Overnight SH1 closures
Posted: 25-Nov-2021 |


Covid-19 delayed State Highway 1 road works at Albany are planned by the Northern Corridor Improvements (NCI) project team beginning this weekend, with the objective of finishing work ahead of the summer holiday period.

Waka Kotahi NZ Transport Agency is advising drivers to prepare for daytime delays southbound on the Northern Motorway on Sunday 28 November due to work on the underpass connection for SH1 to SH18.

To prepare for the daytime works, overnight full closure periods will apply on  State Highway 1 (SH1) southbound between Greville Road and Constellation Drive.

The first is required overnight from 9pm on Saturday 27 November till 5am on Sunday 28 November to install and remove temporary lane barriers. Detour routes will be available.

A lowered speed limit will be in place during day works from 5am till 9pm on Sunday 28 November with a further full closure of the southbound lanes from 9pm on Sunday 28 November till 5am on Monday 29 November.

During the daytime works temporary lane barriers will be used to detour vehicles around either side of the work area, with a 50kmph speed limit in place.

The team will be completing a concrete pour on the future SH1/SH18 underpass and need to ensure vibrations from passing vehicles is kept to a minimum.

Waka Kotahi encourages drivers to plan ahead and avoid the Albany and Rosedale area if possible.

For people who need to travel through the area, Waka Kotahi advises drivers to choose their lane much earlier than usual and look out for messaging on overhead and electronic signs.

Motorists who want to exit SH1 at Constellation Drive will need to use the left lane only.

An express lane to the right of the work area will also be operating for people wanting to continue their journey south towards the city. 

Drivers will not be able to exit State Highway 1 at Constellation Drive if they are in the right-hand lane.

Due to the preparation needed, crews were unable to undertake this work during higher Covid-19 Alert Levels.

Waka Kotahi also advises that two weekends will be needed to complete this work, with the same restrictions in place across the weekend of December 4-5.

Full closures are also scheduled from 9pm on Saturday 4 December till 5am on Sunday 5 December and then the following night from 9pm on Sunday 5 December to 5am Monday 6 December.

The NCI team is completing the work now, to minimise disruption ahead of the opening of Auckland’s borders and the busy summer months.

When complete, the underpass will provide a direct motorway to motorway connection for people travelling from the north and wanting to head west, completing the Western Ring Route.


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