Training Waymos to stop for school buses hasn't worked
The incidents in Austin raise questions about how self-driving cars learn and adapt to their surroundings.
Aarian Marshall
Mar 29, 2026 7:00 AM
One of the purported advantages of self-driving car tech is that every car can learn from one vehicles mistakes ...
But in Austin, Waymos vehicles struggled for months to learn how to stop for school buses as drivers picked up and dropped off children. An official with the Austin Independent School District (AISD) alleged that the vehicles had, in at least 19 instances, illegally and dangerously passed the districts school buses while their red lights were flashing and their stop arms were extended rather than coming to complete stops, as the law requires ...
Now, email and text messages between school officials and Waymo representatives, obtained by WIRED through a public records request, show the lengths that the Austin public school district and Waymo went to try to solve the problem. AISD even hosted a half-day data collection event in a school parking lot in mid-December, the documents show, with several employees pulling together school buses and stop-arm signals from across the fleet so the self-driving car company could collect information related to vehicles and their flashing lights.
Still, by mid-January, over a month later, the school district reported at least four more school-bus-passing incidents had taken place in Austin. The data we collected from the beginning of the school year to the end of the semester shows that about 98 percent of people that receive one violation do not receive another, an official with the schools police department told the local NBC affiliate that month. That tells us that the person is learning, but it does not appear the Waymo automated driver system is learning through its software updates, its recall, what have you, because we are still having violations ...
https://www.wired.com/story/a-school-district-tried-to-help-train-waymos-to-stop-for-school-buses-it-didnt-work/