GAR | WP.29 Documents

Friday, 25 September 2026
Week 39

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Latest Documents

24 Sep 2026 | EV/HFCV Retrofit Systems: Minutes of the 11th (September 2026) sessi...

24 Sep 2026 | Tyre Abrasion: Agenda for the 52nd (October 2026) session | TA-52-01

24 Sep 2026 | Methodology for identifying AEBS performance gaps | AEBS2-03-07

24 Sep 2026 | Prioritization: Agenda for the 1st (September 2026) session | PRIO-0...

24 Sep 2026 | UN R169: Proposal to amend GRSG/2026/39 | GRSG-132-YY

24 Sep 2026 | UN R160: Proposal for a Supplement 3 | GRSG-132-XX

24 Sep 2026 | EV/HFCV Retrofit Systems: Agenda for the 12th (September 2026) sessi...

24 Sep 2026 | Data on night-time accidents in Japan involving AEBS | AEBS2-03-04

(39 posted during the past week)

EV/HFCV Retrofit Systems: Minutes of the 11th (September 2026) session

Reference Number: EV/HFCV-11-04

Minutes of the eleventh meeting of the IWG on EV/HFCV Retrofit Systems held on 9 September 2026. The group adopted the provisional agenda and reviewed the draft UN Regulation on EV/HFCV retrofit systems. Key discussions addressed the regulatory concept for approval of the Electric Powertrain Retrofit System combined with installation requirements and vehicle testing, vehicle scope including possible exclusion of older vehicles and those subject to UN Regulations Nos. 155 and 156, and confirmation that HFCV provisions would remain as placeholders for later development. The updated working document will be circulated before submission to GRPE in October 2026.

Submitted by: EV/HFCV

Meeting Sessions: 11th EV/HFCV session (9 Sep)

Document date: 24 Sep 26

Relevant to: UN Regulation No. 155 | Cyber Security and Cyber Security Management, UN Regulation No. 156 | Software Update Processes and Management Systems, and WP.29 Regulatory Project | Electric and Hydrogen Fuel-Cell Vehicle Retrofit Systems

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.docx format

Tyre Abrasion: Agenda for the 52nd (October 2026) session

Reference Number: TA-52-01

Draft agenda for the 52nd session of TFTA on 8 and 9 October 2026 in Brussels and remotely. The main target of the meeting is brainstorming on C3 test method. Discussion items include framing the C3 challenge, C3 tyre segmentation to categorise diverse tyre groups and duty cycles into manageable regulatory groups, methodological ideation for simplified C3 testing approaches, and funding and resource allocation. Additional items include C1 outcome discussion with Korean test centers regarding circuit SRTT abrasion level range and C2 status on ongoing test campaign.

Meeting Sessions: 52nd TA session (8-9 Oct)

Document date: 24 Sep 26

Relevant to: UN Regulation No. 186 | Tyre abrasion

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Methodology for identifying AEBS performance gaps

Reference Number: AEBS2-03-07

The document describes a project to identify Advanced Emergency Braking Systems (AEBS) performance gaps by analysing real-world collision data from UK national research and police databases. The study characterised collision cases against the requirements of UN Regulation No. 152, using STATS19 and RAIDS data sources. Cases were filtered for eligibility, then scored against current test scenarios using weighted collision characteristics including subject vehicle speed, target vehicle speed, relative speed, ambient light, and overlap. Results indicate the coverage provided by relevant test scenarios and identify which characteristics may address gaps in AEBS operational performance.

Submitted by: DfT

Meeting Sessions: 3rd AEBS2 session (24-25 Sep)

Document date: 24 Sep 26

Relevant to: UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles

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Prioritization: Agenda for the 1st (September 2026) session

Reference Number: PRIO-01-01

Provisional agenda for the first session of the Informal Working Group on Prioritization. The IWG will adopt its agenda, review context from WP.29-199 including the inception report, discuss draft terms of reference distinguishing final objectives such as improvements in safety, emissions, and security from proposed means to achieve them, consider reference documentation from WP.29 and related agreements, discuss prioritization by consolidating a numbered list of all Global Technical Regulation priorities for ranking by WP.29 members to identify common agreement and potential work items to pause, decide on a list of actions with assigned tasks and deadlines, and schedule the next meeting.

