Autonomous Freight Rail in Australia is Operational

Interesting application for 'largest robot', it seems to decrease use of human engineers for some networks.

Mining company says first autonomous freight train network is fully operational
The system reduces the number of times a train has to stop for engineer shift changes.
By Megan Geuss in Astechnica

On Friday, major mining corporation Rio Tinto reported that its AutoHaul autonomous train system in Western Australia had logged more than 1 million km (620,000 mi) since July 2018, S&P Global Platts reported. Rio Tinto calls it's now-fully-operational autonomous train system the biggest robot in the world.

The train system serves 14 mines that deliver to four port terminals. Two mines that are closest to a port terminal will retain human engineers because they are very short lines, according to Perth Now. ... "