As part of the SH20 Maunkau Harbour Crossing project, the NZ Transport Agency will improve the drainage and stormwater quality around Mangere Bridge. A stormwater treatment facility will be built around Onehunga Harbour Road to treat the water before it is released into the Manukau Harbour.
As part of its comprehensive bridge maintenance schedule, the NZ Transport Agency is again carrying out annual resurfacing work on Auckland Harbour Bridge over the Christmas and New Year holiday period.
The NZ Transport Agency would like to remind motorists that the scenic SH16 alternative route is usually less congested than SH1 and can save time when travelling to and from Northland this coming Christmas and New Year holiday period.
Highway traveller information will be getting a further boost in the New Year when NZTA begins construction on the second stage of a comprehensive electronic monitoring system between Wellington and Petone.
All roadworks on motorways and state highways in Auckland and Northland - except for the Auckland Harbour Bridge - will be put on hold throughout the Christmas and New Year holiday period. This is done every year to improve the convenience and safety of motorists over this period.
A section of State Highway 2 and 29 between the Taipari Street Over Bridge and the Maungatapu Roundabout will be closed overnight from 7.00pm Monday 15 December to 6am Tuesday 16 December as part of on the NZ Transport Agency (NZTA) project to signalise the Welcome Bay and Maungatapu roundabouts.
The NZ Transport Agency advises of the following closures for motorway improvements and maintenance. Closures start at 9pm and finish at 5am, unless otherwise stated. Work delayed by bad weather will be completed on or before the contingency date.