Meeting Sessions: 1st PRIO session (25 Sep)

Document date: 24 Sep 26

Relevant to: WP.29 Discussion Topic | Prioritization of Work under WP.29

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UN R169: Proposal to amend GRSG/2026/39

Reference Number: GRSG-132-YY

Final draft proposal to amend para. 1.4. to clarify that recording requirements depend on availability of the trigger or data element itself, amend para. 5.3.1.2. to permit the EDR to write last stop trigger data in volatile memory only, accommodating at least five most recent stops to be overwritten on a first-in first-out basis until any other trigger occurs or the vehicle master control switch is deactivated, and amend paras. 2.5., 2.48. and 2.49. for clarity and consistency with UN Regulation No. 160.

Submitted by: SG-EDR

Meeting Sessions: 48th SG-EDR session (15-16 Sep)

Document date: 24 Sep 26

Relevant to: UN Regulation No. 169 | Event Data Recorders (EDR) for heavy vehicles

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UN R160: Proposal for a Supplement 3

Reference Number: GRSG-132-XX

Final draft proposal to:

Amend para. 1.4. to clarify recording obligations for data elements when sensors lack design capability to meet format requirements,
Amend para. 2.20. to define engine throttle as driver-requested acceleration torque demand,
Amend para. 2.73. to define trigger activated,
Amend para. 5.4.3. to clarify crash test requirements and specify data retrievability after impacts of severity levels set by UN Regulations Nos. 94, 95 or 137,
Insert new paras. 12.12. through 12.17. establishing transitional provisions with dates from entry into force through 1 September 2035,
Amend Annex 4 Table 1 to add data elements including occupant size classification, vulnerable road user secondary safety system warning indicator status, and advanced driver distraction warning time since warning issued, with modified recording intervals, sample rates, and ranges for existing data elements.

Submitted by: SG-EDR

Meeting Sessions: 48th SG-EDR session (15-16 Sep)

Document date: 24 Sep 26

Relevant to: UN Regulation No. 160 | Event Data Recorders

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EV/HFCV Retrofit Systems: Agenda for the 12th (September 2026) session

Reference Number: EV/HFCV-12-01

Provisional agenda for the twelfth meeting of the IWG on EV/HFCV-RS to be held on 28 September 2026. The agenda covers adoption of the agenda, approval of minutes from the previous meeting, coordination and organization of work, power determination and battery range, UN draft documents, and any other business, with the next meeting scheduled for 8 October 2026.

Meeting Sessions: 12th EV/HFCV session (28 Sep)

Document date: 24 Sep 26

Relevant to: WP.29 Regulatory Project | Electric and Hydrogen Fuel-Cell Vehicle Retrofit Systems

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Data on night-time accidents in Japan involving AEBS

Reference Number: AEBS2-03-04

Presentation of traffic accident data for car-to-pedestrian collisions occurring at night in Japan. Approximately 65 to 70 per cent of traffic accidents for car to pedestrian in Japan occur at night-time. The data cover the 10-year period from 2015 to 2024 and analyse obstruction, pedestrian direction of crossing, collision point, walking speed, and age. Seventy per cent of pedestrians cross from the right at night. Accidents involving children aged 12 and under are extremely rare. Vehicle speeds range from 30 km/h to 60 km/h without obstruction and 40 km/h to 50 km/h with obstruction. The proportion of passenger cars equipped with AEBS night-time is approximately half.

Submitted by: Japan

Meeting Sessions: 3rd AEBS2 session (24-25 Sep)

Document date: 24 Sep 26

Relevant to: UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles

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