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Traffic Notice 26 August–1 September: Southern Corridor Improvements

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Welcome to the traffic notice for the week of 26 August–1 September for the Southern Corridor Improvements Project.

Traffic notices provide a brief overview of likely traffic disruptions for the following week. Full closures are also advertised in the Weekend Herald. Traffic notices are complemented by monthly construction updates and quarterly newsletters.

ALREADY IN PLACE
  • Narrowed lanes and 80 km/h speed limit northbound between the Pahurehure Inlet and Hill Road.
  • Narrowed lanes and 80 km/h speed limit southbound between Hill Road and the Pahurehure Inlet.
TRAFFIC NEXT WEEK
  • Sunday 28 August – Tuesday 30 August – Night closure of the full southbound motorway between the Manukau Interchange through to the Takanini Interchange. This includes closure of the Redoubt Road on-ramp, Lambie Drive eastbound on-ramp, and the SH20–1 Link. 
  • Sunday 28 August – Night closure of two lanes northbound on the motorway between the Takanini Interchange and Hill Road.
  • Monday 29 August – Night closure of the full northbound motorway between the Takanini Interchange through to Hill Road. This includes closure of the Takanini on-ramp (Great South Road).
  • Tuesday 30 August – Night closure of two lanes northbound on the motorway between the Takanini Interchange and Hill Road.
UPCOMING WORKS (dates may be subject to change)
  • Sunday 4 September – Monday 5 September - Night closure of the full southbound motorway between the Manukau Interchange through to the Takanini Interchange. This includes closure of the Redoubt Road on-ramp, Lambie Drive eastbound on-ramp, and the SH20-1 Link.
  • Tuesday 6 September – Wednesday 7 September – Night closure of the full northbound motorway between the Takanini Interchange through to Hill Road. This includes closure of the Takanini on-ramp (Great South Road).
  • Thursday 8 September – Night closure of the full southbound motorway between the Takanini Interchange and Papakura. This includes closure of the Takanini on-ramp (Great South Road).

Night work on the motorway next week involves drainage installation, sheet piling work, and general road maintenance. If it rains or ground conditions are too wet, work will be postponed until the next available dry night.

Work during the night will allow our crews to operate equipment safely while adjacent to the existing traffic lanes. Work in the shoulder and median work zones will continue during the daytime next week, but this will not affect traffic movements.

Night closures are typically from 9pm at night to 5am in the morning. Detours will be in place to take motorists along local roads, leading back to the next motorway interchange. All detours will be clearly signposted, and maps of the typical routes can be found on our website.  Please allow extra time for your journey at night.

It is important that motorists keep to the 80 km/h speed limit past our work areas. There will be ongoing truck and project vehicle movements accessing the shoulder and median work sites. Keeping both motorists and our team members safe as possible is imperative and we need everyone's help to do this.

As always, we will be doing our best to minimise effects of these works on motorists as much as we can.

We thank you for your patience as we work to improve journey reliability and safety along the Southern Corridor.

You can read more background information and find out more about the project through our website, www.nzta.govt.nz/auckland-southern-corridor.

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