All road users are reminded to take extra care on our roads in coming weeks, with a significant increase of heavy vehicles expected during grain and grape harvests.
The $2.3 million works to upgrade the Karoonda Highway between Karoonda and Kulde have begun.
Changes to the speed limit on the South Eastern Freeway have begun along with other new road rules.
Works on the South Eastern Fwy, Mallee Hwy and the Fleurieu begin this weekend.
Two new wombat crossings improve pedestrian safety on Mount Barker Rd.
Three intersections in the Adelaide Hills will be upgraded, including the busy Onkaparinga Valley Road intersection, as part of the road safety infrastructure program.