5:36:26 Wednesday 2 April 2025

North Island road closures: what you need to know

SH25A in the Coromandel has collapsed following heavy rain in the region. Photo: Coromandel MP Scott Simpson/Facebook.

Waka Kotahi NZ Transport Agency has been undertaking geotechnical assessments in a number of areas where there have been slips onto the road and underneath the road.

"We know there's going to be further need to assess the damage to the network and that will happen as quickly as possible," says a spokesperson for the roading agency.

State Highway closures as of 9am:

Northland region:

SH1 Brynderwyn to Waipu:

This stretch of road remains closed from the SH12 intersection to Waipu.

Motorists should expect delays with a detour via Waipu / Mangawhai. Freight and heavy vehicles are advised to detour via SH12. Light vehicles should detour via Waipu/Mangawhai.

Auckland region:

SH16 Helensville to Waimauku

Flooding near Bradly Road has closed the road. Please expect delays and use the detour available.

Waikato / Coromandel region:

SH2 Mangatawhiri to Maramarua

Due to flooding and slips, SH2 is closed between Mangatawhiri Rd and Kopuku Rd. There is a detour available but please allow an extra 30 minutes travel time for the detour and expect delays.

SH2 Pokeno to Mangatarata

Due to a large slip, SH2 is closed between SH25 and SH27. Expect delays through this area and take extra care

SH25 between Coromandel and Whitianga

There are multiple slips, which has forced the closure of this road overnight. Roading contractors are assessing this area today.

SH25A Kopu to Hikuai:

The highway remains closed until further notice following a large section of road collapsing over the weekend

The Tapu-Coroglen and 309 roads are also closed. Detour is State Highway 2 via Karangahake Gorge.

The gorge remains open however we are closely monitoring for any signs of flooding. The DoC carpark is closed and we discourage access to leisure facilities during this time.

SH37 Waitomo

SH37 remains closed between the roundabout at SH3 and Fullerton Road.

Work is being undertaken to reopen this slip to one lane as soon as possible. It is currently passable for 4WDs and trucks.

Hawke's Bay

SH5 Napier-Taupo

A failed culvert has closed the northbound lane near Tarawera. The road is under stop/go traffic management.

Taranaki region:

SH43 Stratford to Taumarunui

The large drop out remains but the road is now open and under stop/go traffic management

Please check road and weather conditions before your journey:

Waka Kotahi Journeys

Metservice Weather Warnings

For more information on the Auckland storm event see:

https://www.aucklandcouncil.govt.nz/

https://at.govt.nz/about-us/news-events/service-disruptions/severe-weather-impact-across-the-auckland-area/

https://www.civildefence.govt.nz/

Plan ahead for a safe, enjoyable journey. Keep up to date with:

· Traffic updates: journeys.nzta.govt.nz/traffic

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