Drivers should expect delays as night work takes place across the Bay Link site over the next week.
Waka Kotahi NZ Transport Agency said in a release service ducts would be installed on State Highway 2 near the Bayfair roundabout from Monday to Thursday.
Lane closures will be in place on the approaches to, and around, the Bayfair roundabout while this work is under way. A 30km/h speed limit currently applies in this area.
Overnight on Tuesday, temporary drainage works will be carried out around the Baypark roundabout. There will be lane closures in place while this work is under way. A 50km/h temporary speed limit is in place on SH29A near Baypark for the duration of the Bay Link project.