A woman has died in Adelaide's south after she crashed into a tree on Sunday night.
The incident occurred at the intersection of Upper Penneys Hill and Piggott Range roads in Onkaparinga Hills just after 11pm.
A 56-year-old local woman, who was the driver and sole occupant of the car, died at the scene.
The road was closed overnight while Major Crash investigators examined the scene, but it has since been reopened.
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This was the second fatal crash on Sunday, coming about five hours after a 23-year-old man was killed when he crashed into a tree on Fairbanks Rd in Glenburnie.
The road toll is now 49 compared to 30 at this time last year.
Meanwhile, an 82-year-old Goolwa man is fighting for life in the Flinders Medical Centre after, also, crashing into a tree on Milang Rd in Finniss just before 4pm on Sunday.