 | 21-22 Apr
Electric and Hydrogen Fuel-Cell Vehicle Retrofit Systems | Session 8 | 2...
Special Interest Group on Emergency Door Openings | Session 5 | 21-23 ...
View complete calendar

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Latest Documents

10 Apr 2026 | UN R48: Baseline text for a 10 series of amendments | SLR-77-08
10 Apr 2026 | Vehicle Sound: Report of the 19th (February 2026) session | TFVS-19-...
10 Apr 2026 | EqOP Virtual Crash Testing: Agenda for the 14th (April 2026) session...
10 Apr 2026 | CS/OTA Task Force: Agenda for the 37th (April 2026) session | TFCS-3...
10 Apr 2026 | Review list-RD-ASEP database vehicles (v20) | RDASEP-TFDA-11-05
10 Apr 2026 | RDASEP Data Analysis task force: Summary of the 11th (April 2026) se...
10 Apr 2026 | List of Considerations on Changes to the RD-ASEP Specifications | RD...
10 Apr 2026 | Estimation of acceleration potential for ICE from vehicle data avail...
(64 posted during the past week)
UN R48: Baseline text for a 10 series of amendments
Reference Number: SLR-77-08

UN R48 baseline text for a 10 series of amendments proposes uniform provisions for vehicle lighting and light-signalling device installation approval. The document consolidates modifications agreed at working group session through dated amendment documents and resolutions. Pending issues include determining “[any] subsequent series” terminology for frozen regulations, renumbering and cross-checking paragraphs, addressing apparent surface visibility, improving daytime running lamp visibility against stop lamps, resolving “prohibited if not allowed” language, and numbering all figures with titles. Editorial polishing includes standardizing hyphenated terminology (“driving-beam,” “passing-beam,” “retro-reflector,” “direction-indicator lamp”), applying consistent UN Regulation references, replacing “communication sheet” with “communication form,” assigning table and figure numbers consistent with similar regulations, and correcting percentage notation to “per cent.”

Submitted by: GTB
Meeting Sessions: 77th SLR session (15-17 Apr)
Document date: 10 Apr 26
Relevant to: UN Regulation No. 48 | Installation of Lighting and Lighting-Signalling Equipment
View full document file for more information
Click here to view the full document file
Download from UNECE: .docx format
Vehicle Sound: Report of the 19th (February 2026) session
Reference Number: TFVS-19-07/Rev.1

During the 19th session

  • OICA commented on LEON-T project reports regarding tyre and powertrain noise contributions.
  • The European Environment Agency presented findings on transport noise exposure affecting over 100 million Europeans.
  • Norway presented a proposed 95 dB(A) noise limit for stationary vehicles under UN R51.
  • France proposed amending UN R28 to introduce soft audible warning devices for M and N category vehicles.
  • The task force suspended its cross-matrix activity and postponed discussion of L-category vehicles to the next session.

Meeting Sessions: 19th TFVS session (9 Feb)
Document date: 10 Apr 26
Relevant to: UN Regulation No. 28 | Audible Warning Devices and Signals and WP.29 Discussion Topic | Vehicle Sound
Click here to view the full document file
Download from UNECE: .docx format
EqOP Virtual Crash Testing: Agenda for the 14th (April 2026) session
Reference Number: EqOP-TF3-14-01/Rev.1

The agenda for the 14th session of Task Force Virtual Crash Testing covers approval of agenda and minutes, review of a progress dashboard, and a proposal for virtual testing introduced by France. Discussion items include assessment of Human Model readiness at various timeframes and feedback from HBM4VT network stakeholders. The session concludes with next steps and scheduling.

Meeting Sessions: 14th EqOP-TF3 session (13 Apr)
Document date: 03 Apr 26
Relevant to: WP.29 Discussion Topic | Equitable Occupant Protection
Click here to view the full document file
Download from UNECE: .pdf format
CS/OTA Task Force: Agenda for the 37th (April 2026) session
Reference Number: TFCS-37-01

The UN IWG on Cyber Security and OTA will meet April 21-22, 2026 via video conference. The agenda includes adoption of the provisional agenda and minutes from the previous session, proposals for amendments to UN R155 and its interpretation document regarding multistage vehicles and type approval authorities, review of cyber and software requirements in the ADS Regulation, discussion of RXSWIN application, renewal of the IWG mandate expiring November 2026, and confirmation of next steps.

