Changed traffic conditions will be in place this Sunday on the M1 Princes Motorway and Picton Road.
The M1 will be closed between Bulli Tops and Memorial Drive in Wollongong and Picton Road will be closed between the M1 and Wilton Road.
The M1 and Picton Road will be closed in both directions between 8pm and 4am, weather permitting. Picton Road eastbound will be closed between 7.30pm and 4am.
Motorists travelling between Wollongong and Bulli Tops can detour via Memorial Drive and Bulli Pass and should allow up to 10 minutes additional travel time.
Motorists travelling between Wollongong and the Hume Highway can detour via Memorial Drive, Bulli Pass and Appin Road, and should allow up to 40 minutes additional travel time.
Essential maintenance work will be carried out overnight which involves vegetation clearing, road resurfacing and maintenance of safety ramps.
This work is being carried out at night to reduce the impact on motorists and detours will be in place.