South Australia's planned border reopening with NSW will officially go ahead after another day of promising COVID-19 figures.
The border restrictions with NSW will lift at midnight after the state recorded its second day of no community transmission cases of COVID-19.
NSW residents travelling to SA will no longer have to go into 14 days of self-isolation so long as they do not enter via Victoria.
"We were delighted when we saw the information that came through from NSW Health on yesterday's new infections," SA Premier Steven Marshall said on Wednesday.
"Last week it was the ACT, this week it is NSW. It has been an enormous impediment on business, on families, on family reunification and that is going to be gone as of midnight tonight."
The prospect of the border relaxations has already boosted the domestic aviation industry with more flights to resume in coming weeks.
The long-awaited decision on SA's border with NSW was made at Tuesday's meeting of the state's transition committee and came after initial plans to lift the isolation measures were stalled for weeks because of a cluster of coronavirus cases in Sydney.
"That's going to be an absolute boon for our economy in South Australia but most importantly, creating more jobs," Mr Marshall said.
"We know that we have still thousands of people who have lost their jobs since the coronavirus hit back in March. My number one priority now is to get as many of those back into employment as safely as I possibly can."
SA health officials had examined the case of an infected Sydney taxi driver but were satisfied it was a risk that NSW could be manage.
Anyone travelling between SA and NSW has been urged to keep a close eye on the latest COVID-19 information and to wear masks on planes.
New South Wales has not recorded a locally-transmitted coronavirus case for two consecutive days. Source: AAP
NSW Premier Gladys Berejiklian said there had been no new COVID-19 cases recorded within the NSW community from the 16,759 people tested in the 24-hours to 8pm on Tuesday.
It's the second day in a row with no community transmission. The last time NSW had consecutive days without community transmission was 3-5 July.
There were six cases of COVID-19 recorded in returned travellers who were confined to hotel quarantine.
SA Premier Steven Marshall said on Tuesday the borders would reopen to NSW residents from midnight if there was no community transmission in NSW.
Ms Berejiklian said she was hopeful the Queensland border restrictions would also be completely removed sooner rather than later.
"I hope the Queensland government takes that final step in in getting rid of the border because the evidence is certainly indicating that it can. And, and I feel more confident after yesterday that that could be sooner than I anticipated," she said on Wednesday.
The new numbers were a good result for the state but she continued to urge vigilance.
"Obviously we'd like to see that testing rate ... higher," she said.
NSW was entering into a high-risk period with school holidays starting this weekend.
"Our population will be more mobile than we have been since about February this year," she said.
NSW was also preparing to boost the number of returning international travellers to 3000 people a week from next week, she said.
Chief Health Officer Kerry Chant said the last unknown local source of COVID-19 infection was on 7 September.
"So whilst we have had cases reported recently we have been able to identify the source of those," she said.
"So very pleasing numbers but it is now time for complacency. We do continue to as the community to work with us to get those testing rates up high," she said.
The virus was likely still circulating undetected and it remained imperative that anyone with mild symptoms get tested immediately.
NSW Chief Health Officer Dr Kerry Chant Source: AAP
She said health authorities continued working with the taxi industry to improve the ability to track passengers after the recent COVID-19 diagnosis of a taxi driver, saying the COVIDsafe app had not been useful in the case.
"So the QR code, we think is particularly useful in a taxi environment because it means it's something you can quickly do in the back of the back of the taxi that doesn't impede your journey".
She encouraged all businesses to introduce QR technology as it eliminated the need for customers to touch public surfaces.
"We understood that some cases of the disease were being transmitted from holding similar surfaces like a pen or a keyboard. So, our preference is obviously for more businesses to use those codes, where everybody has the handheld device as opposed to sharing," she said.
NSW Health is treating 74 COVID-19 cases, including three in intensive care, one of whom is being ventilated.
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