A two-vehicle crash on State Highway 2, Whakamārama near the intersection of Barrett Rd has resulted in the moderate injuries to one person and the closure of northbound lanes.
A police communication spokeswoman said the crash happened just after 6 pm tonight.
Fire and St John Ambulances personnel were also attending, she said.
"There were two people in each vehicle but no reports of anyone trapped, however, a passenger in one vehicle has moderate injuries," the police spokeswoman said.
She said there was also a lot of debris on the road, and the northbound lanes were blocked and traffic was being diverted around the crash scene.