In coming weeks the work will see traffic lanes relocated, the acceleration lane for vehicles turning right onto the Princes Highway from Bolong Road permanently removed and traffic lights will intermittently stop northbound highway traffic and allow vehicles to safely turn right out of Bolong Road.

All traffic between Bolong Road and Mattes Way will shift to the east and traffic lights will be installed from next Thursday, December 10, weather permitting.

Kiama MP Gareth Ward said this changes would create a safe work area to the west and allow us to begin widening the highway to provide long-term traffic flow improvements.

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"This is an important stepping stone for a $342 million project which will employ more than 200 people at its peak with 69 per cent of current workers living locally, providing an economic boost for the area during these difficult times."

There will be some permanent changes at the Bolong Road and Princes Highway intersection as part of the traffic shift.

The acceleration lane for vehicles turning right onto the Princes Highway from Bolong Road to be permanently removed.

Traffic lights will be installed to intermittently stop northbound highway traffic and allow vehicles to safely turn right out of Bolong Road.

There will also be a temporary closure of the northbound and southbound fast lanes on the Princes Highway between Bolong Road and Illaroo Road from 5pm Saturday, December 12 to 11am Sunday, December 13, weather permitting

This section of road will be reduced to one lane in each direction during this time and a reduced speed of 40km/h will be in place.

Those changed traffic conditions will be in place while concrete is poured in the median of the Bomaderry Creek Bridge to allow the new concrete to gain strength by reducing vehicle vibrations near the work.

South Coast MP Shelley Hancock said "the closures would occur on the weekend when traffic volumes were lower."

Transport for NSW anticipates traffic delays of up to 15 minutes and thanks motorists in advance for their cooperation.

Electronic message signs will be in place before and during these changes to advertise traffic changes and reduced speed limits in advance.

Night work is continuing across the project and will be carried out up to Thursday, December 17 on sections of the Princes Highway, Scenic Drive and Bolong, Illaroo and Bridge roads.

All work will shut down over the Christmas period from 6pm Friday, December 18 until 7am Monday, January 4, 2021.

"There will be no work carried out during this time but the reduced work zone speed limit of 60 km/h will continue to be enforced," Mrs Hancock said.

Motorists are advised to drive to the conditions and to please follow the directions of signs and traffic control.