_Regulation · Safety standard_

# UNECE R157: Automated Lane Keeping Systems (ALKS) Regulation

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

- **Jurisdiction:** [Global](/locations/global.md) (id: `6753d6b9-d63f-41f8-b672-4d80bdb4dd82`)
- **Kind:** `safety_standard`
- **Status (derived):** in_effect
- **Effective:** 2021-01-22

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.

## 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.


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