8 Feb 2026

Wellington SH1 tunnel closures begin

9:36 am on 8 February 2026
Terrace Tunnel closed after crash.

(File photo) Photo: RNZ / Rebekah Parsons-King

Wellington's Terrace Tunnel will be closing for work overnight this week - from the night of Sunday 8 February through to the morning of Friday 13 February.

The Wellington Transport Alliance regularly closes a tunnel on State Highway 1 for routine maintenance.

First up is the Terrace Tunnel, then Mount Victoria Tunnel on the 16 February, and the Arras Tunnel on Buckle Street on 17 February.

In each case they will be closed from 9pm until 5am.

Work typically carried out during the closures includes cleaning, repairs, replacing lights, clearing drains, keeping emergency systems up to date, maintenance for fire detection and fire suppression systems, and maintenance for ventilation and air quality monitoring systems.

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