The NZ Transport Agency is asking motorists in eastern Bay of Plenty to be aware of the risk of rock-falls and slips after the earthquake and aftershocks this morning.
Contractors have been out monitoring and surveying the highway network.
No damage or rock-falls have been reported.
But the aftershocks are bringing an increased risk of rock-fall and slips at the following parts of the state highway network:
The Transport Agency advises motorists to plan their journey, check weather and road conditions and choose the safest route possible if you have the option.