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Old June 14th, 2010, 01:39 PM   #821
Coccodrillo
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It would never be finished on time considering the endless discussions about utility and financing before any construction project here. I'm still waiting 4 km of a two-lane road in nearly flat terrain near my city.

=======================================

The TBM started boring the second of four tunnels of the Biel eastern bypass (red part): http://www.a5-biel-bienne.ch/fr/accueil/
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Old June 16th, 2010, 11:28 AM   #822
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Construction of the A9 motorway is underway. Here some infos in German about the Visp bypass and its underground junction: http://www.a9-vs.ch/fr/neua9infonr.10.php
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Old June 16th, 2010, 03:17 PM   #823
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Quote:
Originally Posted by Coccodrillo View Post
The Gotthard tunnel will be closed for three years, or for shorter periods of about 6 months for six years. The news has been reported by local newspapers today.
Why so long? Will they at least wait for finishing railway base tunnel?
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Old June 16th, 2010, 05:28 PM   #824
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They will replace internal lining and raise the ceiling. They will wait the new rail tunnel so as to provide shuttle trains both on the new and old rail tunnels.
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Old June 16th, 2010, 05:43 PM   #825
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Do they intend to keep the mountain pass open during winter if the tunnel is gonna be closed continuously?
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Old June 16th, 2010, 05:48 PM   #826
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It isn't known yet, more details will be revealed this autumn. I think it will be kept opened as much as possible, but not during dangerous days (bad weather, avalanche risk). When the tunnel was closed between mid-2001 and December of that year the pass remained opened until December.
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Old June 16th, 2010, 11:51 PM   #827
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Lötschberg Shuttle: http://www.youtube.com/watch?v=Pk_VkDuem0c

Leopard tanks in the tunnel: http://www.youtube.com/watch?v=dKD0KpxJ71k

Again the pass (may 2009?): http://www.youtube.com/watch?v=hVyi7Qz0ECw

By bicycle trought the San Bernardino rescue tunnel, located under the road. This had been possible once, afer the end of works: http://www.youtube.com/watch?v=3ikHh_SxP0g
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Last edited by Coccodrillo; June 17th, 2010 at 09:32 AM.
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Old June 27th, 2010, 10:03 PM   #828
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Quote:
Originally Posted by Coccodrillo View Post
I have found for 2 euros a book about the construction of the Gotthard motorway.
It has been published even before the beginning of the construction of the summit tunnel.

Here I found a map of the motorways planend in these years. The A16 wasn't planned,
instead the A6 was projected from Bern to Sion, I don't know if as full motorways like the A2
or as a fast road like the A13. It would have been a 10 km tunnel under the Rawil pass.
A 3 km exploratory tunnel has been excavated to gain information about the geology.
Of this project only the Bern-Thun and the Wimmis spur have been built.
Search "Rawil Tunnel" with Google.

More informations about this project in the next post...
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Old June 27th, 2010, 10:05 PM   #829
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The original plan approved on 21 June 1960 (and still not completed 50 year and one week later) included the A6 motorway, then called N6.

It was planned to run via Gwatt (near Thun), Zweisimmen, the Rawyl tunnel and Sion or Sierre.

On 2 September 1966 the A6 project was approved, and as studies progressed it was decided to lower the altitude of the summit tunnel, reaching a length of 9.800 m and an altitude of 1.200 m.

In 1973 it was decided to built an exploratory tunnel, works started in 1976 on the southern side. After the discovery of damages to a nearby dam, boring stopped in 1979 after 3236 m of tunnels, about 1,5 km from the dam.

In 1986 the southern part of the A6, planned to be more similar to the A13 than to the A2, was officially cancelled from the plan.

Of the whole southern A6, only the Wimmis branch and the exploratory tunnel have been built. The project was abandoned also because Bern-Sion would have not been much faster than via the A12 and A9 (today 157 km in 1h35).

Map: http://img244.imageshack.us/f/a6swcy3.gif/

Wimmis branch: http://maps.google.ch/maps?f=q&sourc...,0.144882&z=13
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Old June 28th, 2010, 01:27 PM   #830
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Strange spriral and bends on the A8: http://maps.google.ch/?ie=UTF8&ll=46...8,0.01811&z=16
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Old June 28th, 2010, 03:16 PM   #831
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Quote:
Originally Posted by Coccodrillo View Post
The original plan approved on 21 June 1960 (and still not completed 50 year and one week later) included the A6 motorway, then called N6.

It was planned to run via Gwatt (near Thun), Zweisimmen, the Rawyl tunnel and Sion or Sierre.

On 2 September 1966 the A6 project was approved, and as studies progressed it was decided to lower the altitude of the summit tunnel, reaching a length of 9.800 m and an altitude of 1.200 m.

