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SH20 full motorway closure

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The NZ Transport Agency advises of the following overnight closures on the Southwestern Motorway (SH20) for work to demolish the old Rimu Road overbridge.

The NZ Transport Agency advises of the following overnight closures on the Southwestern Motorway (SH20) for work to demolish the old Rimu Road overbridge.

Closures will take place over three nights on Sunday 7, Monday 8 and Tuesday 9 December from 7:30pm until 5am the following morning. Detour routes in the local area will be in operation from 6:30pm. 

  • Northbound motorway lanes between Coronation Road off-ramp and Rimu Road on-ramp
  • Southbound motorway lanes between Rimu Road/Mahunga Drive off-ramp and Walmsley Road on-ramp
  • Coronation Road northbound on-ramp

Contingency date: Wednesday 10 and Thursday 11 December

Please follow the signposted detour routes via Mahunga Drive or Coronation Road.

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

For more information please contact:

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

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