Motorists are advised of changed traffic conditions on the Princes Highway between Beach Road and the Old Princes Highway.
Workers will be in the area conducting investigation work as part of planned maintenance work in the area.
Night work will take place on Tuesday 25 October between 8pm and 5am, weather permitting.
A reduced speed limit of 40 km/h and single lane closures will be in place for the safety of workers and motorists.
Motorists are advised to drive to the conditions, and follow the directions 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.