The Lindis Pass in Otago will be closed for up to two hours tomorrow to recover a truck involved in a crash 17km north of Tarras.
State Highway 8 south of Goodger Road will be closed from 9am this morning.
Motorists travelling between Omarama and Cromwell have been advised to postpone their trip during this time.
North-bound traffic will be diverted at Cromwell.
South-bound motorists will need to travel towards Palmerston on State Highway 1 before turning onto State Highway 85
NZTA says a crane is being brought in to lift the truck back onto the road.
Police said the truck collided with a car about 12.30am yesterday.
The truck driver was uninjured, but the driver of the car was transported to hospital with moderate injuries.