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Old November 4th, 2016, 03:31 AM   #21
sponge_bob
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Ireland is finally joining the 3 Level Stack party in 2017 when the M6/M17/M18 Stack opens in Rathmorrissy near Galway. Photo in the last 2 months.



From user M17 on Boards.ie

No more planned.
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Last edited by sponge_bob; November 4th, 2016 at 03:37 AM.
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Old November 4th, 2016, 06:29 AM   #22
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I don't know if this qualifies. The road is not clasified as motorway, but it has this sign:



It's Riksvei 706 in Trondheim, Norway


Image source: https://reinertsenas.wordpress.com/2...unnelen-apner/
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Old November 4th, 2016, 09:50 AM   #23
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The Trondheim example looks like a regular two-level roundabout. There is a three-level roundabout outside Oslo though (see OP).
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Old November 4th, 2016, 01:01 PM   #24
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Quote:
Originally Posted by Ryme Intrinseca View Post
3) Stackabouts are typically designed without signals (even if they are added later).
Perhaps in the UK. The Dutch example of the Rottepolderplein has had traffic lights since it opened in 1974. However the 3rd level was only added in 1981...
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Old November 4th, 2016, 01:12 PM   #25
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Quote:
Originally Posted by aswnl View Post
Perhaps in the UK. The Dutch example of the Rottepolderplein has had traffic lights since it opened in 1974. However the 3rd level was only added in 1981...
Hence 'typically' I wouldn't be surprised if one or two of the UK examples were signalized from the outset too. There's still something of a contrast with three-level diamonds, which are usually signalized from day 1.
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Old November 4th, 2016, 08:59 PM   #26
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Quote:
Originally Posted by Ryme Intrinseca View Post
The Trondheim example looks like a regular two-level roundabout. There is a three-level roundabout outside Oslo though (see OP).
Nah mate it's three levels. Look at the map.

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Old November 4th, 2016, 11:43 PM   #27
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It's two roundabouts one over another.
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Old November 5th, 2016, 12:53 PM   #28
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Quote:
Originally Posted by metasmurf View Post
Nah mate it's three levels. Look at the map.

I was looking at it as a two-level roundabout with another roundabout on top of it. It's certainly not a three-level roundabout though I suppose you could call it three-level roundabouts
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Old November 5th, 2016, 06:05 PM   #29
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USA I-395 and Seminary Rd (SR 420) in Northern Virginia
[38.829928, -77.113391]

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Old November 6th, 2016, 10:30 AM   #30
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Australia, Brisbane ''squareabout'

https://www.google.nl/maps/place/Bri...!4d153.0251235'

https://www.google.nl/maps/@-27.5033...7i13312!8i6656
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Old November 7th, 2016, 12:26 PM   #31
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Quote:
Originally Posted by metasmurf View Post
Nah mate it's three levels. Look at the map.
But its not a stackabout as there are not two unobstructed rights of way either under or over the roundabout.
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Old March 21st, 2017, 12:48 AM   #32
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Thanks to a tip from Chris Zwolle in another thread, we have:

24. Mexico

https://www.google.co.uk/maps/@19.07...98.2878185,16z
https://www.google.co.uk/maps/@19.05...98.2787706,16z
https://www.google.co.uk/maps/@19.01...98.2620089,16z
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Old March 21st, 2017, 02:11 AM   #33
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Quote:
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It's a very funny design, I don't think anyone outside of Norway would have considered it, but a proper stackabout it ain't---
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Old March 27th, 2017, 03:50 PM   #34
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Quote:
Originally Posted by ElviS77 View Post
It's a very funny design, I don't think anyone outside of Norway would have considered it, but a proper stackabout it ain't---
This does not qualify the criteria either, but there are some elements of stackabouts visible. It is the 6-way exit 43 on the 50/E18, Helsinki Ring 3. The E18 runs west-east (left-right) and the road 135 is the connection road to the Helsinki airport. One of biggest shopping centers in Finland lies just outside the image at the right-bottom corner.



It is kind of a "streched" stackabout where the roadabout part was pulled a few hundred meters to the north. There are some level crossings in place, but the traffic from and to the airport is free-flow.

At the south end, the road 135 is at the level 3 (while the E18 being level 1 and the flyovers level 2). But at the roundabout, the road is at the level 1 below the flyovers. What is interesting, the flyovers cross the road 135 twice: above it at the roundabout, and below it at the spaghetti.

https://www.google.fi/maps/@60.29758...9629158,15.69z
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Old May 9th, 2017, 06:04 AM   #35
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There are actually only 2 levels theres ... much of it is on the floor and there are 3 bridges over the main road. Nothing more.

Theres on in Lisbon (Portugal) but the bridges don't actually intersect each other since both form an Y

https://www.google.pl/maps/@38.76348.../data=!3m1!1e3

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Where do we draw the line between a signalized stackabout and a three level diamond? Numerous more world examples can be drawn if we do not exclude the latter.

Having a roundabound vs. not having a roundabound ???



Over here there are hundreds of highway crossings with roundabounts over/under them but they never choose to produce a perfect stackabout ... or they sump one of the highways onto the roundabound or they depart completelly and create a bucket of noodles full of overly complex interchanges like this; (don't bother counting how many complicated routes there are)

https://www.google.co.uk/maps/@41.55...4470457,13.29z
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Last edited by sotavento; May 9th, 2017 at 06:25 AM.
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Old May 9th, 2017, 06:18 AM   #36
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Quote:
Originally Posted by Exethalion View Post
Where do we draw the line between a signalized stackabout and a three level diamond? Numerous more world examples can be drawn if we do not exclude the latter.

Having a roundabound vs. not having a roundabound ???
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"O País perdeu a inteligência e a consciência moral. Ninguém se respeita nem crê na honestidade dos homens públicos. O povo está na miséria. Os serviços públicos vão abandonados. A mocidade arrasta-se das mesas das secretarias para as mesas dos cafés. A ruína económica cresce o comércio definha, a indústria enfraquece. O salário diminui. O Estado é considerado um ladrão e tratado como um inimigo.
Neste salve-se quem puder a burguesia proprietária de casas explora o aluguel. A agiotagem explora o juro…"”
— Eça

Last edited by sotavento; May 9th, 2017 at 06:25 AM. Reason: duplicated post
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Old July 11th, 2017, 02:28 PM   #37
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Hope this counts.
Kuala Lumpur, Malaysia.
https://goo.gl/maps/YtXUv3PrN3v
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Old July 13th, 2017, 01:09 AM   #38
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Portugal may enter on the list

https://www.google.co.uk/maps/@41.5527505,-8.4067924,270m/data=!3m1!1e3
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Old July 13th, 2017, 01:39 AM   #39
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Quote:
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Ireland is finally joining the 3 Level Stack party in 2017 when the M6/M17/M18 Stack opens in Rathmorrissy near Galway. Photo in the last 2 months.



From user M17 on Boards.ie
User M17 on http://boards.ie/ posted an updated photo of the Rathmorrissy stackabout east of Galway a fortnight back. In service by end October 2017 I reckon. The M6 motorway runs underneath and is in service since 2010.

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