Motorists are advised of changed overnight traffic conditions this week on the M1 Pacific Motorway for new traffic lights to be switched on at the western roundabout at the Ourimbah Interchange.
A single northbound lane may be closed intermittently for the work.
To minimise impact to motorists, work will be carried out from 8pm on Wednesday, March 7, until 4am on Thursday, March 8and is expected to take one night, weather permitting.
Traffic control and a reduced speed limit of 40km/h 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.
For the latest traffic updates download the Live Traffic NSW app, visit livetraffic.com or call 132 701.