Truck accident blocks SH1 in Wellsford

police car
Police car (file)

The New Zealand Transport Agency (NZTA) is warning drivers heading north of Auckland to expect "significant delays" after a haulage truck rolled on State Highway 1.

The truck has rolled on the highway south of Wellsford on Tuesday morning, leaving one person in a serious condition.

The northbound lane was blocked for several hours. Just after 10am NZTA tweeted that SH1 had been cleared, but delays would remain.

The Serious Crash Unit is investigating.

Newshub.