Uber was testing there because the local city government was easy to work with initially. After their fatal incident, the city became more restrictive, but Goo

Uber was testing there because the local city government was easy to work with initially. After their fatal incident, the city became more restrictive, but Google/Waymo had already also moved in and started testing there, and because they didn't have any issues, I presume the city continued to work with them.