Perth to Kalgoorlie routes each way also had one of the highest cancellation rates nationally at 5.4 per cent, sitting just ...

Police allege a driver intentionally drove down the wrong side a major highway near the Perth Airport before he collided with a taxi in a head-on collision killing himself and three other people.

Mr Tesema and the two passengers he was driving home from the airport - now identified as a mother and daughter from Perth, aged 81 and 56 - all died, along with the driver of the other vehicle.