One person has died following a crash on State Highway 1 between Te Kamō and Kauri on Saturday.
The accident occured about 4.30 pm.
State Highway 1 was closed north of Whangārei between Great North Road and Salesyards Road for a number of hours.
Commuters were asked to avoid the area by delaying their journey or using an alternate route.
Waka Kotahi New Zealand Transport Agency posted a final update on Sunday morning stating the road was re-opened at 8pm on Saturday night, over three hours after the accident occurred.