The Ara Tūhono - Pūhoi to Warkworth motorway project is carrying out night works on SH1, at the Kaipara Flats Road/Goatley Road intersection.
The drainage, utilities trench works, earthworks and pavement works were due to start on January 10 and are due to finish by January 28, weather permitting.
There will be stop/go traffic management in place from 7pm to 5am (Sunday to Thursday only). There will also be a temporary speed limit of 30km/h.
Road users are reminded that a temporary maximum speed limit of 60km/h is in place on this section of SH1 at all other times.
The motorway is due to open in May next year.