The community is being invited to have its say and learn more about potential safety improvements on Wainui Road and State Highway 2, from the outskirts of Ōhope to Ōpōtiki.
The NZ Transport Agency, Heritage New Zealand and local hapū are excavating what could potentially be a defensive trench from the New Zealand Land Wars or the inter-tribal Musket Wars.
People using State Highway 25 between the Coromandel and Auckland are advised to allow extra time for their journey while a new clip-on cycle lane is installed from Tuesday.