A van has rolled on State Highway 5 near Waiotapu Loop Rd south of Rotorua.
A photographer at the scene said the southbound lane of SH5 was blocked.
He said police, fire and ambulance services were at the scene just south of the Waiotapu Tavern.
A police media spokeswoman said it received the call "just after 10am".
"There is one person with moderate to minor injuries.