The future of Uber’s self-driving car technology is, once again, in question.

The National Transportation Safety Board just released its preliminary report on the self-driving Uber vehicle that struck and killed a woman in Tempe in March. Yesterday, the company announced it is shutting down self-driving car operations in Arizona.

This is all happening even after Uber got such a warm welcome to our state just a few years ago.

For more on all of this, The Show spoke to Andrew Hawkins, who covers transportation for The Verge.