Train Causes Mass Destruction After Travelling 92 Kilometres Without A Driver

Up to 1.2 kilometres of rail tracks have been damaged after a runaway train travelled for 92 kilometres without a driver in the Pilbara region, leaving the mangled mess of the train scattered along the tracks.

The train, owned by BHP, been travelling from Newman to Port Headland in Western Australia.

The driver of the train, had stopped to inspect one of the wagons at about 4.40am on Monday.

The train then began moving before the driver could get back on board, and reached high speeds of up to 110 kilometres per hour.

After travelling 92 kilometres in 50 minutes, the train was deliberately derailed by BHP's Operations Centre in Perth.

Vision of the crash site shows the 268 wagons of iron ore the train was carrying scattered across the tracks.

Up to 1.2 kilometres of tracks have been damaged, and BHP said the wreckage will take up to a week to remove.

The sitatuion was labelled as "potentially disastrous" by the CFMEU had been other trains in the area or it the incident had occured near Port Headland.

WA Premier Mark McGowan said the incident was "very concerning" and an investigation will be launched.

"The State Government will want to know what happened, why it happened, and what measures will be put in place to prevent it from happening again," he said.

At least three investigations will take place, including one by the Australian Transport Safety Bureau.