Travellers from NT, QLD, TAS and WA have been able to enter South Australia directly without restriction for months.
Travellers from the ACT have been able to enter SA since September 15, but only by plane, as if driving they would need to enter via NSW where the two week self isolation rule would applies.
Travellers from Victoria, other than approved categories of Essential Travellers, are not permitted to travel to South Australia.
TRAVEL WITHIN SOUTH AUSTRALIA
South Australian residents are free to travel around the state.