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Old October 14th, 2009, 11:09 PM   #741
Verso
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We've already talked about this split-up. I drove there many times, but never noticed it. Or I just noticed sth was weird there.
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Old October 15th, 2009, 12:02 AM   #742
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Well in that splittet area there are some Highway entrances. And also some bridge pylons. Sorry for my bad english.
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Old October 15th, 2009, 08:22 PM   #743
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Quote:
Originally Posted by ChrisZwolle View Post
The flyovers in the beginning near the Glattzentrum are quite interesting, they seem to be a stub interchange for a motorway towards Zollikon.
Yes this is indeed a stub interchange. It was even upgraded in the last years. The lanes coming from Zürich (street not highway) don't cross the lanes from Dübendorf on the same level anymore.
[/quote]
It's also weird why the westbound lanes split up around that spot, and merge together again. At first I thought there were two "Zürich-City" interchanges after eachother.
[IMG]http://i38.************/11jrpev.jpg[/IMG][/QUOTE]
The reason is, they don't want to make people from Dübendorf have to switch over two lanes if they go into direction Zürich. So they put the entrance in the middle. You would have to cross two lanes on a very short distance otherwise. I remember that years ago the lane from Dübendorf continued while there was only one lane going around the entrance to the left.
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Old November 10th, 2009, 07:41 PM   #744
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Video of the new part of the A4 motorway between Zurich and Lucerne:
http://www.tagesanzeiger.ch/zuerich/...story/10572148
It will open this friday.

Expected traffic volumes:
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Old November 10th, 2009, 08:29 PM   #745
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Quite a lot of traffic foreseen for a new 2x2 motorway.
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Old November 12th, 2009, 07:24 PM   #746
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To build 2X2 is stupid! 3X3 would be much bether. And think what is in future! I know its a money problem. I`m lucky that the highway opens tomorrow which have planned about 1975!
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Old November 12th, 2009, 07:50 PM   #747
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I drove through the Uetlibergtunnel, there seems to be space for 3 lanes at least eastbound (to A3).
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Old November 12th, 2009, 08:00 PM   #748
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Just for the notice!

3*3 = 3 lanes (north) -3 lanes (???) - 3 lanes (south)
2*3 = 3 lanes (north) - 3 lanes (south)
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Old November 12th, 2009, 08:03 PM   #749
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No,

2x2 = 2 carriageways with 2 lanes each (minimum motorway design)
2x3 = 2 carriageways with 3 lanes each (typical on busier motorways)

There is no 3x3 usually. 3x3 means 3 carriage ways with 3 lanes each. This is very rare to unkown. I think it depends on what you think is regular to write. Some people think the "x" means median, so 3x3 is the same as the more usual 2x3 notation.
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Old November 12th, 2009, 09:04 PM   #750
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Quote:
Originally Posted by ChrisZwolle View Post
I drove through the Uetlibergtunnel, there seems to be space for 3 lanes at least eastbound (to A3).

In the Uetlibergtunnel you can drive on 2 Lanes. 1 lane is for "safety". Like car out of fuel, exploded tires. then they roll out on the safety lane.
Streetview: http://maps.google.ch/?ie=UTF8&hq=&h...,293.5,,0,1.26

The new Islisbergtunnel which tomorrow opens have only 2 lanes. Maybe in 10 years they have to build a 3th tube, which is very expensive. Why they did not build a wider tunnel like the Uetlibergtunnel.

Like the Gubristtunnel, and they will build a 3th Tube until 2017. They have the money.
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Old November 13th, 2009, 09:38 AM   #751
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THe safty lane in the Uetliberg tunnel is standard lane with so they can make a real lane out of it, if needed.
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Old November 14th, 2009, 05:33 PM   #752
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It would for sure have been more expensive to build the "Westumfahrung" 2x3 then 2x2, but it's even more expensive to upgrade it to 2x3 later if needed. As you can see on the Nordring which has been built about 30(?) years ago and now needs to be upgraded to 2x3 for over 900 Millions.

And everybody knows that the Zurich Area (and whole Switzerland) will continously grow in the next 25+ years and traffic will increase even more...
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Old November 14th, 2009, 05:37 PM   #753
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I also wonder what impact the completion of A4 south of Zürich would have on commuting patterns. I don't know about housing prices, but they may be cheaper south of Zürich (Cham region), and people may commute from there into Zürich. Similar patterns happen all over the world, people accept longer commuting distances if affordable housing becomes available/accessible.
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Old November 14th, 2009, 09:07 PM   #754
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A2 near Airolo

Last february we had al lot of snow!

image hosted on flickr
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Old November 15th, 2009, 10:06 PM   #755
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Quote:
Originally Posted by ChrisZwolle View Post
I also wonder what impact the completion of A4 south of Zürich would have on commuting patterns. I don't know about housing prices, but they may be cheaper south of Zürich (Cham region), and people may commute from there into Zürich. Similar patterns happen all over the world, people accept longer commuting distances if affordable housing becomes available/accessible.
Which is what they already do. It doesn't need roads to link these towns to Zürich city centre. There are already reliable transport links in place.
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Old November 16th, 2009, 05:13 PM   #756
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The first of the four tunnels (Büttenberg West) of the eastern Biel-Bienne bypass has been completed.

It will link the roundabout at the end of the A5 and A16 with the A6.

The western bypass from Brügmoos/Marais de Brügg to the N5 on the northern shore of the lake is still at the plainning stage.

http://www.a5-biel-bienne.ch/

http://maps.google.ch/maps?f=q&sourc...,0.153637&z=13

[IMG]http://i36.************/154ge21.jpg[/IMG]
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Last edited by Coccodrillo; November 16th, 2009 at 05:20 PM.
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Old November 16th, 2009, 05:56 PM   #757
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Quote:
Originally Posted by Coccodrillo View Post
It will link the roundabout at the end of the A5 and A16 with the A6.
It's now T6, isn't it? (Talstrasse (Valley Road))
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Old November 16th, 2009, 07:13 PM   #758
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I don't know. Recently some roads were handed to the central government, and some were planned to be renumebred with the A. I don't know if this was one of them. Anyway nearly nobody use road number in Switzerland (except for motorways).
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Old November 16th, 2009, 07:25 PM   #759
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Well, there aren't much numbered roads in Switzerland besides the motorways
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Old November 16th, 2009, 08:01 PM   #760
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Also main regional roads are numbered, but their number is not shown on road signs nor on maps, and is used only on technical documents. Only motorways and national roads have numbers on signs.
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Last edited by Coccodrillo; June 30th, 2010 at 01:28 AM. Reason: typing error
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