The national holiday road toll remains at 31.
The latest death occurred in Western Australia late on Saturday night, when the driver of a Toyota Land Cruiser crashed into a tree and the vehicle caught fire south of Perth shortly before 11pm (local time).
Boxing Day has been the worst day so far, with seven people dying, five in NSW alone.
NSW heads the road toll with eight dead, followed by Victoria on seven, WA on six, South Australia on four, Queensland on four, and Tasmania on two. The ACT and Northern Territory are so far fatality free.
* The national road toll period runs from 12.01am on December 23, 2012, until 11.59pm on January 3, 2013, local times, in line with the Australia New Zealand Policing Advisory Board.
