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Traffic and travel updates: visit the Journey Planner website(external link) for more information about the latest road closures affecting the South Island following the recent weather events.

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Diversions for southbound traffic on toll road

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Diversions will be in place for southbound traffic through the Northern Gateway Toll Road (State Highway 1) next week (29 February and 1 March) while safety and traffic information signs at the Johnstone Hill Tunnels are painted and cleaned.

The southbound tunnel will be closed from 10pm each evening until 4am. Traffic will be diverted off the Northern Gateway Toll Road at Waiwera and back onto the state highway again at Silverdale.

This will add approximately 10 minutes to the journey.

The closures have been timed to coincide with the lightest traffic volumes to minimise the disruption to drivers.

The work is necessary to ensure signs which provide important safety and travel information to motorists are well maintained.

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