Local motorists are being alerted to proposed changed traffic conditions along the Campbelltown bypass to repair a drain near Warby Street.
Work will take place for up to two-night shifts between Sunday, November 10 and Sunday, November 24, between 8pm to 5am from Sunday to Thursday.
There will be no work on Friday or Saturday nights.
Temporary traffic changes will be in place to make sure the work zone is safe for workers and road users including lane closures and a 40km/h speed limit.
Road users are advised to drive and ride to the conditions and follow the directions of signs and traffic controllers.
There will also be changed traffic conditions at the intersection of the Hume Highway and Picton Road as well as along the Hume Highway 2km north of the intersection in Wilton.
These changes are necessary for koala fence installation and associated vegetation works to reduce the risk of vehicle collisions and protect both wildlife and drivers.
Work will be undertaken between November 3 to December 20, from 7am to 6pm, Monday to Friday and 8am to 1pm on Saturdays.
Night work will be undertaken between 7pm and 6am, Sundays to Thursdays. There will be no work on Friday or Saturday nights or on public holidays.
A single lane closure with traffic control and a reduced speed limit of 80km/h will be in place during the works.
And finally the intersection of Heath and Byron Roads, Leppington will also see changed traffic conditions to allow flashing sign relocation work to lengthen the school zone west of Leppington Anglican College.
Work will be for two days between next Monday, November 4 and Monday, November 11, 9.30am to 2.30pm.
Traffic changes will include lane closures and a reduced 40 km/h speed limit.
For the latest traffic updates download the Live Traffic NSW App, visit livetraffic.com or call 132 701.