Current detours in place for high productivity motor vehicles and permit holders are listed below.
| Addendum | Applicable dates | Issue date | Valid to (and not after): |
|---|---|---|---|
|
Due to the full closure through the Mangamuka gorge on SH1N, a detour has been established via SH10 for all HPMVs until further notice. |
20 September 2022 onwards | 20 September 2022 | Until further notice |
| Addendum | Applicable dates | Issue date | Valid to (and not after): |
|---|---|---|---|
|
A detour has been established via SH12 and SH14 for all High Productivity Motor Vehicles (HPMV) during the closure of State Highway (SH) 1 Brynderwyn. HPMV’s are temporarily permitted to travel on SH12 between SH1 Brynderwyn and Dargaville, and SH14 between Dargaville and Whangārei. |
25 February 2024 onward | 31 January 2024 | Until further notice |
| Addendum | Applicable dates | Issue date | Valid to (and not after): |
|---|---|---|---|
| Auckland, Waikato, Palmerston North network boundary changes [PDF, 1.3 MB] (SH1N, SH2, SH3, SH4, SH32, SH41, SH46, SH47, SH48, SH49 | 19 Jan 2022 onwards | 19 Jan 2022 | Ongoing validity |
| Addendum | Applicable dates | Issue date | Valid to (and not after): |
|---|---|---|---|
|
Due to the upcoming closures of State Highway 1 between SH5 Tirau and SH28 Putaruru, a temporary detour will be established via SH5 - SH28 Whites Road. HPMVs are temporarily permitted to travel on SH28 Whites Road during this time. Overweight vehicle travel on the detour route requires a current Overweight permit for the SH28 and SH5 sections. HPMV and Overweight permit holders [, ] |
12-14 Oct 2025, 7am to 6am | 9 Oct 2025 | 15 Oct 2025 |
|
In advance of the opening of the Waikato Expressway Hamilton Section, changes are being made to the state highway referencing system. |
21 Jun 2022 | Ongoing validity | |
|
SH27 Manawapou (Magawhero Stream) Bridge has been opened to traffic. |
10 May 2022 | Ongoing validity |
| Addendum | Applicable dates | Issue date | Valid to (and not after): |
|---|---|---|---|
|
Construction of two bridges on the SH29A leg of Baypark to Baylink project is approaching completion. This permit addendum advises HPMV, 50MAX and Overweight Permit holders of the upcoming changes and how this affects them. |
Early July 2022 onwards | 20 June 2022 | Ongoing validity |
|
Addendum |
Applicable dates |
Issue date |
Valid to (and not after): |
|
This Addendum is issued to all HPMV, Overweight and 50MAX Permit Holders |
From 26 March 2025 until further notice |
Wednesday 26 March 2025 |
Until further notice |
|
The SH2 Waikare River Bridge at RS 577/14.62 was destroyed in Cyclone Gabrielle. A single lane bailey bridge has now been constructed at the bridge location in order to reconnect Wairoa and Gisborne to the lower North Island. Detour details for Overweight and HPMV permit holders [PDF, 73 KB] |
Ongoing |
10 May 2023 |
Ongoing validity |
|
The SH35 Hikuwai Bridge No 1, at RS 250/6.25 (between Tologa Bay and Tokomaru Bay), was destroyed in Cyclone Gabrielle. A single lane bailey bridge has now been constructed at the bridge location. Detour details for Overweight and HPMV permit holders [PDF, 57 KB] |
Ongoing |
14 June 2023 |
Ongoing validity |
| Addendum | Applicable dates | Issue date | Valid to (and not after): |
|---|---|---|---|
|
This Addendum is issued to all HPMV Permit Holders for travel on State Highway 2 between Waipawa and Waipukurau. |
From 26 March 2025 to 6 April 2025 (inclusive) | 26 March 2025 | 6 April 2025 (inclusive) |
|
This Addendum is issued to all Overweight permit holders for use of Rissington Bridge on Puketitri Road, Hastings. |
24 October 2024 – until further notice |
Thursday 24 October 2024 |
Until further notice |
|
Sections of SH2 between Watchman Road and the SH2/Maraekakaho Roundabout will be closed in both directions every second Sunday. |
21 March 2024 - 31 March 2025 | 21 March 2024 | 31 March 2025 |
| Addendum | Applicable dates | Issue date | Valid to (and not after): |
|---|---|---|---|
|
Addendum for detour route during the planned closure of Waitara Road, New Plymouth, between SH3 (Devon Road) and Kairau, from Sunday 31 August. |
Sunday 31 August (7pm) until 5.30am on Wednesday 3 Sept 2025 |
27 August 2025 |
3 Sept 2025 (5.30am) |
|
Addendum for detour route during closure of SH3 Broadway, Stratford southbound from Fenton Street to Page Street on Wednesday 13 – Thursday 14 August 2025. |
Wednesday 13 August 2025 (7pm) until 5am on Thursday 14 August 2025 |
5 August 2025 |
14 August 2025 (5am) |
|
Addendum for detour route during proposed lane closures of Standish and Moa Streets, Inglewood on Saturday 26 July 2025. |
Saturday 26 July 2025 (7am to 5.30pm) |
25 July 2025 |
26 July 2025 (5.30pm) |
|
This Addendum is issued to all HPMV Permit Holders to cover the detour route during the proposed new road layout of State Highway 3 New Plymouth, during construction from Tuesday 11 March 2025 until Wednesday 28 May or until the detour route is removed (whichever comes sooner) 24 hours a day. |
