[U/C] Northern Connector | 14km | $1b

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Goodsy
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[U/C] Re: Northern Connector | 14km | $1b

#766 Post by Goodsy » Sat Apr 06, 2019 11:58 am

SBD wrote:
Sat Apr 06, 2019 11:45 am
Goodsy wrote:
Sat Apr 06, 2019 11:32 am
SBD wrote:
Fri Apr 05, 2019 8:58 pm

Once the northern interchange is finished, what will be the way to get from Port Wakefield Road northbound onto the Northern Expressway? Is it going to require turning left at Waterloo Corner Road then onto the NC from there, or will there be a final onramp I have missed seeing?

Is there any benefit in doing that intermediate switch at the southern interchange, rather than finish the complete build of the new north->east ramp and switch to that? That bridge over the NC seems to be getting a fair push of effort too.
I dont think there is a northbound onramp to get from PWR to the NEXY. Most the current traffic that turns right from PWR to the NEXY would instead already have gotten onto the NC at Wingfield.
I was thinking of traffic originating around the Parafield Gardens, Paralowie, Burton area, and also coming from Cavan and Gepps Cross that would not have come through Wingfield, but would be on Port Wakefield Road not Main North Road.
There's probably not enough traffic to justify the cost of another bridge. A right turn from PWR to the NEXY would require a huge flyover.

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[U/C] Re: Northern Connector | 14km | $1b

#767 Post by aaronjameslange » Sat Apr 06, 2019 1:09 pm

SBD wrote:
Fri Apr 05, 2019 8:58 pm
aaronjameslange wrote:
Fri Apr 05, 2019 8:28 pm
Portable signage at northern interchange stating the NEXY onramp closed from 7pm-7am 10th-12th april IIRC
Probably switching to new temporary onramp before easter weekend

Also at southern interchange looks like they're gearing up to use the new PREXY Eastbound -Superway Southbound onramp as at temporary Superway- Salisbury Highway offramp
This would then allow northbound superway traffic to use the new PREXY bridge so that the old bridge and abutments can be removed to allow PREXY to be widened.
Once the northern interchange is finished, what will be the way to get from Port Wakefield Road northbound onto the Northern Expressway? Is it going to require turning left at Waterloo Corner Road then onto the NC from there, or will there be a final onramp I have missed seeing?

Is there any benefit in doing that intermediate switch at the southern interchange, rather than finish the complete build of the new north->east ramp and switch to that? That bridge over the NC seems to be getting a fair push of effort too.
AFAIK you are correct. No acces to NEXY from PWR northbound.
At the new waterloo corner interchange there are covered up signs saying 'to M2' directing people to use the waterloo corner overpass to access NEXY.
The opposite is also true. Southbound NEXY traffic will be able to exit to PWR at the northern interchange but NOT at the Waterloo corner road intersection.

I agree with you regarding the southern interchange, but the onramp is already bitumised and streetlights are being put up whereas the flyover offramp is still a way off.

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[U/C] Re: Northern Connector | 14km | $1b

#768 Post by Aidan » Sat Apr 06, 2019 3:36 pm

Goodsy wrote:There's probably not enough traffic to justify the cost of another bridge. A right turn from PWR to the NEXY would require a huge flyover.
Surely a loop (cloverleaf style) would be sufficient?

Any idea when this road will open?
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[U/C] Re: Northern Connector | 14km | $1b

#769 Post by Heardy_101 » Sat Apr 06, 2019 8:16 pm

I find that bizzare to be honest. Why not keep the current onramp from PWR to the NEXY? I thought that interchange was deliberately designed so that there was room for that current slip lane plus the Northern Connector.

I hope this doesn't become another "Trams Can't Turn Right" controversy
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[U/C] Re: Northern Connector | 14km | $1b

#770 Post by SBD » Sat Apr 06, 2019 8:38 pm

Heardy_101 wrote:
Sat Apr 06, 2019 8:16 pm
I find that bizzare to be honest. Why not keep the current onramp from PWR to the NEXY? I thought that interchange was deliberately designed so that there was room for that current slip lane plus the Northern Connector.

I hope this doesn't become another "Trams Can't Turn Right" controversy
The current on ramp crosses the future southbound northern connector at grade, so can’t stay as it is. Over the bridge then a loop would be simplest and easiest to retrofit if needed later. Taking the “temporary” on ramp under the southbound carriageway would be best design I think.

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[U/C] Re: Northern Connector | 14km | $1b

#771 Post by Goodsy » Sun Apr 07, 2019 10:45 am

It would have to be something like this

Image

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[U/C] Re: Northern Connector | 14km | $1b

#772 Post by SBD » Sun Apr 07, 2019 11:16 pm

Goodsy wrote:
Sun Apr 07, 2019 10:45 am
It would have to be something like this

Image
I was thinking of branching off of the northbound PWR and going under the "Northern Connector" label, swinging right as it passed under the southbound carriageway, then rising to join the right side of the northbound carriageway before it passes under the PWR bridge.

It's possible that would introduce too steep a gradient somewhere between an under and over. It might well turn out to be fine with entrances at Bolivar Road and Waterloo Corner Road that aren't far from PWR, and Heaslip Road is also an option.

