Drivers should expect overnight closures, altered lane layouts and stop-go controls on State Highways 1, 58 and 59 during the week ending Friday, 31 July.
NZTA says the work is weather-dependent and may be postponed at short notice.
State Highway 1
The Kenepuru southbound on-ramp on Transmission Gully is scheduled to close from 9pm Monday until 4.30am Tuesday for streetlight repairs.
Daytime lane closures are planned at various Transmission Gully locations from Monday to Friday, between 6am and 3.30pm, while traffic-counting loops are installed.
A southbound lane closure is also planned at Battle Hill from 9am to 5pm, Monday through Wednesday, for drainage work.
State Highway 58
An altered lane layout will operate on Haywards Hill, between the Haywards interchange and Mt Cecil Road, from 8am to 4pm Monday while slip material is cleared.
Safety-project work will continue around Judgeford between Moonshine Road and Flightys Road throughout the week.
Stop-go controls are planned between Moonshine Road and the golf course from 7pm to 5am, Sunday through Thursday.
Drivers may also encounter stop-hold controls west of the Pāuatahanui roundabout from 8am to 4pm, Monday through Friday, for bridge and path work.
State Highway 59
A northbound lane on Mana Esplanade, between Pascoe Avenue and Marina View, is scheduled to close from 8am to 2pm Monday for footpath work.
A northbound lane between the Linden and Mungavin interchanges is expected to close from 8pm to 4am on Wednesday and Thursday nights while drainage channels are cleared.
Stop-go controls are also planned between the Paekākāriki interchange and Beach Road from 6am to 4pm, Monday through Friday, for tree removal.
Drivers should allow additional time and follow temporary traffic controls. Current conditions and last-minute changes are available through the NZTA Journey Planner.