A car has collided with a truck on State Highway 5.
Emergency services were called to the scene "just north of the Te Haroto summit" about 7.15pm, a police spokeswoman said.
One lane was open.
The crash occurred "just on the Napier side of the Napier-Taupo Rd", she said.
Central fire service communications shift manager Mike Wanoa said three fire appliances were still on the way to the crash site at 7.45pm.