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[U/C] Re: Northern Connector | 14km | $1b

#773 Post by aaronjameslange » Mon Apr 15, 2019 6:50 pm

New temporary on ramp at northern interchange in operation today. Vegetation already being removed from the PWR bridge embankment south of the bridge, where the new NC southbound onramp will go

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[U/C] Re: Northern Connector | 14km | $1b

#774 Post by ChillyPhilly » Tue Apr 30, 2019 11:26 am

The new Motorway to Salisbury Highway offramp is currently being bitumised.
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[U/C] Re: Northern Connector | 14km | $1b

#775 Post by Hooligan » Tue Apr 30, 2019 6:21 pm

ChillyPhilly wrote:
Tue Apr 30, 2019 11:26 am
The new Motorway to Salisbury Highway offramp is currently being bitumised.
I wonder when traffic will switch to the new off ramp so the old one can be demolished?

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[U/C] Re: Northern Connector | 14km | $1b

#776 Post by aaronjameslange » Tue Apr 30, 2019 10:00 pm

Hooligan wrote:
Tue Apr 30, 2019 6:21 pm
ChillyPhilly wrote:
Tue Apr 30, 2019 11:26 am
The new Motorway to Salisbury Highway offramp is currently being bitumised.
I wonder when traffic will switch to the new off ramp so the old one can be demolished?
Monday 5am

From the website
– temporary off-ramp closure and detour, and ramp change
As part of the Northern Connector Project, the South Road Superway off-ramp to Salisbury Highway will be closed for five nights (weather permitting) as follows:

Between 7pm and 5am each night between the evening of Monday 29 April and the morning of Friday 3 May
From 6pm Sunday 5 May to 5am Monday 6 May.
Access to the Salisbury Highway will be maintained via a detour to the Hanson Road interchange (refer to map here).

Following these works, from 5am Monday 6 May, the new temporary South Road Superway off-ramp to Salisbury Highway will be opened, maintaining access for northbound traffic travelling on the South Road Superway (refer to map here).

This temporary off-ramp is required to facilitate the construction staging of the Southern Interchange which, when complete, will provide access to the Northern Connector, Port River Expressway, South Road Superway and the Salisbury Highway.

Speed and lane restrictions will apply in the vicinity of the works, including the South Road Superway. Signage and traffic management will be in place to advise motorists of changed conditions. Please follow directional signage.

Thank you for your patience while these important works are undertaken.

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[U/C] Re: Northern Connector | 14km | $1b

#777 Post by Brucetiki » Wed May 01, 2019 1:20 pm

aaronjameslange wrote:
Tue Apr 30, 2019 10:00 pm
Hooligan wrote:
Tue Apr 30, 2019 6:21 pm
ChillyPhilly wrote:
Tue Apr 30, 2019 11:26 am
The new Motorway to Salisbury Highway offramp is currently being bitumised.
I wonder when traffic will switch to the new off ramp so the old one can be demolished?
Monday 5am

From the website
– temporary off-ramp closure and detour, and ramp change
As part of the Northern Connector Project, the South Road Superway off-ramp to Salisbury Highway will be closed for five nights (weather permitting) as follows:

Between 7pm and 5am each night between the evening of Monday 29 April and the morning of Friday 3 May
From 6pm Sunday 5 May to 5am Monday 6 May.
Access to the Salisbury Highway will be maintained via a detour to the Hanson Road interchange (refer to map here).

Following these works, from 5am Monday 6 May, the new temporary South Road Superway off-ramp to Salisbury Highway will be opened, maintaining access for northbound traffic travelling on the South Road Superway (refer to map here).

This temporary off-ramp is required to facilitate the construction staging of the Southern Interchange which, when complete, will provide access to the Northern Connector, Port River Expressway, South Road Superway and the Salisbury Highway.

Speed and lane restrictions will apply in the vicinity of the works, including the South Road Superway. Signage and traffic management will be in place to advise motorists of changed conditions. Please follow directional signage.

Thank you for your patience while these important works are undertaken.
I sorta gathered this week's works were for a switch to the temporary off ramp, but that didn't look like it'd be ready to go by Monday. Having said that, work on the temporary off ramp has moved along quite quickly.

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[U/C] Re: Northern Connector | 14km | $1b

#778 Post by ChillyPhilly » Wed May 01, 2019 2:49 pm

Image
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[U/C] Re: Northern Connector | 14km | $1b

#779 Post by mawsonguy » Sat May 11, 2019 9:10 pm

Nice photo from the DPTI website showing the Southern Interchange after the opening of the temporary northbound off ramp to Salisbury Highway.
Image

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[U/C] Re: Northern Connector | 14km | $1b

#780 Post by aaronjameslange » Thu May 16, 2019 1:49 pm

Hooligan wrote:
Tue Apr 30, 2019 6:21 pm
ChillyPhilly wrote:
Tue Apr 30, 2019 11:26 am
The new Motorway to Salisbury Highway offramp is currently being bitumised.
I wonder when traffic will switch to the new off ramp so the old one can be demolished?
Old bridge being demolished weekend of 24-27th may. Prexy closed in both directions

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