Northland police say the first significant rain in weeks is causing havoc on the roads today.
There have been at least five crashes in the region, the most serious involving a pedestrian who was stuck at a crossing in Kerikeri.
Senior Sergeant Rob Huys, of Whangarei, said the first call came in about 9am when a 4WD slid off State Highway 11 between Opua and Kawakawa.
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About 9.45am another vehicle left SH1 at Hukerenui, north of Whangarei. No-one was injured in either crash.