>I'm skeptical. I'd be surprised if more than 40% of my miles were freeway.

I didn't mean this was the average but I probably should have said commutes. My commute is nearly all highway and I basically don't touch the car from on-ramp to exit-ramp.

>Call me when we have fully autonomous trains and then I'll start thinking about losing my skepticism about autonomous cars.

https://en.wikipedia.org/wiki/List_of_automated_urban_metro_...

I was thinking more freight trains, and I forgot this article was about a success:

https://arstechnica.com/cars/2018/12/mining-company-says-fir...

It did take 10 years to build and cost 1.3 Billion dollars. And it is still being remotely monitored.