Motorists heading into the city can expect delays from parts of Auckland this morning.
The NZ Transport Agency said just before 7.30am that traffic was heavily congested on the Southern Motorway (State Highway 1) north-bound between Drury and Papakura.
Conditions are the same between East Tāmaki and Greenlane.
Fog has been forecast in parts of the North and South islands this morning, but is expected to clear into sunny skies.
Those heading in from west of the city can expect delays between Hobsonville Rd through to Royal Rd on the Northwestern Motorway.