State Highway 3 (SHÂ 3) is one of New Zealand's eight national state highways. It serves the west coast of the country's North Island and forms a link between State Highway 1 and State Highway 2. Distances are measured from north to south.
Mokau Bridge opened 1927
Tunnel at the north end of the Awakino Gorge, now bypassed by two bridges built in 2021. There is another short tunnel near the top of Mount Messenger