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Transport Agency warns of high tides

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All road users are being advised by the NZ Transport Agency that unusually high tides for the Manukau and Waitemata Harbours next week have the potential to flood parts of the Auckland motorway network.

All road users are being advised by the NZ Transport Agency that unusually high tides for the Manukau and Waitemata Harbours next week have the potential to flood parts of the Auckland motorway network. High tides of up to 3.6m are expected in the first week of February, an occurrence that only happens every 6 to 7 years.

"The high tides do not pose a significant risk to the safe operation of Auckland's motorway, but they will definitely have some impact on low-lying sections of the network", says Tommy Parker, Auckland State Highways Manager for the the NZTA.

Mr Parker says the area most likely to be affected is sections of the road and cycleway on the Northwestern Motorway (SH16) between the Patiki Road Interchange and Rosebank Road Bridges. This section of the Northwestern is being raised as part of the Western Ring Route development to prevent flooding in the future.

"The cycleway in this area will definitely be underwater when the tides peak, but we do not think the motorway will be affected. However, we will be monitoring the situation and have plans in place to re-route traffic if necessary," Mr Parker says.

"We're advising cyclists to make sure they know when high tide occurs and to try and avoid using the cycleway 1.5 hours either side of high tide."

The unusually high tides will occur throughout the year on the following dates.

  • Saturday 30th January - Friday 5th February
  • Sunday 28th February – Saturday 6th March
  • Monday 29th March – Saturday 3rd April
  • Tuesday 13th July – Monday 19th July
  • Wednesday 11th August – Sunday 15th August
  • Wednesday 8th September – Monday 13th September
  • Thursday 7th October – Tuesday 12th October
  • Saturday 6th November – Wednesday 10th November

For more information on tide times, alternative routes or planned detours and closures please contact NZTA Auckland Motorways on 09 5200 200, email help@ama.nzta.govt.nz or visit www.aucklandmotorways.com(external link)

 

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