(Wired) – The incidents in Austin raise questions about how self-driving cars “learn” and adapt to their surroundings.

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. (Read More)