Transport for NSW is advising motorists about changes in overnight traffic conditions across the region over the next few months.
On the M1 Pacific Motorway, the transport authority will carry out essential maintenance between the Hunter Expressway and John Renshaw Drive intersection.
A 10 kilometre section of the motorway will be closed southbound over two nights from 7.30pm to 4.30am on Sunday 21 and Monday 22 February, and northbound over two nights from 7.30pm to 4.30am on Tuesday 23 and Wednesday 24 February, weather permitting.
During work hours a detour will be in place via John Renshaw Drive and the Hunter Expressway, which is expected to add about 10 kilometres to journeys, or about 10 to 15 minutes travel time.
Work includes road resurfacing and repairs, improving drains and road shoulders, installing guideposts, litter collection and mowing.
From Monday (22 February), the transport authority will carry out continuing bridge maintenance on the Pacific Highway, from one kilometre south of Mount Hall Road to 500m north of Richardson Road.
Work will be carried out from 7pm to 5am on weekdays, intermittently over the next three months, and is expected to be completed by the end of May, weather permitting.
Lane closures and an 80km/h speed limit will be in place during work hours, which may impact travel times.
In Beresfield, from Monday, Transport for NSW will begin routine maintenance on bridge noise walls on John Renshaw Drive.
To minimise impact to motorists, work will be carried out from 7pm to 3am on weekdays, intermittently over the next three months, and weather permitting is expected to be completed by the end of May.
During work hours, Transport for NSW advise lane closures and a 40km/h speed limit will be in place.
In Tarro, Transport for NSW will carry out investigative work on Anderson drive, starting Monday.
The overnight work will take place from 7pm to 3am, and is expected to be complete by May.
Lane closures and a 40km speed limit will be in place.
Motorists are advised to drive to the conditions, and follow the directions of signs and traffic control.
For the latest traffic updates, visit the Live Traffic website.