Paramedics attended a single vehicle roll-over on the Princes Freeway in Werribee this afternoon.
Emergency crews were called to the site of the accident, near the historic Cocoroc township, just before 12.15pm.
There were two people in the car at the time of the roll-over.
An Ambulance Victoria spokeswoman said that a woman in her 30s was taken to the Royal Melbourne Hospital as a precaution.
A toddler was also assessed as being uninjured, but was taken to the Royal Children’s Hospital as a precaution.