Stop/go traffic controls will be in place on High Street North near Plimsoll Street on the nights of Tuesday 3, Wednesday 4, and Thursday 5 May.
This is part of the work to upgrade the sewer in that area. The controls will be in place between 7pm and 6am.
The work is being led by Waka Kotahi/NZTA, Capital Journeys, and Fulton Hogan.
Waka Kotahi/NZTA have notified nearby residents.
For further information, visit the Waka Kotahi/NZTA website.