According to Radar Online, Pitt crashed his Tesla into a smaller car which then hit a black truck - turning the crash into a three car pile-up.
The 54-year-old actor was spotted exchanging details with the drivers of the other cars involved in the accident.
It was reported in January that the father-of-six has started dated casually following his split from Angelina Jolie.
"He has been on a few dates but nothing serious. It's complicated for him to date and not a huge priority in his life," a source told E! News at the time.