Since January 2026, the group accepted proposals ADS-20-15, ADS-20-16, and ADS-20-48/Rev.1 for minor amendments. Working documents WP.29/2026/139 and WP.29/2026/137 were submitted for WP.29’s 199th session. Two informal documents (ADS-20-59 and ADS-20-60) will amend these working documents. GRVA seeks a three-year mandate extension for the informal group to address identified future work items beyond June 2026.
The Informal Working Group on Automated Driving Systems identified topics for future consideration organized into four lists: items not addressed in original versions of the GTR/UNR; existing items requiring amendment or improvement; items relating to operational implementation; and other items. List 1 includes remote assistance, ODD description taxonomy, external human-machine interface provisions, and connectivity considerations. List 2 includes ADS to ADAS transitions, Data Storage Systems for Automated Driving, ADS deactivation, in-service monitoring and reporting, and safety case requirements. List 3 addresses interpretation document improvements, mutual recognition provisions review, system updates and thresholds, and practical implementation of in-service monitoring. List 4 includes text streamlining to remove duplication and improve clarity.
This document is a draft Guidance and Interpretation Document (GID) for UN Global Technical Regulation and UN Regulation on Automated Driving Systems, based on GRVA/2026/3 as amended by GRVA-24-29 and WP.29-198-09. The GID provides explanatory text, guidance, and examples to support implementation of ADS requirements without introducing new obligations. It covers scope, definitions, application for approval, approval procedures, ADS performance requirements in nominal, critical, and failure situations, interactions between ADS and users, safety management systems, test environments including simulation credibility frameworks, safety case requirements, post-deployment safety monitoring with reportable occurrences, and compliance assessment procedures. The document clarifies terminology including operational states of ADS features, critical occurrences, driving situations, and mitigated risk conditions, and provides detailed guidance on ODD definition, safety case structure, confirmatory testing approaches, and in-service reporting templates with threshold definitions for critical occurrences.
Proposal to amend WP.29/2026/139 to amend para. 4.2.2.3.8.1. subparagraph (b) to replace “a the driving task relevant area” with “the driving task relevant area”, amend para. 6.3.2.2.3. to replace “approval authority” with “assessment”, amend Annex 5 table 5 rows 1 and 2 column 7 to replace “minimal risk manoeuvre” with “fallback to a mitigated risk condition” and remove brackets around deceleration threshold from 4 m/s², remove brackets in Annex 6 para. 5.3.1., and amend Annex 6 para. 5.3.2. table to insert “Mandatory” in row 1 column 2 and remove brackets after the table.
Proposal to amend ECE/TRANS/WP.29/2026/137: replace “[ADS]”, “[XXX]”, and “[number of this Regulation]” with the UN Regulation number upon adoption throughout Contents, Appendices, and Annexes; amend para. 1.2. cross-reference to read “7.2.3.17.”; amend para. 6.2.2.3.8.1.(b) to specify gaze directed to “the” driving task relevant area; remove brackets around “7.4.” in para. 11.2.; add period after number in Annex 1 para. 5.1.; amend Annex 1 Appendix 1 paras. 1.4.5., 1.4.7., and renumber 1.4.12., 1.4.12.1., 1.4.12.2. as 1.4.11.5., 1.4.11.5.1., 1.4.11.5.2.; amend Annex 7 table 5 rows 1–2 column 7 to replace “minimal risk manoeuvre” with “fallback to a mitigated risk condition”; remove brackets in Annex 8 para. 5.3.1. and amend para. 5.3.2. table to insert “Mandatory” in row 1.
The agenda for the 74th session of the Informal Working Group on Wet Grip of Worn Tyres scheduled for May 19th, 2026, remotely via Teams. The agenda includes welcome and opening remarks, adoption of the agenda and minutes of the previous 73rd session meeting held 31 March 2026, discussion of the workplan 2025 for C1 tyres status test campaign, and determination of the next meeting date.
LED replacement light sources without type approval are being sold online and offline and are unsafe for public roads; vehicles equipped with such products would fail PTI. LED replacement light sources with type approval are available either at national level or according to UN R37, and are safe and legal for public roads; vehicles equipped with approved LED replacement light sources shall NOT fail PTI. Approval marking on installed light sources is not accessible during PTI; verification may involve a sticker on headlamp housing, type approval documents, or packaging, with removal of the light source as a last resort to verify the approval marking.
Single N1 and N2 vehicles with fluted brake drums for parking brakes cannot be inspected on roller and plate test benches or in test drives. Electric parking brake systems cannot be tested on roller and plate test benches or test drives, and wheels cannot be turned on lifts to inspect for damages or bearing wear. Some vehicles have hydraulic braking systems with brake fluid reservoirs not accessible without dismantling or special tools, requiring removal of covers, fasteners, and screws to access brake fluid for inspection. PTI inspection provisions require updating to address these vehicle design variations.
Proposal to update vehicle-fuel identification symbols in alignment with ISO 17840-4, Part 4 (Propulsion energy identification) and to extent the scope of the fuel identification requirements to include N2 and N3 vehicles.
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