November 23 marks the beginning of South Australia's COVID-ready reopening plan, which will see fully vaccinated Victorians able to enter the state without needing to quarantine.

Under the plan, vaccinated international arrivals will need to be quarantined for seven days, and authorised unvaccinated arrivals for 14 days.

From November 23, the rules governing cross border community members will fall in line with the rest of Victoria, meaning residents on the border can travel outside of the 70km border bubble without jeopardising their cross-border travel permits.

Victorian travellers from local government areas with community transmission and less than 80 per cent of the population fully vaccinated will be required to quarantine.

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An SA Health spokesperson said the South Australian government would implement a tier system for local government areas in other states, the details of which would be clarified in the coming days.

"There will be a tier system and it will depend on how much community transmission and vaccination rates are in the local government area," the spokesperson said.

"If the community is at 80 per cent vaccination and that traveller is fully vaccinated then they should be okay.

"Obviously in areas with high rates of community transmission there will be other requirements in place, most likely testing and symptom checking."

Once South Australia achieves 90 per cent vaccination, its borders will be fully open to all vaccinated domestic and international arrivals, with no quarantine requirement.

Premier Steven Marshall made the announcement on Tuesday, alongside a host of eased COVID-19 restrictions for the state.

"It is a reward for the fantastic work that South Australians have done in rolling their sleeves up and getting vaccinated," he said.

"Seeing families and friends reunite and businesses getting back to normal is something we all deserve.

"By working together we have been the envy of the world and by getting vaccinated we will start enjoying even more freedoms."

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