Traffic is backed up after logs have been scattered across State Highway 2 in Tauranga.
The logs had been travelling on a truck and trailer which was travelling eastbound through Bethlehem when the vehicle lost its load this afternoon.
A police spokesman said six large logs fell onto the highway and have since been rolled to the side of the road.
"Motorists are going around the logs carefully but traffic is backing up," the spokesman said.
Police was called to the scene at 1.42 pm and there were no reported injuries.