An 82-year-old man is in a critical condition after his car rolled backwards, in the third driveway accident in Adelaide this year.
Police say the man was knocked to the ground in the Davoren Park driveway on Tuesday night.
He was taken to hospital, where his condition deteriorated and he is now considered critical.
On Monday, an 82-year-old Adelaide woman died when her car rolled down a Wynn Vale driveway and hit her.
On January 6, a 52-year-old welfare worker visiting an elderly client died after she was hit by a car in the driveway of a Fairview Park home in Adelaide.