Driverless trains make more sense than driverless cars.
Would you like a train hauling 9000 tons of crude oil, ammonia, propane, or sulphuric acid running through YOUR neighborhood with no human presence on board?
That little incident up in Ontario that incinerated an entire town was the result of a single person crew.
Driverless trains exist. But only where unions haven’t undercut them.
This isn’t trains, but it may interest you anyway.
Caterpillar’s Mining Automation Journey (Extended Edition)
https://www.youtube.com/watch?v=sMw5G8FSbdI&index=20&list=PLF70F7538D7201CD8
24 minutes
Cat has more than 20 250 ton mining trucks running 24 hours a day at a large iron mine in Australia.
No drivers.
They are expanding the fleet to 50 trucks.