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

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

#736 Post by Listy » Wed Jan 30, 2019 1:55 pm

SBD wrote:
Tue Jan 29, 2019 6:23 pm
rev wrote:
Tue Jan 29, 2019 3:55 pm
rhino wrote:
Tue Jan 29, 2019 10:32 am


And before that, when I was a kid, it ended at a stop sign at Regency Road. The post for the stop sign was mounted in a 44-gallon drum of dirt, or maybe concrete, and Regency Road had no kerb along the northern side. You had to use Days Road to get to Grand Junction Road.
Christ, what century was that in?
The 20th century. Have a look at the 1940 street directory online at https://mapshop.net.au/fullers/full1940.htm - particularly maps 7 and 13. By then, it looks like South Road's current alignment had been widened up to Torrens Road (except for Taylor's Bridge), but not yet given a single name north of what is now Sir Donald Bradman Drive. It hadn't been built past Torrens Road by then.
I reckon that street directory was published either late or post war. I couldn't find a publication date but I was looking at the Henley Beach map & noticed Coral Sea Road was there. There are several other streets listed referring to WW2 battles too (Tobruk, Kokoda, Lexington etc). (Plus, it's also possible there was a ban on the production & sale of maps during the war, but I'm not certain of that).

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

#737 Post by rhino » Wed Jan 30, 2019 2:17 pm

I would say it is a post war directory, because the land for Adelaide Airport is depicted, along with West Beach Road and Morphett Road shown as closed roads. The site for Adelaide Airport was selected in 1946 (but the airport was not built until 1955, and opened in 1956), so I would say the directory is from the late 1940s.

It's interesting that Burbridge Road is not depicted at all, west of May Tce, but Airport Road exists, even though it was not on the standard grid survey of the Adelaide Plains.
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[U/C] Re: Northern Connector | 14km | $1b

#738 Post by rev » Wed Jan 30, 2019 4:41 pm

rhino wrote:
Wed Jan 30, 2019 2:17 pm
I would say it is a post war directory, because the land for Adelaide Airport is depicted, along with West Beach Road and Morphett Road shown as closed roads. The site for Adelaide Airport was selected in 1946 (but the airport was not built until 1955, and opened in 1956), so I would say the directory is from the late 1940s.

It's interesting that Burbridge Road is not depicted at all, west of May Tce, but Airport Road exists, even though it was not on the standard grid survey of the Adelaide Plains.
Would you guys be able to scan some of these maps and post them? Would be interesting to see and compare to a current map.

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

#739 Post by mawsonguy » Wed Jan 30, 2019 6:33 pm

I came accross the following post on reddit.com (https://www.reddit.com/r/australia/comm ... xplain_to/) that is an interesting explanation of the use of concrete versus asphalt on the Northern Connector.
I'm currently working on Adelaide's Northern Connector Project, a 15km long stretch of concrete road joining the South Road Superway to the Northern Expressway. Some notes from the project.
  • The main alignment is being done in concrete. It's two layers, one of 5Mpa concrete as a base layer and one 40Mpa as a wearing surface. Total depth is 450-500mm.
  • Everything that's not the main alignment is asphalt. Varies from four layers (~200mm) to seven layers (~400mm) depending on what traffic the section is going to get.
Now as for the whys.
  • It's much quicker to lay the concrete then it is the asphalt. They've got a continuous laying machine that builds the whole road width at once that they just dump concrete in front of. The project has it's own concrete batch plant to provide that. To build the same toughness of road out of asphalt would take eight or nine layers, three runs with the paver to fill in the whole width.
  • The concrete is only easy for big long straight sections. Anything with lane merges, corners or roundabouts has to be asphalt because that can be varied as it is laid.
  • The concrete cannot be repaired short of being torn up and redone. We've had to pull out a 200m section already because it cracked wrong as it set. Asphalt is much more forgiving, because we can patch sections or occasionally just cover them over with the next layer.
  • Asphalt starts as a really smooth surface from the laying and rolling process, and wears to a rough surface because it's a mix of different types of material. Concrete starts rough because of the finishing technique, but with use the surface wears smooth.
  • Concrete is noisier. It's a much smoother surface which means the sound reflects better.
  • Asphalt (particularly under Australian conditions) will heal slightly. Hot days plus traffic will roll the surface again, closing up small cracks before they grow into big cracks. Concrete won't close, and cracks will just grow over the lifetime. Particularly because they can't lay reinforcing in the concrete for a road like they would in a building.

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

#740 Post by ChillyPhilly » Wed Jan 30, 2019 6:39 pm

rev wrote:
rhino wrote:
Wed Jan 30, 2019 2:17 pm
I would say it is a post war directory, because the land for Adelaide Airport is depicted, along with West Beach Road and Morphett Road shown as closed roads. The site for Adelaide Airport was selected in 1946 (but the airport was not built until 1955, and opened in 1956), so I would say the directory is from the late 1940s.

