UN Regulation No. 157 — Automated Lane Keeping Systems — original (2021)

Legal state as of: Not recorded
Last source check: 2026-09-08
Verification scope: 11 selected definitions checked in full EN/SK OJ text: 2.1, 2.2, 2.7, 2.8, 2.14, 2.15, 2.3, 2.4, 2.5, 2.13, 2.17. Version and entry into force checked separately. Subsequent amendment content is not consolidated.

Record provenance: Editorially selected source added to this website.
Organisation: UNECE
Jurisdiction: International
Publication date: 2021-03-09
Legal status: Historical identified version; later amendments not consolidated
Effective from: 2021-01-22
Summary: Historical original text, in force from 22 January 2021. The 60 km/h limit in this ALKS definition must not be applied to later amendment series. C.N.45.2026 and C.N.46.2026 confirm further amendments effective 11 January 2026; their content is not consolidated here. Quotation from the identified Official Journal publication, checked in the full English and Slovak texts. Only the original UNECE texts have legal effect under international public law. This is not an assessment of applicability to a particular vehicle.
Význam: Distinguishes ALKS, transition demands, MRM, emergency manoeuvres and DSSAD. Historical 60 km/h wording must not be extrapolated to later series.
Citation: UN Regulation No. 157, Automated Lane Keeping Systems; OJ publication 42021X0389, 2021-03-09; selected paragraphs 2.1, 2.2, 2.7, 2.8, 2.14, 2.15, 2.3, 2.4, 2.5, 2.13, 2.17.
ROAT editorial check: 2026-09-08
Official source: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:42021X0389

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UN Regulation No. 157 — Automated Lane Keeping Systems — original (2021)

English glossary

UN Regulation No. 157 — Automated Lane Keeping Systems — original (2021)