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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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SH20 full motorway closures

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The NZ Transport Agency advises of the following overnight closures on the Southwestern Motorway to lift beams into place on the new Rimu Road overbridge and to complete work on the Hastie Avenue footbridge.

The NZ Transport Agency advises of the following overnight closures on the Southwestern Motorway (SH20) to lift beams into place on the new Rimu Road overbridge and to complete work on the Hastie Avenue footbridge.

  • Monday 20 and Tuesday 21 April, both nights between 8pm and 5am (contingency date Wednesday 22 April)
  • This will affect motorists travelling southbound between Mahunga Drive off-ramp and Walmsley Road on-ramp, and northbound between Coronation Road off-ramp and Rimu Road on-ramp

Please follow the signposted detour routes and allow extra time, especially when travelling to the airport.

The NZ Transport Agency thanks you for your co-operation during this work.

For more information please contact:

Manukau Harbour Crossing project office
T          0800 SH20 MHX (0800 7420 649)
        www.nzta.govt.nz/manukauharbourcrossing(external link)

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