A few years ago, I was driving home late at night on a wide interstate highway with a nearly-pristine blanket of snow that fully obscured all the lane lines. Th

A few years ago, I was driving home late at night on a wide interstate highway with a nearly-pristine blanket of snow that fully obscured all the lane lines. The plows had not reached that section of road yet and no one was ahead of me. So I made my own path. It was weird, but obviously safe to any human. I wonder what fully autonomous cars would do in those conditions.