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Old September 16th, 2009, 02:12 AM   #21
ed110220
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Johannesburg - De Villiers Graaff Motorway

The De Villiers Graaff Motorway (M1) has a short double decker section to save space where it cuts through the centre of Johannesburg. The southbound carriageway is elevated above the northbound one, which is itself above the city streets.

I believe this is the only true double deck freeway in South Africa (ie the same road having traffic travelling in different directions one above the other and excluding places where only local traffic goes underneath a freeway).

image hosted on flickr
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Old September 16th, 2009, 02:51 AM   #22
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There's a 4-lane double-decker bridge U/C in Ljubljana (Slovenia) over Ljubljanica river (cars up, pedestrians and cyclists down):

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Old September 16th, 2009, 03:03 AM   #23
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Gdański bridge in Warsaw is double decker - cars at the upper floor and trams, pedestrians and a bike path at the lower.



The most unusual thing: Area between the tram tracks has wooden pavement. I don't think that you can find something similar in Europe


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Old September 16th, 2009, 07:18 AM   #24
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some pretty cool ones:







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Old September 17th, 2009, 04:23 AM   #25
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I think none of these compare with japanese urban freeways. In urban areas, double decker highways are placed directly over existing avenues! Making it 3 levels.
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Old September 17th, 2009, 05:18 PM   #26
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I-84 and CT-8 in Waterbury, CT
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Old September 17th, 2009, 10:16 PM   #27
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Quote:
Originally Posted by ed110220 View Post
The De Villiers Graaff Motorway (M1) has a short double decker section to save space where it cuts through the centre of Johannesburg. The southbound carriageway is elevated above the northbound one, which is itself above the city streets.

I believe this is the only true double deck freeway in South Africa (ie the same road having traffic travelling in different directions one above the other and excluding places where only local traffic goes underneath a freeway).

image hosted on flickr
Another photo of the section of Johannesburg freeway mentioned above:
image hosted on flickr

ricoeurian

South bound M1 carriageway on the double decker freeway:
image hosted on flickr

Last edited by mikey67; September 17th, 2009 at 10:35 PM.
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Old September 17th, 2009, 10:22 PM   #28
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Cape Town, South Africa
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Old September 17th, 2009, 10:29 PM   #29
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That's an elevated freeway. Not exactly the same as a double-deck freeway imo.
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Old September 18th, 2009, 02:40 AM   #30
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Quote:
Originally Posted by ChrisZwolle View Post
That's an elevated freeway. Not exactly the same as a double-deck freeway imo.
I agree. To qualify as double deck I think that the one has to be directly above the other and that they have to be carriageways of the same route. By that criteria I think the De Villiers Graaff is the only one in SA.

Nice photo though and interesting because you can see the wide gap left between the two elevated carriageways that was left for the never-built elevated link to Western Boulevard.
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Old September 18th, 2009, 05:12 AM   #31
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Rio de Janeiro has some of these

Perimetral (Elevated)




image hosted on flickr


Paulo de Frontin (Elevated)


Linha Vermelha (Elevated and Double-Deck)




Joá (Double-Deck)




image hosted on flickr
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Old September 18th, 2009, 07:58 PM   #32
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Tokyo

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Old September 18th, 2009, 10:15 PM   #33
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Tokyo

image hosted on flickr


OMG Those take the cake!, the last one is unreal
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Old September 19th, 2009, 08:20 AM   #34
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I use that picture as the wallpaper on my computer
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Old August 19th, 2012, 03:11 AM   #35
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I have a model HO scale city that has a double decked ten lane wide highway going though it. The double deck highway is built where there is a 3 x 3 running over top of a 2 x 2 highway under it. It is also supported where the top deck and the bottom deck don't share the same supports so it's more stable than a double deck that would share the same supports. It also has a third deck which is a city street running underneath both decks on the bottom level.
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Old August 19th, 2012, 12:10 PM   #36
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Last two pictures from Rio

Prístavný most - Harbour Bridge in Bratislava, Slovakia



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Old August 19th, 2012, 12:15 PM   #37
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Lafranconi

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Old August 19th, 2012, 07:00 PM   #38
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UK...

The A167(M) in Newcastle is double deck...
and in Manchester the A57(M) is elevated with a road under it, if that counts as double deck
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Old August 22nd, 2012, 07:20 PM   #39
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Quote:
Originally Posted by Verso View Post
There's a 4-lane double-decker bridge U/C in Ljubljana (Slovenia) over Ljubljanica river (cars up, pedestrians and cyclists down):

Finally completed.


http://www.delo.si/novice/ljubljana/...eh-etazah.html
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Old August 22nd, 2012, 08:30 PM   #40
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I must agree with those who differentiate between an "elevated freeway" and "double decked freeway". I won't even comment on those who posted simple overpasses/underpasses. A double decked roadway is that which consists of one direction of the highway on one level and the other direction on the other level. In most cases, as is the case in high density centers, there may even be a "third" level which is the grade level street/ highway etc. which may run under it. Yes, to the sections of the BQE in NYC, WA99 Alaskan Way Viaduct in downtown Seattle, the long gone Embarcadero Fwy in SF and the like and No to the small sections of the 110/105 express/carpool/diamond lanes that are found in the sections of the interchanges leading to and from each interstate.

Last edited by niko.athens.greece; August 22nd, 2012 at 08:33 PM. Reason: not finished
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