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Old November 26th, 2008, 04:05 PM   #101
Messi
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Do you really think there is a house in the middle of a motorway? The construction of a motorway takes several years so there is always enough time to demolish buildings on and around the motorway. Beside this I can't imagine that they put only two signs in order to warn drivers.
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Old December 5th, 2008, 04:14 PM   #102
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Hello.

Can somebody tell me about the Project.
Bosporus Underwater-Motorway Tunnel?
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Old December 5th, 2008, 08:19 PM   #103
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Sounds nice
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Old December 5th, 2008, 09:16 PM   #104
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Quote:
Originally Posted by Nik the Greek View Post
Hello.

Can somebody tell me about the Project.
Bosporus Underwater-Motorway Tunnel?
does such a project really exists?i heard they are working at an underwater train tunnel under bosphor, not at a motorway one.
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Old December 5th, 2008, 09:20 PM   #105
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Yeah, I though it would be a subway or train tunnel, not a motorway one. They might need another connection though.
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Old December 7th, 2008, 01:37 AM   #106
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Quote:
Originally Posted by Kuvvaci View Post
Izmir-Istanbul (Gebze) highway
Do you mean Motorway (Otoyol) as this cite?
Quote:
Originally Posted by Onur View Post
Quote:
Originally Posted by System_Halted View Post
Onur your pics are not highway, they are some intercity, mountain or incity roads.
But they're also counted as Highway. Don't confuse them with Motorways(Otoyol)
Onur had told me System had banned Onur because System is scary about poor paved highways.

And also, System and Kuvvacı doesn't know highway terminology enough.
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Old December 7th, 2008, 09:28 AM   #107
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Quote:
Originally Posted by Nik the Greek View Post
Hello.

Can somebody tell me about the Project.
Bosporus Underwater-Motorway Tunnel?
The offers for this project was taken last summer (June 30th) and have been under evaluation until a couple days ago (December 3rd). The offer of the Turkish-Korean partnership-firm was accepted.
The 14.6km project comprises of:
- about 5.4km long European side road improvement, crossings, underpasses, tollgates & a tunnel operation center.
- a 3.3 km earthquake resistant double-deck (2 lanes each deck) shielded underwater bored tunnel
- and another ~6 km long Asian side road improvement and crossings.
The route follows the southern shores of Istanbul and will connect the 2x2x2 European side coastal road (Kennedy street) with the existing Asian side road network, that are all south of the current Marmaray project.

This investment is expected to cost around $1.5bn but it will not be financed by the government. On the other hand the contractor will run/maintain the tunnel for 30 years (will collect passing fees) before handing it back to the state. The 30 years time includes construction time so the faster it is completed the profitable it is for the firm.

Construction is expected to start in the first quarter of 2009 and continue for the next 4.5 years.
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Old December 7th, 2008, 09:33 AM   #108
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Quote:
Originally Posted by kingodisco View Post
Do you mean Motorway (Otoyol) as this cite?

Onur had told me System had banned Onur because System is scary about poor paved highways.

And also, System and Kuvvacı doesn't know highway terminology enough.
Onur, do you think toher people is stupid as Onur. I will report you to the admins for your fake name and you come here for provokation.
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Old December 7th, 2008, 01:22 PM   #109
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Quote:
Originally Posted by Nik the Greek View Post
Hello.

Can somebody tell me about the Project.
Bosporus Underwater-Motorway Tunnel?
I think you are talking about this new tunnel.The contract has been signed two days ago, the construction will begin in the coming months. It will be a tunnel of ca 15 km lenght which 3.3 km will be underwater of.



[IMG]http://i37.************/bh0t8m.jpg[/IMG]

It will be parallel to the highspeedrail-tunnel (red) but the new(yellow) one will be only for cars.
[IMG]http://i38.************/20s6po0.jpg[/IMG]
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Old December 7th, 2008, 01:27 PM   #110
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Only 4 lanes? Building an expensive tunnel for congestion seems like a mistake to me...
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Old December 7th, 2008, 01:38 PM   #111
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Some tunnels of Boston's Big Dig also only have 2 lanes each direction (Ted Williams tunnel)
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Old December 7th, 2008, 01:55 PM   #112
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I don't think you can compare the non-commuter I-90 part there to a Istanbul Bosporus connection.
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Old December 7th, 2008, 02:01 PM   #113
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That's right, but even though the TW tunnel only has two lanes, it caused less traffic jams on the normal route to Logan Airport. So same here, even though the tunnel has a low capacity, it might lower the traffic on the other Bosporus connections.
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Old December 7th, 2008, 02:04 PM   #114
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i've been to istanbul last year and wasn't impressed by its traffic.fuel is very expensive in turkey and many turks aren't using their cars anymore for commuting inside the city.and don't forget there are another 2 bridges between europe and asia in istanbul.so 2 lanes might be enough if there aren't traffic lights for few kilometres from the tunnel entrance.
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Old December 7th, 2008, 02:15 PM   #115
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A third bridge is also coming and the most important: about 150 km of subway including marmaray is u/c and is waiting to be opened between 2009 and 2011 so we'll see an unbeliveable change in Istanbul's traffic within some years
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Old December 7th, 2008, 02:16 PM   #116
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The Bosporus Bridge carries 180.000 vehicles on 2x3 lanes. That's extreme. Very few other motorways carry so much traffic on that amount of lanes. The Fatih Sultan Mehmet Bridge is somewhat less busy with 150.000 vehicles on 2x4 lanes.
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Old December 7th, 2008, 03:15 PM   #117
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Municipality's plan is to build a third bridge in the north of Istanbul which will be used by transit trucks and cars to Europe or European part of Turkey so that the existing bridges will get rid of trucks, buses and other transit passenger and additionaly a rail tunnel and another one for cars will be added. I think we'll see a hige change.

Last edited by Messi; December 7th, 2008 at 03:22 PM.
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Old December 8th, 2008, 01:29 PM   #118
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@mantar and Argentinian Messi
Thank you for this Information.
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Old December 16th, 2008, 04:57 PM   #119
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Can somebody post me a picture from Speed Limits in Turkey? Thanks
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Old February 12th, 2009, 08:55 PM   #120
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Hi! As I am planning to visit Istanbul next month, can you tell me how much does the toll cost from the Bulgaria border at Kapikule (near Edirne) to Istanbul? Is there a website of the national motorway agency (or the equivalent) where I can check toll prices of the entire motorway network ? Thank you very much !
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