The first major stage of work for the Far North Collector Road will start in July.
The 1.8 kilometre road will link Illaroo and West Cambewarra roads at North Nowra to Taylors Lane off Moss Vale Road.
Shoalhaven City Council has already undertaken some preliminary earthworks and importation and stockpiling of fill material for the future embankment at the western end of the planned road off West Cambewarra Road.
The first stage of works will see the construction of a roundabout at the southern connection at the intersection of the road with Illaroo and West Cambewarra roads.
That work is set to start in July.
Following this, work will begin on the rest of the road and bridge works in late 2020 and be completed by June 2022 depending on weather conditions.
The road's construction will include a 100m bridge over Bomaderry Creek, just north of the Illaroo Road end of the project.
There is also a proposed roundabout at the intersection of the Far North Collector Road and Taylors Lane to allow access to that area, however the Taylors Lane alignment is yet to be determined.
The preliminary designs also show a culdesac at the end of Taylors Lane with the new road set to join West Cambewarra Road almost opposite Bells Lane.
The plans also show proposed traffic lights at the intersection of the Far North Collector Road and Moss Vale Road.
A council spokesperson said the program for the Far North Collector Road and the Nowra bridge works are independent of one another, with the Nowra bridge construction being handled by Transport for NSW.