A three-car pile-up north of Whangarei has injured three people and caused major traffic disruption on State Highway 1.
The crash occurred about 10.30am near the intersection of Saleyard Rd and SH1 when three vehicles collided nose-to-tail in the southbound lane.
Police are at the scene and traffic diversions are in place.
Vehicles travelling north have been diverted along Great North Rd through Kamo, onto Station Rd and then Saleyard Rd to SH1. Vehicles heading south have been diverted onto Saleyard Rd.
Three people have been transported to Whangarei Hospital with moderate to serious injuries. The Serious Crash Unit is investigating the cause of the crash.