News & Media Releases

All media releases for the Manukau Harbour Crossing issued by Transit New Zealand are listed here, going back to 2 October 2005. Each release is listed as it is released to the media.

NZTA extends Manukau Harbour walking and cycling links

16 February 2011

New sections of cycle and walk ways constructed as part of the NZ Transport Agency's Manukau Harbour Crossing project will be officially opened this Sunday (20 February) by the Minister of Transport, Hon. Steven Joyce.
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New Manukau Harbour crossing now fully open

31 August 2010

Weather permitting, the NZ Transport Agency says all lanes on the upgraded Southwestern Motorway [SH20] between Walmsley Road and Queenstown Road will be open and fully functioning from 5am tomorrow [Wednesday 1 September].
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Manukau Harbour Crossing opens seven months early

25 July 2010

Transport Minister Steven Joyce has paid tribute today to the hard work and skill of the men and women working on the Manukau Harbour Crossing, which he officially opened with Prime Minister John Key today - seven months ahead of schedule.
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Manukau Harbour Crossing to finish ahead of schedule

26 February 2010

The Manukau Harbour Crossing project on the Southwestern Motorway will be complete and open seven months ahead of schedule, says Transport Minister Steven Joyce.
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Big lift coming up at landmark Onehunga footbridge

28 January 2010

A 35-metre steel pylon will be erected overnight next Wednesday 3 February at the site of the new Beachcroft Avenue foot bridge over the Southwestern Motorway (SH20) at Onehunga.
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Gap closes at new Mangere Bridge

9 December 2009

The largest bridge being built in New Zealand – the 650-metre duplicate Mangere Bridge over the Manukau Harbour - reaches two significant milestones before Christmas.
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Solid Win for MHX

23 October 2009

The Manukau Harbour Crossing project has won the NZ Concrete Society’s landscaping award for a concrete wall sculpted to resemble natural rock.
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Lane changes coming up for Manukau Harbour Crossing

23 October 2009

Traffic will shift to newly constructed lanes north and south of the Mangere Bridge on the Southwestern Motorway [SH20] in the next two weeks.
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Better access on foot or by cycle PDF (1.40MB)

14 October 2009

The Manukau Harbour Crossing project includes local cycling and walking improvements, to make it easier to get around on foot or by bicycle
View PDF (1.40MB)

Night works in your neighbourhood this week

14 September 2009

We are planning to remove the old metal median barrier on the motorway between the Mangere Bridge and the Rimu Road overbridge overnight Monday and Tuesday.
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Motorway closure - Thursday night

14 September 2009

SH20 southbound between Rimu Road and the Walmsley Road over bridge will be closed overnight on Thursday 17th September.
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Planning starts for reserve's restoration

12 August 2009

Planning is underway to restore the Manukau Harbour Crossing project's construction site in Mangere Bridge as the park it previously was.
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New lanes ready for use on SH20

5 May 2009

Motorists will get to drive on the newly constructed motorway lanes south of Mangere Bridge on the Southwestern Motorway [SH20] from next week.
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Overnight motorway closures on the Southwestern Motorway

14 April 2009

The NZ Transport Agency will close the Southwestern Motorway (SH20) overnight on Sunday 19, Monday 20 and Tuesday 21 April to lift beams into place on the new Rimu Road overbridge.
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Onehunga work to resume

1 April 2009

NZTA will resume preparations for motorway widening across the Onehunga causeway tomorrow (Thursday 2 April).
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Overnight closures to progress the new Hastie Avenue footbridge

2 March 2009

As part of progress on the SH20 Manukau Harbour Crossing project, the NZ Transport Agency will be closing SH20 overnight on Sunday 8 March to lift the final beams into place on the new Hastie Avenue footbridge.
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Overnight motorway closure to complete work to new Hastie Avenue footbridge

24 February 2009

From 8pm on Sunday 8 March until 5am on Monday 9 March, the Southwestern Motorway (SH20) will close.
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Rapid progress on Manukau Harbour Crossing

19 February 2009

The Manukau Harbour Crossing Project to double traffic capacity on State Highway 20 between Onehunga and Mangere is celebrating a year of rapid progress.
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SH20 closures at Neilson Street

5 January 2009

The NZ Transport Agency advises of the following closures on the Southwestern Motorway (SH20) to improve the drainage and stormwater facilities around Mangere Bridge Village.
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Stormwater work starts on SH20

22 December 2008

As part of the SH20 Maunkau Harbour Crossing project, the NZ Transport Agency will improve the drainage and stormwater quality around Mangere Bridge.
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Extended closure to SH20 at Rimu Road

10 December 2008

Work is progressing well on the demolition of the old Rimu Road bridge over the Southwestern Motorway (SH20) as part of the Manukau Harbour Crossing project.
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SH20 full motorway closure

10 December 2008

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

17 November 2008

The first section of the new Rimu Road bridge over SH20 will open to motorists this week. The NZ Transport Agency will switch traffic from the old Rimu Road overbridge to the new bridge overnight on Wednesday 19 November.
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SH20 northbound to close overnight 19 October

16 October 2008

The NZ Transport Agency advises that the Southwestern Motorway (SH20) heading towards Auckland City will be closed overnight on Sunday 19 October between Neilson Street off-ramp and Queenstown Road for lane marking.
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SH20 motorway work to start on northern side of Mangere Bridge

29 September 2008

The NZ Transport Agency will begin preparatory work on the northern (Onehunga) side of SH20 Mangere Bridge from Wednesday 1 October.
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SH20 Manukau Harbour Crossing traffic bulletin

26 September 2008

SH20 Manukau Harbour Crossing traffic bulletin.
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SH20 Manukau Harbour Crossing traffic bulletin

19 September 2008

SH20 Manukau Harbour Crossing traffic bulletin.
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SH20 Manukau Harbour Crossing full motorway closure

17 September 2008

SH20 Manukau Harbour Crossing full motorway closure.
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Overnight closure on SH20 to install beams at Rimu Road

10 September 2008

As part of progress on the SH20 Manukau Harbour Crossing project.
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SH20 Manukau Harbour Crossing traffic bulletin

Wednesday 17 September - Thursday 18 September 2008

Transit advises motorists of the following upcoming closures for work on the Southwestern Motorway (SH20).
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Work starts on Rimu Road overbridge

1 September 2008

The NZ Transport Agency will be making changes to the Rimu Road overbridge and on-ramp from today (Monday 1 September).
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SH20 Manukau Harbour Crossing traffic bulletin

Monday 1 September 2008

Transit advises motorists of the following upcoming closures for work on the Southwestern Motorway (SH20).
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SH20 Manukau Harbour Crossing traffic bulletin

Saturday 30 August 2008

Transit advises motorists of the following upcoming closures for work on the Southwestern Motorway (SH20).
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SH20 Manukau Harbour Crossing traffic bulletin

Saturday 22 August 2008

Transit advises motorists of the following upcoming closures for work on the Southwestern Motorway (SH20).
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SH20 Manukau Harbour Crossing traffic bulletin

Saturday 16 August 2008

Transit advises motorists of the following upcoming closures for work on the Southwestern Motorway (SH20).
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