One person has minor injuries following a crash on State Highway 1 north of Auckland.

A motorcycle and a car were involved in the crash between Warkworth and Puhoi shortly before 7am.

A northern region police spokesperson said officers were at the scene of the crash near Windy Ridge.

Meanwhile, motorists heading into Auckland this morning on the Northern Motorway may face delays.

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A crash was blocking the right hand lane after Northcote Rd.