Traffic on State Highway 1 is still down to one lane and is expected to stay that way until at least 4pm today, while a crane is brought in to remove a truck and trailer involved in a fatal crash.
The driver of the truck has died in a crash in south of Kaiwaka after crashing into a stationary vehicle and plunging down a bank.
The truck went down a bank, close to the intersection of State Highway 1 and Settlement Rd in Kaiwaka, Kaipara District, at about 6am, police said.
"Initial indications show the truck hit another stationary truck on the road before going down a steep bank," police said.
The driver died at the scene. No one else was injured.