United Kingdom of Great Britain and Northern Ireland
1 Sep 2025 UN R155: Separate technical units, component approvals, and multistage vehicles (UK) TFCS-35-06 2025-09-01 UK
1 Sep 2025 UN R155: Proposal for a Supplement (software development and fleet operation) (UK) TFCS-35-07 2025-09-01 Proposal to address two gaps identified in the requirements of UNR 155 regarding:<ol class="alpha"><li>Software development and</li><li>Vehicle with an ADS Feature of Type 2 where vehicle operation is overseen by an organisation responsible for operating the vehicle or fleet of vehicles.</li></ol> UK