Motorists are advised of changed traffic conditions next week on the M1 Princes Motorway between Masters Road at Figtree and the Princes Highway at Dapto for routine maintenance work.
Work will include road repairs and resurfacing, vegetation clearing, cleaning gutters and drains, maintenance of safety barriers and litter collection.
The M1 Princes Motorway will be closed in both directions from 8pm and 4am for five nights from Sunday 11 to Thursday 15 May, weather permitting.
Detours will be in place with light vehicles will detour via the Princes Highway.
Heavy vehicles will detour via Masters, Springhill and Five Islands roads, King Street, Windang and Lake Entrance roads.