SACFS crews responded to a reported B Double down an embankment at Eyre Highway, 45kms west of Penong early this morning.
The B-Double semi trailer has been identified as carrying dangerous goods and has been upgraded to a Major Hazmat Incident.
Hazmat crews are being requested for a 2-3 day deployment from all over the state yet to be confirmed when attending.
Currently Ceduna and Penong and multiple groups on scene.
State Hazmat Pod left this morning.