In 1973 it was decided to built an exploratory tunnel, works started in 1976 on the southern side. After the discovery of damages to a nearby dam, boring stopped in 1979 after 3236 m of tunnels, about 1,5 km from the dam.

In 1986 the southern part of the A6, planned to be more similar to the A13 than to the A2, was officially cancelled from the plan.

Of the whole southern A6, only the Wimmis branch and the exploratory tunnel have been built. The project was abandoned also because Bern-Sion would have not been much faster than via the A12 and A9 (today 157 km in 1h35).

Map: http://img244.imageshack.us/f/a6swcy3.gif/

Wimmis branch: http://maps.google.ch/maps?f=q&sourc...,0.144882&z=13
... With that Rawil tunnel, the Simplon tunnel I proposed in the Italian thread would made sense...
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Last edited by CNGL; July 5th, 2010 at 10:09 PM.
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Old June 28th, 2010, 04:58 PM   #832
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I don't think so, a route throught the Rawil would be shorter than A12-A9, but not as much as via the Lötschberg. So luckily it has not been built.

Bern-Brig via the Lötschberg: 110 km (in 2 hours via the shuttle and half distance not on motorways)

Bern-Brig via A12 and A9: 210 km in 2h30

Bern-Brig via the Rawil (kilometres are approximated):
Bern-Lenk 85 km
Rawil tunnel 10 km
Tunnel-Brig 70 km
Total 165 km
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Old June 28th, 2010, 11:14 PM   #833
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Quote:
Originally Posted by Coccodrillo View Post
Strange spriral and bends on the A8: http://maps.google.ch/?ie=UTF8&ll=46...8,0.01811&z=16
Been there Brünig Pass.

With the famous hanging rock.
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Old June 29th, 2010, 12:02 AM   #834
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A8 projects: http://www.autobahnen.ch/forum/viewtopic.php?p=715
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Old June 29th, 2010, 01:11 PM   #835
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A new tunnel, 900 metres long, is under construction under Buchrain to link more directly the A14 (the shortest motorway in Switzerland) and the N4: http://www.a14-buchrain-rontal.lu.ch/
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Old June 29th, 2010, 06:07 PM   #836
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A new bypass costing 380 millions CHF (270 millions EUR) will replace the existing carriageway of the A13 that cuts in two parts the village of Rovereto (GR). The bypass wil be on the southern side of the village and will open in 2016.

The pilot tunnel of the new 2,4 km San Fedele tunnel has been completed. The TBM will be trasported back to the southern portal where it will be used to bore the service and rescue tunnel from this autumn. At the same time the pilot bore willbe enlarged by drill&blast, the main tunnel will then have one lane per direction. Construction of section in the open air, bridges and one interchange is underway.

The motorway will apparently be converted to a local road or sued to divert the N13.

More info:

http://www.toscano.ch/Portals/0/docs...g_Roveredo.pdf

http://www.toscano.ch/Referenzen/Tun...T/Default.aspx
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Old June 29th, 2010, 09:47 PM   #837
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Construction of the Silvaplana bypass started. This includes a tunnel only 750 m long, but with a gradient of 8,5%. The old road throught the village will be closed and used only in emergency and for local traffic. The tunnel will open in 2016.

http://www.gr.ch/DE/institutionen/ve...patenstich.pdf
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Old June 29th, 2010, 10:13 PM   #838
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Is that for traffic to and from the Julierpass? I remember driving up the Julier from Tiefencastel, we had a big-ass caravan behind our rather small Peugeot 406 1.8 petrol car. The Julier is not extremely steep, but it is very long from Tiefencastel, with continuous grades of 5 - 10%. At the top, the engine temperature was at 110 degrees, and we had to let it cool for a while. It didn't boil though, although it was close. Then there was a relatively short downgrade, but one has to keep in mind the valley around Silvaplana is still at 1.800 meters altitude. Then we descended down the Malojapass, and stayed at a campsite in Vicosoprano. Lovely area, not as touristic as St. Moritz.
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Old June 29th, 2010, 10:45 PM   #839
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Yes, it is the N3 road coming from the Jiulierpass, the only access of the Engadine from the north until the opening of the Vereina tunnel.

http://maps.google.ch/maps?f=q&sourc...,0.036221&z=15
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Old June 30th, 2010, 02:54 AM   #840
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A note about the two tunnels between Brunnen and Flüelen:

http://www.ur.ch/dateimanager/axen_m...nz20070820.pdf

Looking at the picture on page 16, the southern portal of the Sisikoner tunnel should be there, above the railway bridge:

http://maps.google.ch/maps?f=d&sourc...09055&t=h&z=17

I hope it will be designed to allow for another tunnel between this point and the Flüeler tunnel.
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