QLD, SA and NT have pretty similar restrictions.
Tasmania are continuing "travel restrictions" until Dec 1.
Non-Tasmanian residents, who are not classified as Essential Travellers, are required to quarantine in government-designated accommodation.
https://coronavirus.tas.gov.au/trave...ng-to-tasmania
I think this is a summary of travel in Australia. But my be errors pretty hard to work out* If you live in WA you can travel without quarantine/isolation to every state and territory except Tasmania that requires quarantine on entry . But not return to WA.
* If you live in SA you can travel without quarantine/isolation to NT, QLD.
Quarantine/isolation on return from Victoria, NSW and ACT.
Quarantine on entry into Tasmania.
* If you live in NT travel without quarantine/isolation to SA, QLD, NSW (except greater Sydney) and ACT.
Quarantine on arrival to Tasmania and on return from Greater Sydney and Victoria.
* If you live in QLD travel without quarantine/isolation to SA and NT.
Quarantine on arrival to Tasmania and on return from NSW, ACT and Victoria.
* If you live in NSW travel without quarantine/isolation to ACT.
Quarantine on arrival to Tasmania, SA and QLD and on return from , ACT and Victoria.