Woman dies in SA as car crashes into tree

A 72-year-old woman has died after crashing her car into a tree in south Adelaide.

Police and emergency services responded to reports of an incident in the town of Kangarilla on Tuesday afternoon.

The woman was the only passenger in the car and died at the scene on McLaren Flat Road.

The road was closed for several hours following police investigations.

The death brings the state's road toll for the year to 99.