Under the latest round of funding from the Federal Black Spot Program, 24 crash sites across South Australia will be upgraded.
Works will soon begin to seal a 41-kilometre section of the Great Central Road, affectionately named the Outback Way.
Design and construction proposals are now open for submission on the $93 million Leach Highway and Welshpool Road Interchange in Western Australia.
Victoria's Big Build said the biggest level crossing removal program in Victoria's history will be undertaken this winter.
The Federal Government has committed a $1.8 billion boost for road and community projects through local governments.