A Tintinara taxi driver was stabbed by his passenger and was treated in Murray Bridge Hospital and then transferred to the Royal Adelaide Hospital (RAH) for serious wounds, police say.
The stabbing occurred at about 6:45am on Friday, January 14 along the Dukes Highway, near Judd Road in Tintinara.
The 30-year-old victim managed to get out of the car taking the keys to immobilise the vehicle and was helped by several truckies who stopped to assist.
When police arrived at the scene the suspect, a 41-year-old Prospect woman, was still inside the taxi and she was placed under arrest.
The woman was taken to the RAH for a medical assessment and was been detained under the Mental Health Act.
She was charged in her absence with assault cause serious harm and refused bail. The taxi was towed to be forensically examined