There will be a full westbound closure of State Highway 16 (SH16) between Great North Road and Te Atatu Road on Wednesday 14 October from 10pm to 5am for road surfacing maintenance.

The Waterview Tunnel will also be closed to northbound traffic on State Highway 20 (SH20) as part of these works.

The following ramps and links will be closed:

• SH20 northbound to SH16 westbound link.
• SH20 northbound to SH16 eastbound link.
• SH20 Maioro Street northbound on-ramp.
• SH16 westbound to SH20 southbound link.

For those heading west via SH16, please follow the signposted detour via Maioro Street, Tiverton Road, Blockhouse Bay Road, Wolverton Street, Clark Street and Great North Road where road users will be able to get onto SH16 at Te Atatu.

For those wanting to access Central Auckland exits or State Highway 1 (SH1), exit early at Dominion Road. Alternatively, follow the detour above to get on SH16 at the citybound Great North Road onramp.

For those travelling from the west on SH16, the link to the Waterview Tunnel will be closed.

Please follow the signposted detour via Great North Road, Clark Street, Wolverton Street, Blockhouse Bay Road, Tiverton Road, New Windsor Road, Maioro Street, where you will be able to join SH20 for southbound travel.

For the full westbound closure between Great North Road to Te Atatu Road, the following ramps will be closed:

• SH16 Great North Road westbound on-ramp.
• SH16 Patiki Road westbound on-ramp.
• SH16 Rosebank Road westbound off-ramp.
• SH16 Te Atatu Road westbound off-ramp.

Please follow the signposted detour via Great North Road, Ash Street, Rata Street, Great North Road and Te Atatu Road, where road users will be able to re-enter SH16 and continue westbound.

Noting: Patiki Road will be closed between the roundabout and the SH16 westbound on-ramp, traffic control will assist with vehicles who need access to properties along this section.

Nearby properties may experience increased noise while the team complete the work.

Works are weather dependent and may change. For real time updates, visit the NZTA Journey Planner.

Road surfacing maintenance is vital for the safety and reliability of our network.  Thank you for your patience and support as we carry out this important work.