"Travelling south traffic at standstill just south of Manukau, very slow from harbour bridge. Looks like another hour to Bombays."
The NZTA is advising motorists to drive with care and plan ahead to avoid delays.
NZTA has road hazard warnings due to holiday traffic in place heading both north and south.
Hot spots for lengthy waits are at State Highway 1 northbound at Warkworth and State Highway 1 southbound before Princes St.
NZTA is advising motorists to avoid these areas if possible.
NZTA spokesman Andy Knackstedt said all main routes heading out of Auckland were currently "pretty chocka".
Where to go for traffic information:
• Go to: www.nzta.govt.nz or
• Sign up to www.onthemove.govt.nz
• Freephone 0800 4 HIGHWAYS