Waymo Robotaxis Suspended After Driving Into Flooded Roads

In San Antonio, an empty Waymo robotaxi recently drove into a flooded road and was swept into a creek on April 20, 2026. An incident on April 20, 2026, where an empty Waymo robotaxi drove into a flooded road and was swept into a creek, prompted Waymo to pause its self-driving car service in five US cities, including parts of Texas and Atlanta. The software issue caused vehicles to enter flooded roadways, according to BBC. The company also suspended services on US freeways, working to improve its cars' performance in construction zones.

Autonomous vehicles are consistently marketed as the future of safe transportation. However, Waymo's repeated software failures are forcing significant service suspensions due to dangerous incidents, directly impacting public confidence.

The path to widespread, unsupervised autonomous vehicle deployment will be longer and more fraught with regulatory and public trust challenges than previously anticipated. Waymo's repeated software failures expose a critical gap in autonomous vehicle AI's ability to adapt to real-world unpredictability, fundamentally stalling public trust and widespread adoption.

Examining Waymo's Recent Safety Incidents

An incident on April 20 in San Antonio, Texas, involved an empty Waymo vehicle entering a flooded road and being swept into a creek, according to BBC.

The April 20 incident in San Antonio highlighted a critical software vulnerability within Waymo's automated driving system. The San Antonio incident vividly illustrates the significant safety risks posed by identified software issues when confronted with unpredictable environmental conditions, such as sudden flooding. Waymo's software struggles with both environmental unpredictability and common infrastructure challenges, suggesting a systemic inability to handle dynamic, real-world edge cases beyond simple navigation.

Waymo's Recurring Software Challenges

Waymo's fleet stalled more than 1,500 times during a PG&E power outage in San Francisco in December 2024, blocking intersections, according to The San Francisco Standard. The December 2024 PG&E power outage incident demonstrated a critical vulnerability to common urban infrastructure events, rather than just extreme weather or complex driving scenarios. In 2024, the company recalled over 1,200 vehicles due to a software defect that resulted in minor crashes against obstacles, according to Reuters. Waymo's fleet stalling more than 1,500 times during a PG&E power outage in San Francisco in December 2024 and the recall of over 1,200 vehicles in 2024 indicate that Waymo's challenges extend beyond isolated events, pointing to systemic difficulties in handling complex, real-world scenarios. The repeated necessity for recalls due to software defects, ranging from minor crashes to driving into flooded roads, suggests that Waymo's iterative software improvements are not addressing root causes but rather patching symptoms.

Waymo's transparent and effective response to these recurring issues will be a critical test of its ability to regain public trust. Demonstrating maturity in its technology is paramount for future expansion and widespread adoption. The current challenges may directly slow broader autonomous vehicle adoption timelines across the industry. Waymo's repeated recalls for issues like driving into flooded roads and stalling during power outages demonstrate that autonomous vehicle technology is still fundamentally reactive, not predictive, making widespread, unsupervised deployment a premature and potentially dangerous endeavor. By Q4 2026, Waymo faces significant pressure to demonstrate tangible software improvements to avoid further service disruptions and maintain public confidence.