_Regulation · Other_

# NHTSA Closes Zoox Braking Behavior Investigation

Canonical ID: `314c58c7-171a-44f5-b4b5-dd1c469b5bca`

- **Jurisdiction:** [United States](/locations/united-states.md) (id: `aa8b9c05-c836-4021-801f-59801970401e`)
- **Kind:** `other`
- **Status (derived):** in_effect
- **Effective:** 2026-03-01

NHTSA closed its investigation into Zoox after the company resolved a braking-behavior issue through software updates. The investigation had examined unexpected hard braking events in Zoox robotaxis vehicles.

## Sources (1)

1. https://www.automotiveworld.com/news/nhtsa-convenes-waymo-zoox-and-aurora-for-av-forum-in-dc/

## Status history

- **in_effect** · 2026-03-01 · agent-recon
    - Initial ingestion

## Common questions

### What does NHTSA Closes Zoox Braking Behavior Investigation cover?

NHTSA closed its investigation into Zoox after the company resolved a braking-behavior issue through software updates. The investigation had examined unexpected hard braking events in Zoox robotaxis vehicles.

### Where does NHTSA Closes Zoox Braking Behavior Investigation apply?

NHTSA Closes Zoox Braking Behavior Investigation is recorded as a other applying in United States on the DEPLOY registry.

### When did NHTSA Closes Zoox Braking Behavior Investigation take effect?

NHTSA Closes Zoox Braking Behavior Investigation is recorded as effective March 1, 2026 on the DEPLOY registry.

### Is NHTSA Closes Zoox Braking Behavior Investigation still in effect?

NHTSA Closes Zoox Braking Behavior Investigation is currently in effect and applies to covered operators in the named jurisdiction.

### What types of robots does NHTSA Closes Zoox Braking Behavior Investigation apply to?

NHTSA Closes Zoox Braking Behavior Investigation is recorded as applying to autonomous vehicles on the DEPLOY registry.

### Which robot models on the DEPLOY registry fall under NHTSA Closes Zoox Braking Behavior Investigation?

8 robot models on the DEPLOY registry match the form-factor scope of NHTSA Closes Zoox Braking Behavior Investigation: 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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