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This page provides information about current planned works on SH1/Te Aranui o Te Rangihaeata – Transmission Gully Motorway.

While we aim to do this work with as little disruption as possible, we know that roadworks can be inconvenient. Thank you for your patience as this work is completed.

Remember to drive carefully through work sites and stick to the temporary speed limits. We also encourage you to plan ahead as roadworks on the state highway may affect your journey times:

If you have any questions or concerns:

Note: dates are dependent on weather/other factors and could be subject to change.

Information on this page was last updated on 30 June 2025.

State Highway 1

Type of work

Location

Direction

Dates/times

Other information

Asset surveying

SH1/ Transmission Gully interchanges and on-/off-ramps

Both

10pm, Tuesday 1 July through to 5am, Wednesday 2 July, 10pm, Wednesday 2 July through to 2am, Thursday 3 July.

Traffic will be stopped at on- and off-ramps periodically (approx. 20-30 minutes) throughout the night as the surveying takes place. We advise you to use alternative routes/exits during the times listed below to avoid delays.