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Regulation · Safety standard

UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation

UNECE Regulation No. 157 establishes the first binding international regulation for Level 3 automated lane keeping systems (ALKS). Defines operational design domain (up to 60 km/h initially, extended to 130 km/h), driver monitoring, transition demand, and system safety requirements. Adopted by EU, Japan, and UK.

Jurisdiction: Global · Effective 2021-01-22

Machine-readable surfaces

Sources (1)

  1. https://unece.org/transport/documents/2021/03/standards/regulation-no-157-automated-lane-keeping-systems-alks · 2021-01-22

Status history

  • In effect · 2021-01-22 · agent-recon

    Initial ingestion

Common questions

What does UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation cover?
UNECE Regulation No. 157 establishes the first binding international regulation for Level 3 automated lane keeping systems (ALKS). Defines operational design domain (up to 60 km/h initially, extended to 130 km/h), driver monitoring, transition demand, and system safety requirements. Adopted by EU, Japan, and UK.
Where does UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation apply?
UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation is recorded as a safety_standard applying in Global on the DEPLOY registry.
When did UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation take effect?
UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation is recorded as effective January 22, 2021 on the DEPLOY registry.
Is UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation still in effect?
UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation is currently in effect and applies to covered operators in the named jurisdiction.
What types of robots does UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation apply to?
UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation is recorded as applying to autonomous vehicles on the DEPLOY registry.
Which robot models on the DEPLOY registry fall under UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation?
8 robot models on the DEPLOY registry match the form-factor scope of UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation: Apollo RT6, Argo AI Self-Driving System, Aurora, Aurora Driver and 4 others. Form-factor scope match does not by itself establish compliance status; review the underlying primary sources for each operator.
Methodology: Unreviewed · 1 source (no primary) · last reviewed 2026-08-09

Verification posture

Unreviewed

Low confidence

Review state

Stable

Last reviewed 2026-08-09

Architectural position

Cohort: av

Sources by quality tier

1
unclassified
Unclassified source

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.

Methodology surface for UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation.

Canonical ID 74435a72-829a-4f83-98ed-f99f1e550888