Comment by netsharc
Curiously enough Google could have access to how fast humans usually drive through that street.. if they record people's Google Maps trips, they can show the court that "Look, 80% of Google Maps users drive through here at 30 mph!".
Waymo itself has this as well. They record their drives after all which means they know the speed of the vehicles around them.
They even wrote a blog post about it:
https://waymo.com/blog/2023/07/past-the-limit-studying-how-o...