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Old August 18th, 2008, 12:30 PM   #41
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Distance?
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Old August 18th, 2008, 12:31 PM   #42
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Like 8km underground of 6 lane freeways, and several underground interchanges and exits. Quite a fair price if you see what they managed to do with the M-30.
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Old August 18th, 2008, 03:20 PM   #43
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This map is old. All the projects are finished

And a resume in Spanish http://www.munimadrid.es/portal/site...00d90ca8c0RCRD
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Old August 18th, 2008, 03:53 PM   #44
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Quote:
Originally Posted by jarbury View Post
The proposed Waterview Connection in Auckland, New Zealand is pretty damned expensive. Close to $NZ1.9 billion (around 1 billion euros) for 5km of motorway (mostly all in tunnels).

Here's the wikipedia page: http://en.wikipedia.org/wiki/Waterview_Connection
Newspaper article: http://www.nzherald.co.nz/section/1/...ectid=10491037

A few maps & images:








Not sure if this will ever get built though....
Only two lanes each way for something so expensive and 'important'?

Do they only need two lanes? Or is this just a bad artist's impression? Or bad foresight perhaps?
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Old August 18th, 2008, 04:28 PM   #45
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For some reason they don't want to justify three lanes each way. Seems rather pointless to me to do a half-hearted job, but then that's Auckland all over.
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Old August 19th, 2008, 06:42 PM   #46
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Singapore is the upcoming Marina Coastal Expressway. It cost around S$2.5 billion (about €1.2 billion) and it is only 5 km long. Which means it is around €0.24 billion per km. The reason for the high construction cost is that the expressway is underground with both sides built on new reclaimed land on the current reclaimed land together with a new barrage that is only 150m away that will let out large amount of water straight from the sea into the river from time to time. Also dredging (taking some amount of water from a water source) is involved to built the expressway.
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Old August 19th, 2008, 08:44 PM   #47
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An example of a "long" road is the A16 motorroad in Switzerland: http://www.a16.ch/

6.2 billions CHF/3.9 billions of EUR, or 73 CHF millions/km or 46 EUR millions/km, because it has about 40 km of tunnels out of 85 km. Most of tunnels are 1x2 lanes.

The terrain is quite rough: http://maps.google.com/maps?f=q&hl=i...76904&t=p&z=14
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Old August 19th, 2008, 09:00 PM   #48
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I think it's indeed better to compare long sections. Bridges and relatively short tunnels are always very expensive.
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Old August 19th, 2008, 09:06 PM   #49
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Norway: 4.6 billion NOK (about 500 million euros) for 1 km of immersed tunnel under Bjřrvika plus access roads...
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Old August 20th, 2008, 10:56 AM   #50
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Australia: Cross City Tunnel, Sydney, $700 million for 2.1km long 2+2 lane tunnel

and $1.1 billion for a 3.6km long 2+2 lane tunnel
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Old August 20th, 2008, 01:59 PM   #51
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Isn't that tunnel an economic disaster? I heard that wayyyyy fewer cars than predicted are actually using it.
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Old August 20th, 2008, 02:27 PM   #52
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Because of the excessively high tolls.
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Old August 20th, 2008, 04:12 PM   #53
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Quote:
Originally Posted by ChrisZwolle View Post
I think it's indeed better to compare long sections. Bridges and relatively short tunnels are always very expensive.
I think the Dutch A4 still wins since it's not even build yet
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Old August 24th, 2008, 01:08 PM   #54
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Sweden

Sweden:
Södra länken, motorway in sourthern part of Stockholm. About 6 km , of it 4,5 km i tunnel, 3 underground motorway junctions. Price 8 bn SEK, 850 M€, 140 M€/km. It was opened for traffic in 2004.

Partihallsförbindelsen, a 600 m motorway, between the E45 and E20 in Göteborg. It is under construction and will cost 1.1 billion SEK, 120 M€, 200 M€/km including two motorway junctions, almost all on bridge.

Förbifart Stockholm, a 25 km bypass through western Stockholm. Price about 25 bn kr, 2600 M€, 110 M€ per km. Most of it will be in tunnel. It is planned but there are doubts becasue of the high price. However lots of important and powerful Stockholm people are stuck in the daily E4 traffic jams.
Road fee has been intrduced in the inner city at rush hours (congestion charge), that will contribute to the funding.
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Old August 25th, 2008, 06:28 AM   #55
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Quote:
Originally Posted by ChrisZwolle View Post
Bridges and relatively short tunnels are always very expensive.

And why is that?
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Old August 25th, 2008, 07:14 AM   #56
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Because there's obviously so much more work involved in building a bridge or digging a tunnel than there is in paving across flat land. That should be so extremely utterly obvious.
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Old September 12th, 2008, 10:54 PM   #57
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According to a press release from the Spanish Ministry of Transports, a strech of 5.5 km of the new ringroad of Seville (SE-40) will cost almost 590 M€! That's 107 M€ per km! OK, it's not the most expensive looking at the ones posted previously in this thread, but still it's a lot of money

Here it is: http://www.fomento.es/NR/rdonlyres/5...2/08080101.pdf



And this is the aerial view:

(That yellow line is 11.5 km long)

This stretch will be supposed to have four parallel tunnels 2+2+2+2 (all of them upgradeable to 3 lanes) more than 2 km long below the Guadalquivir river, deeply enough to allow the ships to reach the port of Seville. Source (in Spanish): http://lasemana.eu/content/view/11145/26/
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Old September 12th, 2008, 11:04 PM   #58
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€ 590 million is still a fair price I think for such wide and long tunnels underneath a river.
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Old September 12th, 2008, 11:11 PM   #59
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Agree,it's very cheap for it's size

Quote:
Originally Posted by jarbury View Post
Because there's obviously so much more work involved in building a bridge or digging a tunnel than there is in paving across flat land. That should be so extremely utterly obvious.
You didn't get it..he said relatively sort tunnels,as if the shorter the tunnel is,the most expnsive it is by kilometer...
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Old September 12th, 2008, 11:37 PM   #60
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The most expensive ever in U.S, probably "THE WORLD"

Here it is,

The biggest, the most expesnive of them all!!!

BOSTON'S BIG DIG!
http://en.wikipedia.org/wiki/Big_Dig..._Massachusetts)

Worth $US 14.6 Billion Dollars and nobody knows where the rest of the money went. Well, I guess "magic" really exist in Massachusetts. The first ever project ever made under the city and now, everyone follows. It is now one of the best thing that happened in Boston besides Football and Baseball and Basketball. GO RED SOX! GO PATRIOTS! GO CELTICS! AND GO "bruins"?

P.S. It's Friday and I can't help myself!
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