Motorists are advised of changed traffic conditions and night work on the Pacific Highway from today, January 7 until Sunday, January 12 for the Woolgoolga to Ballina upgrade.

Weather permitting, from today, there will be six days of work next to the Old Pacific Highway at Glenugie to install electrical cables.

Motorists can expect lane closures, traffic control and a reduced speed limit of 80km/h between 7am and 6pm.

Also from today, there will be five days of work next to the Pacific Highway at Maclean to carry out excavation work.

Southbound motorists can expect a reduced speed limit of 60km/h between 6am and 6pm.

From tomorrow, there will be up to two days of work on the Pacific Highway between Mororo and New Italy to remove traffic barriers and carry out vegetation removal and earthwork.

Motorists can expect traffic control and short stoppages at times between 6am and 6pm.

Additional changes to local roads

Traffic control will be in use on Woodburn-Evans Head Road, Woodburn from today for up to five days to allow vehicles to access the project site and carry out drainage work.

Motorists can expect lane closures and traffic control between 6am and 6pm.

From tomorrow, there will be three days of work on the new overpass bridge at McIntyres Lane, Gulmarrad.

Motorists can expect lane closures and traffic control between 6am and 6pm.

Traffic has been permanently moved onto the new overpass bridge at Chatsworth Road north.

The old Mororo Bridge is temporarily closed while drainage is installed.

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

Transport for NSW thanks motorists for their patience during this time.

For the latest traffic updates download the Live Traffic NSW App, visit livetraffic.com or call 132 701.