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Incident · Recall

Waymo recalls 3,791 robotaxis after vehicle entered flooded roadway in San Antonio

On April 20, 2026, an unoccupied Waymo robotaxi encountered an untraversable flooded section of a 40 mph roadway in San Antonio, Texas. The vehicle detected potentially untraversable floodwater but slowed rather than stopping, proceeding at reduced speed. Waymo implemented operational restrictions the same day and its Safety Board decided to conduct a recall on April 24.

NHTSA recall 26E026, filed May 6, 2026, covers 3,791 vehicles with 5th and 6th generation ADS. No injuries were reported. Waymo paused operations in San Antonio and is developing a final software remedy.

Occurred 2026-04-20 · Waymo Driver (6th gen) · Waymo · Robotaxis

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Incident records on DEPLOY are compiled from public sources (regulatory filings, news reports, and operator disclosures) and reflect what has been reported and tracked to date. They are not legal findings, determinations of fault, or safety ratings, and may be updated as new information is verified. See the sources below for the underlying references.
Track Waymo recalls 3,791 robotaxis after vehicle entered flooded roadway in San Antonio

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Sources (2)

  1. Part 573 Safety Recall Report 26E026 - Waymo LLC · https://static.nhtsa.gov/odi/rcl/2026/RCLRPT-26E026-6527.pdf · 2026-05-06
  2. Waymo issues recall to deal with a flooding problem · https://techcrunch.com/2026/05/12/waymo-issues-recall-to-deal-with-a-flooding-problem/ · 2026-05-12

Common questions

What happened in Waymo recalls 3,791 robotaxis after vehicle entered flooded roadway in San Antonio?
On April 20, 2026, an unoccupied Waymo robotaxi encountered an untraversable flooded section of a 40 mph roadway in San Antonio, Texas. The vehicle detected potentially untraversable floodwater but slowed rather than stopping, proceeding at reduced speed. Waymo implemented operational restrictions the same day and its Safety Board decided to conduct a recall on April 24. NHTSA recall 26E026, filed May 6, 2026, covers 3,791 vehicles with 5th and 6th generation ADS. No injuries were reported. Waymo paused operations in San Antonio and is developing a final software remedy.
When did this incident occur?
The incident is recorded as occurring on April 20, 2026 on the DEPLOY registry. The date reflects the underlying real-world event, not the registry record's creation date.
What robot was involved in Waymo recalls 3,791 robotaxis after vehicle entered flooded roadway in San Antonio?
Waymo Driver (6th gen) by Waymo is the recorded robot involved in this incident.
Has anyone responded to Waymo recalls 3,791 robotaxis after vehicle entered flooded roadway in San Antonio?
No responses to this incident are recorded on the DEPLOY registry. Operators, manufacturers, or affected parties can submit responses to the editorial team; absence is not a guarantee no response was issued.
What is the current status of Waymo recalls 3,791 robotaxis after vehicle entered flooded roadway in San Antonio?
This incident is an active record on the DEPLOY registry; no retraction or correction has been issued.
Methodology: Verified · 2 sources (1 primary) · last reviewed 2026-08-09

Verification posture

Verified

High confidence

Review state

Stable

Last reviewed 2026-08-09

Sources by quality tier

1
primary-regulatory-filing
Regulatory filing
1
secondary-industry-publication
Industry publication

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

Methodology surface for Waymo recalls 3,791 robotaxis after vehicle entered flooded roadway in San Antonio.

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Canonical ID d39388de-45aa-429a-91b8-6106536c9882