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Overnight closure of SH1 Silverdale-Warkworth

October 21, 2024 8:48am

Hibiscus Matters


Oct 21, 2024 8:48am

A full closure to northbound and southbound traffic on State Highway 1 between Silverdale and Warkworth will be in place from 9pm Monday October 21 to 3am Tuesday October 22.

Light vehicles will be detoured via Hibiscus Coast Road and Old State Highway 1. Overweight vehicles will not be able to use Grand Drive in Ōrewa due to weight restrictions. 

NZ Transport Agency Waka Kotahi (NZTA) will be working with Fire and Emergency NZ (FENZ) and NZ Police on an emergency response exercise at Johnstones Hill Tunnels. 

The emergency exercise is part of an ongoing programme to enable emergency response teams to practice, review and update emergency response protocols. During the exercise people may hear tunnel alarm and emergency sirens or see flashing lights travelling to site through Silverdale, Ōrewa and Puhoi.

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