Police have now reopened all lanes on the Southern motorway following a serious crash which occurred on the Northbound Lanes near Takanini on Friday 15 December 2017.
The crash, which was reported shortly after 2.30pm, involved a vehicle and a motorcycle.
One person received serious injuries in the crash and was been transported to Middlemore Hospital.
Both northbound lanes were blocked with a significant tailback of traffic back to Ramarama. A temporary lane was opened through roadworks to allow traffic to pass through.
At around 5:00pm, The southbound lanes were cleared, however there was still heavy congestion in both directions.
The Serious Crash Unit is investigating and there are no further update at this time.