There are multiple closures scheduled between Sunday 15 and Friday 20 March from Silverdale to Warkworth for maintenance, which will affect State Highway 1 (SH1) travel.

Road users should expect delays and check the NZTA Journey Planner before they travel.

The closures are:

· Johnstones Hill Tunnels: There will be a full northbound closure from 9pm Sunday 15 to 9pm Wednesday 18 March night and day (24/7). Traffic will still be able to travel north using one of the southbound lanes.

· Silverdale interchange to Warkworth: There will be a full northbound closure overnight on Tuesday 17 March between 9pm and 5am. Please use the recommended detour via Hibiscus Coast and Old State Highway 1.

· Johnstones Hill Tunnels: There will be a full southbound closure from 9pm Wednesday 18 March to 5am Friday 20 March night and day (24/7). Traffic will still be able to travel south using one of the northbound lanes.

· Warkworth to Silverdale interchange: There will be a full southbound closure overnight on Wednesday 18 March between 9pm and 5am. Please use the recommended detour via Old State Highway 1 and Hibiscus Coast Highway.

NZ Transport Agency Waka Kotahi (NZTA) thanks road users for their patience.

Plan for a safe, enjoyable journey. Keep up to date with:

• Traffic updates - http://journeys.nzta.govt.nz/traffic
• Journey Planner - http://journeys.nzta.govt.nz/
• Phone: 0800 4 HIGHWAYS (0800 44 44 49)

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