The Australian Transport Safety Bureau is investigating a collision between a freight train and a tractor trailer that occurred in Kalgoorlie, Western Australia. “A road train truck had driven into the path of freight train 2C74, resulting in the collision and the derailment of the train’s locomotive,” a spokesman said. The two train drivers were airlifted to Perth, one listed as being in a critical condition and the other stable. The truck driver only received minor injuries. The crossing equipment was reported to be operating at the time of the accident.