Meeting Sessions: 37th TFCS session (21-22 Apr)
Document date: 10 Apr 26
Relevant to: United Nations Agreement | RE3 Construction of Vehicles, UN Regulation No. 155 | Cyber Security and Cyber Security Management, and UN Regulation No. 156 | Software Update Processes and Management Systems
Click here to view the full document file
Download from UNECE: .docx format
Review list-RD-ASEP database vehicles (v20)
Reference Number: RDASEP-TFDA-11-05
Meeting Sessions: 11th RDASEP-TFDA session (8 Apr)
Document date: 10 Apr 26
Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions
Click here to view the full document file
Download from UNECE: .xls format
RDASEP Data Analysis task force: Summary of the 11th (April 2026) session
Reference Number: RDASEP-TFDA-11-04

The Data Analysis task force met with limited participation from Japan, Netherlands, and the pilot. The group reviewed corrections made to vehicle load issues and reference speeds. They determined that corrections to PMR and L_urban calculations would be too time-consuming without adding substantial benefit and are not currently used by the model. A proposal for generic reference acceleration determination requires further assessment, as initial analysis indicates the formula overestimates acceleration potential. The data review process should be closed, so the official work with the database can start.

Meeting Sessions: 11th RDASEP-TFDA session (8 Apr)
Document date: 10 Apr 26
Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions
Click here to view the full document file
Download from UNECE: .docx format
List of Considerations on Changes to the RD-ASEP Specifications
Reference Number: RDASEP-TFDA-11-03/Rev.1

The Task Force Data Analysis has almost completed data revision for RD-ASEP specifications, identifying inconsistencies and proposing corrections. Key considerations include: updating database limits to UN R51.03 phase 3, clarifying vehicle reference speed interpretation, correcting reported loads exceeding 100%, selecting correct parameter tables, defining run interdependency, strengthening tyre rolling sound specifications, resolving minimum dynamic calculation inconsistencies, improving gear shifting detection, reconsidering sound level maximum basis, increasing performance validity threshold, accepting runs outside control range with manufacturer agreement, and reviewing AVAS term application for hybrid vehicles.

Meeting Sessions: 11th RDASEP-TFDA session (8 Apr)
Document date: 08 Apr 26
Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions
Click here to view the full document file
Download from UNECE: .docx format
Estimation of acceleration potential for ICE from vehicle data available in the database
Reference Number: RDASEP-TFDA-11-02
Meeting Sessions: 11th RDASEP-TFDA session (8 Apr)
Document date: 08 Apr 26
Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions
Click here to view the full document file
Download from UNECE: .pdf format
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Latest Documents (64 past week)
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GRPE-82-01/Rev.1
GRE-82: Schedule of informal meetings in conjunction with GRPE proper session
Source(s)
Date
12 Jan 2021
Status
Subject
  • GTR No. 2 WMTC
  • Electric Vehicles & the Environment
  • MR 3: VIAQ
  • GTR No. 18 L-OBD
  • GTR No. 23 L-vehicle Pollution Control Durability
  • NEPE
  • UN R168 RDE
  • GTR No. 22 EV Battery Durability
Meeting(s)
GRPE | Session 82 | 12-15 Jan 2021
Agenda item 1. Adoption of the agenda
Agenda item 3. (c) Worldwide harmonized Real Driving Emissions test procedure
Agenda item 7. Particle Measurement Programme (PMP)
Agenda item 9. (b) UN GTR on In-Vehicle Battery Durability
Agenda item 12. Vehicle Interior Air Quality (VIAQ)
Downloads
UNECE server
Related documents
Excerpts from session reports
GRPE | Session 82 | 12-15 Jan 2021

2. Mr. Rijnders, Chair of GRPE, opened the meeting, held as hybrid session, with all participants attending virtually because of the sanitary situation, and welcomed the participants. GRPE adopted the provisional agenda of the eighty-second session (ECE/TRANS/WP.29/GRPE/2021/1), as updated and consolidated in GRPE-82-02-Rev.2, and GRPE-82-03-Rev.2 as a tentative running order. GRPE took note of GRPE-82-01-Rev.1 on the organization of GRPE Informal Working Group (IWG) meetings held during the weeks prior to this meeting.

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