All lanes have since reopened.
Police earlier advised motorists to expect “extensive delays”.
At 7.45am it was taking 1 hour and 14 minutes to travel from Bombay to Auckland city on the Southern Motorway.
Delays are expected following a crash on Auckland’s Southern motorway this morning. Photo / Google Maps
NZ Transport Agency Waka Kotahi (NZTA) said lanes two to four are blocked following the accident.
“Pass with caution and expect delays in the area. Please follow the directions of emergency services.”