Draft technical specifications establish mandatory ADS marker lamps on motor vehicles of categories M1–M3, N1–N3, L6, and L7, with front and rear lamps mandatory and side lamps mandatory or optional depending on vehicle length. Front lamps require daytime photometry of 50–300 cd and nighttime 10–125 cd; rear lamps require 20–120 cd daytime and 4–42 cd nighttime. Side lamps vary by type. All lamps are blue-green turquoise, mounted at minimum 250 mm height, and activate automatically only in fully automated mode with manual switching prohibited.
The document is an agenda for the 31st meeting of the GRE Taskforce on Autonomous Vehicle Signalling Requirements, scheduled for 18 June 2026 from 09:00 to 13:00 CEST via WebEx. The agenda includes welcome remarks, introduction of participants, adoption of the agenda (AVSR-31-01), approval of the report of the 29th meeting (AVSR-30-05), a report from GRE-94 / TF FADS (GRE-94-23), discussion of ADS marker lamps including Japanese input and a draft hybrid regulation proposal (AVSR-28-02, AVSR-30-03, AVSR-31-02/-03), miscellaneous items, working plan for future steps, and next meeting arrangements. Japan has offered to host a September meeting in Tokyo.
The sixteenth GRVA Workshop on ADS was held online on 20 March 2026 with 52 participants. The workshop adopted the agenda and minutes of the previous workshop. Experts presented updates on the guidance document covering testing provisions, In-Service Monitoring and Reporting, user interactions, Operational Design Domain, approval sections, and Safety Management System. The next workshop would be organized as a joint meeting with the IWG on ADS in Bangkok.
Proposal to amend explanatory text for UNR paragraph 3.2.3. (b) to clarify that the manufacturer should explain how they determine and apply the concept of the safety level of the ADS being at least to the level of a competent and careful human driver, accounting for national specificities, and that there may be different approaches used in applying this concept, including reference driver based approaches and behaviour-based approaches.
Proposal to amend guidance on continuous improvement processes in para. 7.1.8.2. by inserting text stating that post-deployment safety analyses are systematically performed for all occurrences; however, their conclusions do not necessarily result in the identification of a corrective action from the manufacturer, modifying text to state that not all identified corrective or preventive actions need to be implemented in order to close an occurrence, and replacing text to state decisions on what to address and how are based on an overall assessment of the consequences and the impact of implementing a change.
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