Driverless trucks move all iron ore at Rio Tinto's Pilbara mines, in world first Highlights: Rio Tinto is operating a fleet of 69 driverless trucks across its Yandicoogina, Nammuldi and Hope Downs mine sites in Western Australia. There is a bit more info on driverless truck technology in a related article, Robotic trucks taking over Pilbara mining operations in shift to automation The main benefit of driverless trucks is improved safety on the mines. There are other benefits: Rio is trialling unmanned trains and mining with robot drills. The goal is to remotely control most of the company's supply chain from the pit to the port, from control rooms located in Perth. BHP Billiton and Fortescue Metals are also trialling autonomous operations at their Pilbara mines.