It's interesting that Burbridge Road is not depicted at all, west of May Tce, but Airport Road exists, even though it was not on the standard grid survey of the Adelaide Plains.
Would you guys be able to scan some of these maps and post them? Would be interesting to see and compare to a current map.
I'll PM some to you unless there's a thread with these photos or scans?
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[U/C] Re: [U/C] Re: Northern Connector | 14km | $1b

#741 Post by PD2/20 » Wed Jan 30, 2019 8:19 pm

ChillyPhilly wrote:
Wed Jan 30, 2019 6:39 pm
rev wrote:
Would you guys be able to scan some of these maps and post them? Would be interesting to see and compare to a current map.
I'll PM some to you unless there's a thread with these photos or scans?
SBD's post yesterday http://www.sensational-adelaide.com/for ... 01#p176901 in this thread has the link to the complete scanned directory.

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

#742 Post by Eurostar » Tue Feb 05, 2019 6:32 pm

The Port Wakefield Road/Waterloo Corner Road intersection is being altered as we speak with new traffic light poles on the western side

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

#743 Post by mawsonguy » Wed Feb 06, 2019 10:54 pm

Latest video of the Southern Interchange ...

https://www.youtube.com/watch?v=NPwmipgbQYE

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

#744 Post by Brucetiki » Thu Feb 07, 2019 3:51 pm

mawsonguy wrote:
Wed Feb 06, 2019 10:54 pm
Latest video of the Southern Interchange ...

https://www.youtube.com/watch?v=NPwmipgbQYE
You get a real glimpse of the magnitude of the interchange, and the direction the connector will go beyond the interchange, at the end of the video.

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

#745 Post by shiftaling » Thu Feb 14, 2019 4:56 pm

SBD wrote:
Tue Jan 29, 2019 6:23 pm
rev wrote:
Tue Jan 29, 2019 3:55 pm
rhino wrote:
Tue Jan 29, 2019 10:32 am


And before that, when I was a kid, it ended at a stop sign at Regency Road. The post for the stop sign was mounted in a 44-gallon drum of dirt, or maybe concrete, and Regency Road had no kerb along the northern side. You had to use Days Road to get to Grand Junction Road.
Christ, what century was that in?
The 20th century. Have a look at the 1940 street directory online at https://mapshop.net.au/fullers/full1940.htm - particularly maps 7 and 13. By then, it looks like South Road's current alignment had been widened up to Torrens Road (except for Taylor's Bridge), but not yet given a single name north of what is now Sir Donald Bradman Drive. It hadn't been built past Torrens Road by then.
Awesome link,thanks!

Interesting to think too, that if you had been thinking about it then you wouldn't have predicted that the little streets that eventually converted into what we know as South Road would one day end up to be the main road for the entire city (or at least a contender for the status). Makes you wonder what future changes are simply not imaginable to us today.

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

#746 Post by aaronjameslange » Wed Mar 06, 2019 11:07 am

Eurostar wrote:
Tue Feb 05, 2019 6:32 pm
The Port Wakefield Road/Waterloo Corner Road intersection is being altered as we speak with new traffic light poles on the western side
Temporary traffic lights have been removed and now using new permanant lights with some aspects covered over until full intersection opens "early 2019" cant be long now

Also noticed concrete carriageway laid over summer road area

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

#747 Post by ChillyPhilly » Thu Mar 07, 2019 10:04 pm

The latest snaps from Google Maps* (hey, that rhymes!):

Southern Interchange, progressing very quickly the past couple of months.

Image

Kings Road + Port Wakefield Road interchange.

Image

Waterloo Corner Road interchange.

Image

Northern Interchange, where the Northern Connector joins NExy.

Image


* Actually, these were taken from Google Earth. Sorry.
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[U/C] Re: Northern Connector | 14km | $1b

#748 Post by mawsonguy » Fri Mar 08, 2019 5:03 pm

ChillyPhilly wrote:
Thu Mar 07, 2019 10:04 pm
The latest snaps from Google Maps* (hey, that rhymes!):
The photography for the Bolivar, Waterloo Corner and Northern interchanges dates to 9 August 2018 and has been up on Google Earth for a while. The updates (as at 3 January 2019) only cover the area south of Dry Creek all the way to Darlington.

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

#749 Post by ChillyPhilly » Sat Mar 09, 2019 10:21 am

mawsonguy wrote:
Fri Mar 08, 2019 5:03 pm
ChillyPhilly wrote:
Thu Mar 07, 2019 10:04 pm
The latest snaps from Google Maps* (hey, that rhymes!):
The photography for the Bolivar, Waterloo Corner and Northern interchanges dates to 9 August 2018 and has been up on Google Earth for a while. The updates (as at 3 January 2019) only cover the area south of Dry Creek all the way to Darlington.
Damn - you're right. At least there's an updated shot of the Southern Interchange.
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[U/C] Re: Northern Connector | 14km | $1b

#750 Post by mawsonguy » Tue Mar 12, 2019 10:09 pm

Interesting video showing the steel fixing on the Southern Interchange bridges: https://www.youtube.com/watch?v=Jy4AFG9FVws (starting at 1:43)

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