Auckland’s Northern Motorway reopens at Silverdale, southbound after multi-vehicle smash

A section of Auckland‘s Northern Motorway has reopened after an earlier three-vehicle crash that sent two people to hospital with moderate injuries.

Emergency services rushed to the crash, near the Silverdale off-ramp shortly before noon.

The crash had blocked all southbound lanes.

In an update shortly before 1pm, NZTA said the crash had been fully cleared and motorists should expect residual southbound delays to ease.

UPDATE 12:20PM
Both southbound lanes are now CLOSED with traffic being diverted off #SH1 at Silverdale off-ramp and returning to SH1 via Silverdale on-ramp. Delay your journey or expect delays. ^TP https://t.co/pLoqdcTyKQ

— NZ Transport Agency - Auckland & Northland (@nztaaklnth) March 6, 2025