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RobotRisk / Waymo / 2026-04-20
av trucking · recall

Unoccupied Waymo Robotaxi Swept Into Waterway After Entering Flooded San Antonio Road

S3 · 04/20
2026 · Waymo · San Antonio, TX, USA

Record

CompanyWaymo
Categoryav trucking
Typerecall
Date04/20
2026
Time of daynot documented
LocationSan Antonio, TX, USA
SeverityS3 (recall, enforcement, or fleet-wide fault)
Scale3,791 vehicles recalled
Confidencehigh
VerificationYes - adversarially checked against the cited source
SourceBBC News

What happened

An unoccupied Waymo robotaxi entered a flooded roadway near Salado Creek in San Antonio and was swept into a waterway after its system detected floodwater but proceeded at reduced speed; Waymo recalled roughly 3,791 vehicles' software.

Waymo record context

Entries by year and severity

3206412024 S1: 42024 S2: 52024 S3: 312242025 S1: 52025 S2: 4942025 S3: 82025 S4: 12025 S5: 3511252026 S1: 12026 S2: 6182026 S3: 162026 S4: 42026 S5: 264126
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By severity

Waymo vs av trucking alternatives

av trucking context

av trucking: entries by year

3496982016 S5: 11162018 S5: 11182019 S5: 11192021 S1: 11212022 S2: 12022 S3: 32022 S5: 15222023 S1: 12023 S2: 12023 S3: 32023 S4: 42023 S5: 211232024 S1: 42024 S2: 92024 S3: 72024 S4: 22024 S5: 426242025 S1: 62025 S2: 5362025 S3: 132025 S4: 42025 S5: 4563252026 S1: 22026 S2: 6582026 S3: 312026 S4: 42026 S5: 369826
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av trucking: failure modes

av trucking: most entries

recall context

recall: by category

recall: by year

recall: severity profile

Comparable recall events in av trucking

SevDateCompanyEvent
S32026-07-17ZooxZoox issues software recall after robotaxi drove into heavy smoke
S32026-07-17ZooxZoox recalls 105 robotaxis over heavy-smoke detection failure
S32026-06-18WaymoWaymo recalls 3,871 robotaxis over freeway construction-zone software defect
S32026-06WaymoWaymo recalls ~4,000 robotaxis after vehicles entered closed freeway construction zones
S32026-05WaymoWaymo recalls robotaxi software over risk of driving into flooded roads
S22025-12-23ZooxZoox robotaxi crosses into opposing lane, prompts 332-vehicle recall
S32025-11-08WaymoWaymo recalls 3,067 vehicles for illegally passing stopped school buses
S32025-05ZooxZoox issues software recall after Las Vegas robotaxi crash

Other Waymo entries

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