AI Incident Database: Waymo Robotaxi Reportedly Entered Flooded San Antonio Roadway and Was Swept Into Waterway
An unoccupied Waymo robotaxi reportedly entered a flooded roadway near Salado Creek in San Antonio on April 20, 2026, and was swept into a nearby waterway. Waymo told regulators that the vehicle detected potentially untraversable floodwater but proceeded at reduced speed. No passengers were aboard and no injuries were reported. Waymo restricted operations and later recalled 3,791 fifth- and sixth-generation automated driving systems.
AI Incident Database · Incident 1544Operator lens (medium): inspect D4 (observability), D5 (model change gate).
Event summary
An unoccupied Waymo robotaxi reportedly entered a flooded roadway near Salado Creek in San Antonio on April 20, 2026, and was swept into a nearby waterway. Waymo told regulators that the vehicle detected potentially untraversable floodwater but proceeded at reduced speed. No passengers were aboard and no injuries were reported. Waymo restricted operations and later recalled 3,791 fifth- and sixth-generation automated driving systems.
Linked entities
- waymo
organisation | 70%
- automated-driving-system-developers
organisation | 70%
- robotaxi-operators
organisation | 70%
- automated-driving-system-deployers
organisation | 70%
- road-users
organisation | 70%
Related graph edges
| Edge | Type | Confidence |
|---|---|---|
| ent-aiid-waymo to ent-psf-d4 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d4 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d4 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d5 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d5 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d5 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d6 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d6 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d6 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d1 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d1 | maps to | 60% |
| ent-aiid-waymo to ent-psf-d1 | maps to | 60% |