It had previously been reported the project was due to be completed by the end of 2021, but government documentation now available shows the project will be completed by mid-2022.

The duplication is part of a larger national-scale scheme by the federal government as part of their $10 billion Building Our Future infrastructure project, which includes over 600 projects.

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The project includes increasing 1.9 kilometres of Evandale Road from two lanes to four, from the entrance to the Launceston Airport to the Breadalbane roundabout.

A flexible safety barrier will be installed in sections along the road for increased safety.

However, Launceston Airport chairman Hugh McKenzie said that the upgrade would be worth the wait when it is eventually finished.

"The Evandale Road duplication will make the travel journey much easier," he said.

"The dedicated slip lane at the entrance to the airport will add to the overall passenger journey and alleviate congestion on the roads."

Mr McKenzie said that the airport had already experienced an uptake in travel despite some states across Australia experiencing COVID-19 outbreaks in recent weeks.

"The airport is seeing a real increase in vehicle movements now that traveller confidence has returned," he said.

"We're really pleased to be back to around 80 per cent of our pre-COVID levels, hopefully borders remain open so travellers can continue to fly in and out and enjoy all that beautiful Launceston has to offer."

The works mean a reduced speed limit is used in the area and motorists have been advised to add as much as 15 minutes to their estimated driving times.

It is hoped that the project will also enable future growth of the Launceston Airport and the surrounding commercial and industrial precincts.

Work began on the project in earlier this year after the planning for the project began in 2019.

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