From 11 March 2025 to 28 May 2025 |
17 April 2025 |
Wednesday 28 May 2025 |
|
This Addendum is issued to all HPMV Permit Holders to cover the detour route during the proposed new road layout of State Highway 3 New Plymouth, during construction from Monday 28 April 2025 until Wednesday 28th May 2025 or until the detour route is removed (whichever comes sooner) 24 hours a day. |
From 28 April 2025 to 28 May 2025 |
17 April 2025 |
Wednesday 28 May 2025 |
|
This Addendum is issued to all HPMV Permit Holders to cover the detour route during the proposed road closure of SH3, between Brookes Street and Rata Street, Inglewood, New Plymouth on Friday the 25th April from 4:00am until 10:00am. |
25 April 2025 4.00am to 10.00am only |
17 April 2025 |
Friday 25 April 2025 |
|
This Addendum is issued to all HPMV Permit Holders to cover the detour route during the proposed road closure of SH44, between Egmont St and Dawson St, New Plymouth on Friday the 25th April from 4:00 am until 1:00 pm. |
25 April 2025 04.00am to 1.00pm only |
17 April 2025 |
Friday 25 April 2025 |
|
This Addendum is issued to all HPMV Permit Holders for travel on State Highway 45, Devon Street West, and Morley Street, New Plymouth between 7.00pm to 6.00am. |
From 6 April 2025 to 9 May 2025 (inclusive) Between 7.00pm to 6.00am |
1 April 2025 |
Friday 9 May 2025 (inclusive) |
| This Addendum is issued to all HPMV Permit Holders to cover the detour route during the proposed new road layout of State Highway 3 in New Plymouth, during construction from Tuesday 11 March 2025 until Thursday 17 April 2025, or until the detour route is removed (whichever comes sooner) 24 hours a day. |
From 11 March 2025 to 17 April 2025 |
10 March 2025 |
Thursday 17 April 2025 (or until the detour route is removed) |
| Addendum | Applicable dates | Issue date | Valid to (and not after): |
|---|---|---|---|
|
This Addendum is issued to all Overweight permit holders for travel on the Te Ahu a Turanga – Manawatu Tararua Highway. Overweight permit holders [PDF, 131 KB] |
7 June 2025 until further notice |
6 June 2025 |
Ongoing validity |
|
This Addendum is issued to all HPMV Permit Holders for travel on State Highway 57 from Pahiatua Aokautere Road to SH3/SH57 intersection. |
From 24 February 2025 – until further notice |
21 February 2025 |
Until further notice |
|
Moutoa Floodway Bridge, Agricultural Underpass, Manawatū River Bridge have been added to SH1. These bridges come into service on 27 February 2020. Overweight permit holders [PDF, 58 KB] |
26 Feb 2020 | Ongoing validity | |
|
Following investigation works, some sections of SH4 and SH49 have been approved for HPMV travel. This permit addendum does not authorise the travel of Overweight Vehicles on the described routes. |
21 Oct 2019 | Ongoing validity |
| Addendum | Applicable dates | Issue date | Valid to (and not after): |
|---|---|---|---|
|
Operators with a 2021 permit for transporter with a gross mass of 100T or more, or a mobile crane with a gross mass of 40T or more must apply for a new permit to be able to travel on the Peka Peka to Ōtaki Expressway, north of Wellington, once it opens. |
Once the PP2O Expressway opens | 20 Dec 2022 | Ongoing validity |
|
The new Transmission Gully SH1 is set to open at the end of March 2022 and this will affect permit holders. Bridges along SH59 (between Linden and Mackays Crossing) are being renumbered. |
Effective Mar 2022 | 28 Mar 2022 | Ongoing validity |
|
Covers proposed renumbering of SH1N between Linden and MacKays Crossing. This section will be renamed as SH59, as part of a wider project to prepare the state highway network and road users for changes to the network when the new Transmission Gully motorway opens. |
Effective 7 Dec 2021 | 3 Dec 2021 | Ongoing validity |
| Addendum | Applicable dates | Issue date | Valid to (and not after): |
|---|---|---|---|
|
This Addendum is issued to High Productivity Motor Vehicle (HPMV) permit holders to cover the Waimea Rd |
7 August 2025 (10am to 4pm) | 6 August 2025 | 7 August 2025 (4pm) |
|
This addendum is issued to all HPMV permit holders for travel during the closure of SH6 Rocks Road, between Bisley Avenue and Richardson Street, Nelson. |
16 July 2025 | 16 July 2025 | Until further notice |
|
This is issued to High Productivity Motor Vehicle (HPMV) Permit Holders to cover the detour route during closure of SH6 Rocks Road, Nelson from 25 August 2022 until the road is fully re-opened. |
25 August 2022 | Until the road is fully re-opened | |
|
Covers any existing overweight continuous or area permit allowing access across SH65 BSN 395 Rappahannock Bridge. |
22 September 2021 | Ongoing validity |
|
Addendum |
Applicable dates |
Issue date |
Valid to (and not after): |
|
This notice is issued to notify of the road works for bridge deck replacement of State Highway 73 – McGrath Creek Bridge (BSN 1425) – NOTICE ONLY |
Sunday 22 September 2024 to Wednesday 16 April 2025. Works will generally be between 7am – 7pm |
13 September 2024 |
Wednesday 16 April 2025 |
