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.”
During the 19th session
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.
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.
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.
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.
Draft text as updated during the 26th ADAS session.
Original document with in-session markup.
Original proposal with in-session markup.
Proposal as discussed and amended during the 27th ADAS task force session.
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