The National Highway Traffic Safety Administration has documented a troubling pattern of failures in Waymo’s autonomous vehicle fleet, prompting the company to recall nearly 3,900 robotaxis after their self-driving software repeatedly failed to recognize construction zones and road closures.
The recall affects Waymo’s 5th Generation Automated Driving System, which powers the company’s fleet of Jaguar vehicles operating in Arizona and California. According to federal safety regulators, all of the recalled vehicles are believed to contain the software defect.
The incidents that triggered this recall occurred in April and May of this year across Phoenix and the San Francisco Bay Area. Waymo, a subsidiary of Alphabet, temporarily restricted its robotaxis from freeway driving while investigating the matter. The company had expanded freeway capabilities to its vehicles in San Francisco, Phoenix, and Los Angeles just last year.
The safety administration’s recall notice reveals a concerning pattern. In Phoenix alone, six Waymo robotaxis failed to recognize ramp-closure signs and proceeded to enter freeway construction zones. The situation proved equally problematic in the San Francisco area, where seven additional vehicles entered active construction lanes in May, driving between traffic cones that marked closures in adjacent lanes.
“Under certain circumstances, the autonomous vehicle may enter and drive at speed in freeway construction zones due to inappropriately prioritizing the avoidance of other freeway hazards and failing to recognize the construction zone,” the federal notice states. The agency added plainly that “driving at speed in a freeway construction zone increases the potential for collisions.”
One incident in May illustrated the very real danger these software failures posed to passengers. Elliot Slade and his fiancée were traveling from San Mateo to their San Francisco home when their Waymo vehicle sped through a construction zone, ultimately drawing police pursuit.
“The Waymo started freaking out as we got closer to the merge because the lanes were kind of all merging,” Slade recounted. “One lane was gone, another lane was, who knows where it was. Cars were all over the place going in.”
Despite visible construction signs, warning lights, and police presence, the vehicle accelerated rather than slowing down. “That’s when I looked at my fiancée, we’re done. This is it. We’re dead. We’re going to die right here in the Waymo,” Slade said. The robotaxi eventually veered from the highway into a residential neighborhood.
Waymo’s response to Slade was to offer three free rides, each worth up to forty dollars. He expressed uncertainty about whether he would use them.
This recall raises fundamental questions about the readiness of autonomous vehicle technology for widespread public deployment. The incidents demonstrate that even sophisticated artificial intelligence systems can struggle with scenarios that human drivers navigate routinely. Construction zones, with their temporary signage and altered traffic patterns, represent exactly the kind of dynamic, real-world conditions that autonomous vehicles must master before they can be considered truly safe.
The technology industry has long promised that self-driving vehicles would prove safer than human drivers. These documented failures suggest that promise remains unfulfilled, at least for now.
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