Waka Kotahi said working in stages was the safest way to install the signs.
“To cover each sign until they’re all installed would create a safety risk, as each sign needs to be handled three times.
“Not only does this triple the time people are working on the road and increase costs, but it also means the road is under slow traffic management for longer.”
Installation has started and people will see the new speed limit signs first in Rotoiti and Rotomā, followed by Tikitere to Rotoehu, then Te Teko, Awakeri and Whakatāne.
Once the new speed limit signs are in place, the permanent new speed limits are: