The World Forum for Harmonization of Vehicle Regulations, the technical body of the United Nations Economic Commission for Europe (Unece) that brings governments together for international vehicle type approval, adopted the first global regulation on automated driving systems (ADS) in Geneva on 24 June 2026. The text, accompanied by the related Global Technical Regulation (GTR) and 92 amendments to other rules already in force, applies to manufacturers seeking type approval for vehicles equipped with automated driving systems in countries that are parties to the 1958 Agreement on vehicle approvals. Under Unece practice, entry into force is expected around one month after formal notification to the contracting countries, probably by the summer.
The regulation sets out a shared validation methodology and requires automated driving systems to match or exceed the performance of a competent human driver. To demonstrate this, manufacturers will have to combine simulation with track testing and real-world road trials, verifying the robustness of the design and compliance with the Highway Code of each destination country. A safety management system subject to audit throughout the entire life cycle of the ADS is also required, while testing environments, including virtual simulation tools, must meet credibility criteria designed to rule out unreasonable safety risks.
The obligations introduced include the installation of data recording systems on vehicles equipped with ADS, intended to ensure traceability and accountability in the event of an accident. The measure complements UN Regulation No 160 on Event Data Recorders, already mandatory for light vehicles since 2022 and being extended to commercial vehicles between 2026 and 2029. On cybersecurity, the new framework is instead integrated with UN Regulations Nos 155 and 156, adopted in 2020 and relating respectively to cybersecurity management and remote software updates.
The adoption was accompanied by comments from Stefano Ammirati, Global Advocacy Director at Fia, who discussed the decision through the international federation’s official channel. The World Forum session, held from 23 to 26 June, concluded a preparatory process launched in February 2026, when Unece published the draft regulation that was later submitted for final adoption. In the same month, Unece’s Grva technical working group published a separate draft dedicated to Level 4 systems, involving fully autonomous driving without a driver on board, confirming that the regulatory process in this area remains open.
The new standard is designed to overcome the fragmentation of national rules that has so far forced manufacturers to negotiate authorisations country by country, complicating the international commercial deployment of automated vehicles. However, the global regulatory framework does not replace national rules already in force: the United States retains a decentralised approach based on state and local authorisations, Germany has applied the StVFernLV regulation on remote driving since December 2025, and the United Kingdom has its Automated Vehicles Act (AV Act) of 2024. All are set to coexist with the new UN standard.
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