Comment by kickopotomus

I think 50 years is being overly pessimistic. Self-driving in temperate climates is probably pretty close (<10 years). Waymo has pilot programs currently underway in California and Arizona[1][2].

[1]: https://techcrunch.com/2019/09/16/waymos-robotaxi-pilot-surp...

[2]: https://www.theverge.com/2019/10/10/20907901/waymo-driverles...