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:
- SH2 Waioeka Gorge
- SH2 Waimana Gorge
- SH35 Maraenui
- SH35 Motu Bluffs.
- SH35 Hawai to Te Kaha
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.