United Kingdom of Great Britain and Northern Ireland
6 Nov 2018 ALKS: Determination of operating speed (UK) ACSF-20-14 2018-11-06 UK
9 Apr 2019 ALKS detection range: 1958 Agreement and 1998 Agreement draft texts (Canada and UK) ACSF-22-12 2019-04-09 Canada UK
29 Jan 2020 Draft ALKS UN Regulation matrix of test procedures (version 3) (UK) ACSF-25-22 2020-01-29 UK
29 Jan 2020 ALKS: Communication form (UK) ACSF-25-24 2020-01-29 UK
23 Aug 2021 UN R157: Proposal for amendments to GRVA-10-36 (UK and EC) EDR-DSSAD-14-01 2021-08-23 Proposals regarding DSSAD provisions. UK EC
16 Oct 2025 UN R157: Proposal for amendments to enable application to ADS vehicles (UK) FADS-28-02 2025-10-16 Proposal to amend the scope to specify that UN R157 would not apply to an ALKS approved as an ADS feature under the forthcoming regulation on Automated Driving Systems. UK
2 Mar 2020 Proposal for additional requirements to the ALKS Regulation (GRVA-06-02) (UK) GRVA-06-11 2020-03-02 This document outlines the UK’s latest proposals to permit a lane change function during a minimum risk manoeuvre or emergency manoeuvre as part of the forthcoming ALKS Regulation. UK
22 Sep 2020 UN R157: Proposal for amendments to document GRVA/2020/33 (UK) GRVA-07-62 2020-09-22 UK
1 Feb 2021 UN R157 special interest group: Notes from the 15 January 2021 meeting (EC, Germany, and UK) GRVA-09-22 2021-02-01 EC Germany UK
2 Feb 2021 UN R157: Considerations in the implementation of ALKS (DfT and UK) GRVA-09-33 2021-02-02 DfT UK
4 Feb 2021 UN R156 and UN R157: Alternative proposal to document GRVA-09-09 (UK) GRVA-09-40 2021-02-04 UK
17 May 2024 UN R79 and R157: Proposal for amendments to document GRVA/2024/16 (UK) GRVA-19-33/Rev.1 2024-05-17 UK
25 Sep 2024 UN R157: Proposal for amendments to GRVA/2024/30 and GRVA/2024/40 (UK) GRVA-20-42 2024-09-25 Proposal for revised provisions concerning initiation of the powertrain and run cycle. UK
18 May UN R157: Proposal to amend GRVA/2026/13 (UK) GRVA-25-29 2026-05-18 Proposal to amend GRVA/2026/13 and the 00 and 01 series of amendments of UN Regulation No. 157, modify the Introduction to remove reference to 60 km/h maximum speed and change "override" to "deactivate", amend para. 5.1.1. to clarify that the activated system shall be free of unreasonable risks for both vehicle occupants and other road users and shall not cause reasonably foreseeable and preventable collisions, amend para. 10.1.1. to remove reference to foot controls, amend Annex 4 para. 3.5.4. to require manufacturers to report critical incidents to the Type Approval Authority, insert new Annex 4 para. 3.5.4.1. requiring the Type Approval Authority to upload information to DETA within 14 days of receipt, and insert new Annex 7 providing guidance for data exchange via DETA in accordance with para. 3.5.4.1. of Annex 4. UK
20 May UN R157: Proposal for amendment (Germany and UK) GRVA-25-43 2026-05-20 Proposal to amend para. 3.5.1. of Annex 4 to require the manufacturer to demonstrate to the approval authority that effective processes, methodologies and tools are in place, up to date and being followed within the organization to manage the safety and continued compliance throughout the product lifecycle, and to demonstrate to the approval authority at least every three years that the safety management system continues to comply with these requirements. Germany UK
11 Jul 2024 UN R157: Proposal for a Supplement to the 01 series of amendments (UK) GRVA/2024/30 2024-07-11 Proposal to clarify the provisions concerning the conditions for automatic re-instatement of the system at the “initiation of each engine start / run cycle”. UK
11 Jul 2024 UN R157: Proposal for a Supplement to the original version (UK) GRVA/2024/40 2024-07-11 Proposal to clarify the conditions for automatic re-instatement of the system at the “initiation of each engine start / run cycle”. UK
5 Nov 2024 UN R157: Proposal for a Supplement (UK) GRVA/2025/3 2024-11-05 Proposal on terminology about the status of the system following an “engine start / run cycle”. UK
5 Nov 2024 UN R157: Proposal for a Supplement to the 01 series of amendments (UK) GRVA/2025/4 2024-11-05 Proposal for terminology about the status of the system following an “engine start / run cycle”. UK
6 Jul UN R157: Proposal for supplements to the original version and 01 series of amendments (Germany and UK) GRVA/2026/25 2026-07-06 Proposal based on informal document GRVA-25-43 to amend Annex 4, para. 3.5.1. to require the manufacturer to demonstrate to the Type Approval Authority at least every three years that the safety management system continues to comply with requirements for software and hardware employed in the system. This amendment applies the same principle regarding Safety Management System compliance as specified in UN Regulation No. 171 on Driver Control Assistance Systems. Germany UK
19 Mar 2021 UN R157: Proposal for detectable collisions and emergency vehicles (UK) UNR157-03-11 2021-03-19 UK
16 Apr 2021 UN R157: Summary of proposal for emergency vehicles and detectable collisions (UK) UNR157-04-11 2021-04-16 UK
9 Jun 2021 UN R157: Draft proposal concerning detectable collision (UK) UNR157-06-06 2021-06-09 UK
13 Sep 2021 UN R157: Comments on draft text of amendments (UK) UNR157-08-16 2021-09-13 UK
9 Dec 2021 UN R157: Proposal for "detectable collisions" (UK) UNR157-11-15 2021-12-09 UK
9 Dec 2021 UN R157: Proposal for amendments to lane-change text (UK) UNR157-11-16 2021-12-09 UK
18 Jan 2022 UN R157: Contribution to ALKS lane-change discussions (UK) UNR157-12-10/Rev.1 2022-01-18 UK
14 Feb 2022 UN R157: Proposal to amend document GRVA-12-52 (UK) UNR157-13-06 2022-02-14 UK