Current detours in place for high productivity motor vehicles and permit holders are listed below.

North Island

  • Northland
    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.

    Detour details for HPMV permit holders [PDF, 205 KB]

    25 February 2024 onward 31 January 2024 Until further notice
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  • Taranaki
    Addendum Applicable dates Issue date Valid to (and not after):

    This Addendum is issued to HPMV Permit Holders to cover the detour route during the proposed road closure of McLean Street, Waitara.

    HPMV permit holders [PDF, 212 KB]

    Thu 28 Nov 2024 from 10pm until 7am

    Fri 22 Nov 2024

    Until Fri 29 Nov 2024

    This Addendum is issued to High Productivity Motor Vehicle (HPMV) Permit Holders to cover the detour route during the proposed road closure of SH3, between Brown Street and Brookes Street, Inglewood, New Plymouth.

    HPMV permit holders [PDF, 381 KB]

    Fri 24 Jan 2025 from 10am until 2pm

    Thu 21 Nov 2024

    Until Sat 25 Jan 2025

    This is issued to all High Productivity Motor Vehicle (HPMV) Permit Holders to cover the detour route during the upcoming closure of Waitara Road (between SH3, Devon Road and 44 Waitara Road)

    HPMV permit holders [PDF, 163 KB]
    Sun 15 Sep 2024 to Sat 30 Nov 2024 Mon 9 Sep 2024

    Sat 30 Nov 2024  

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  • Wellington
    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.

    Overweight permit holders [PDF, 227 KB]

    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.

    Overweight, HPMV and 50MAX permit holders [PDF, 428 KB]

    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.

    Overweight, HPMV and 50MAX permit holders [PDF, 292 KB]

    Effective 7 Dec 2021 3 Dec 2021 Ongoing validity
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South Island

  • Tasman
    Addendum Applicable dates Issue date Valid to (and not after):

    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.

    HPMV permit holders [PDF, 183 KB]

      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.

    Overweight permit holders [PDF, 123 KB]

      22 September 2021 Ongoing validity
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  • Canterbury

    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

    Road works notice [PDF, 45 KB]

    Sunday 22 September 2024 to Wednesday 16 April 2025. Works will generally be between 7am – 7pm

    13 September 2024

    Wednesday 16 April 2025

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