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Old May 23rd, 2006, 05:08 PM   #81
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The north part of the Peripherique, in Paris, is built over the ground (embankments or pillars)




A86 in St Denis/Drancy (near Paris):




A55 in Marseilles:




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Old May 23rd, 2006, 06:25 PM   #82
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Genova's viaducts are indeed impressive but combined with the typical Italian road sign chaos, it's so easy to get lost and so hard to get found again.

This is Vienna's A23, the horrifically crowded city motorway:







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Old May 24th, 2006, 02:39 PM   #83
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London has had the Holborn Viaduct since 1869 - far nicer to look at than any of the others in this thread...

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Old May 24th, 2006, 03:50 PM   #84
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more from Melbourne









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Old May 25th, 2006, 04:22 AM   #85
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More pics from San Francisco:

















After the earthquake:






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Old July 8th, 2006, 07:51 PM   #86
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Quote:
Originally Posted by GENIUS LOCI
In Milan there are few tunnels: they talked to build a "tunnel web", a ring tunnel around historical center of about 12 km and others, in project financing
I found a map of the future road tunnels web in the centre of Milan (thanks to Cooper)



Then some renders of Certosa-Garibaldi tunnel (the one in red in the map)

today


tomorrow




http://www.trasporti.regione.lombard...ani_tunnel.pdf
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Old July 9th, 2006, 01:34 AM   #87
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^Seem like a great project!
How would the tunnels be in terms of number of lanes and such? Are they motorway standart? From the picture I guess not.
Their job seems to be distributing the inner city trafic, and thats good too.
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Old July 12th, 2006, 04:48 PM   #88
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São Paulo:


Localização dos túneis e passagens subterrãneas de São Paulo


TÚNEIS DA CIDADE Túneis e Passagens Subterrâneas Localização Extensão Ano de Construção
1. Passagem Inferior Zerbini Av. Lineu de Paula Machado – Av. Waldemar 420 m 1993
2. Túnel Sebastião Camargo Av. Magnólia – Av. Pres. Juscelino Kubitscheck 1.170 m 1995
3. Túnel Jânio Quadros (Emurb) Av. Pres. Juscelino Kubitscheck 1.900 m 1994
4. Túnel Tribunal de Justiça (Emurb) Ibirapuera-Marginal Av. Pres. Juscelino Kubitscheck 824 m 1994
Túnel Tribunal de Justiça Marginal-Ibirapuera. Av. Pres. Juscelino Kubitscheck 730 m 1994
5. Túnel Ayrton Senna Centro-Bairro Av. 23 de Maio - Av. Antonio Joaquim de Moura Andrade 1.700 m 1995
Túnel Ayrton Senna Bairro-Centro Av. Antonio Joaquim de Moura Andrade – Av. Sena Madureira 1.950 m 1996
6. Passagem Subterrânea Sena Madureira (Emurb) Av. 23 de Maio – Av. Sena Madureira 205 m 1996
7. Passagem Subterrânea Tom Jobim Santana-Aeroporto Av. Prestes Maia 329 m 1995
Passagem Subterrânea Tom Jobim Aeroporto-Santana Av. Prestes Maia 329 m 1995
8. TúnelMaria Maluf Imigrantes-Anchieta Av. Pres. Tancredo Neves 1.020 m 1994
Túnel Maria Maluf Anchieta-Imigrantes Av. Pres. Tancredo Neves 1.020 m 1994
9. Túnel Mackenzie Estrada das Lágrimas 180 m 1996
10. Passagem Subterrânea Paulista–Dr. Arnaldo Av. Paulista – Av. Dr. Arnaldo 360 m 1973
11.Passagem Subterrânea Paulista-Rebouças Av. Paulista – Av. Rebouças 235 m 1973
12. Passagem Subterrânea Rebouças–Major Natanael Av. Rebouças – Dr. Arnaldo – Av. Major Natanael 884 m 1973
13. Ligação Leste–Oeste (passagem sob a Praça Roosevelt) Ligação Leste – Oeste 1.120 m 1971
14. Túnel São Gabriel Av. São Gabriel – Av. Santo Amaro 393 m 1969
15. Túnel Daher Cutait (9 de Julho) Centro-Bairro Av. 9 de Julho 1.045 m 1938
Túnel Daher Cutait Bairro-Centro Av. 9 de Julho 1.060 m 1938
16. Túnel Anhangabaú Santana/Aeroporto Av. Prestes Maia 582 m 1988
Túnel Anhangabaú Aeroporto/Santana Av. Prestes Maia 544 m 1990
17. Jornalista Fernando Vieira de Melo (Emurb) Centro-Bairro Av. Eusébio Matoso 580 m 2004
Jornalista Fernando Vieira de Melo Bairro-Centro Av. Eusébio Matoso 583 m 2004
18. Max Feffer (Emurb) Centro-Bairro Av. Cidade Jardim 756 m 2004
Max Feffer Bairro-Centro Av. Cidade Jardim 729 m 2004
19. Túnel Odon Pereira Centro-Bairro Av. José Pinheiro Borges 200 m 2006



São Paulo= 19722metters
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Old July 12th, 2006, 04:49 PM   #89
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São Paulo:


Localização dos túneis e passagens subterrãneas de São Paulo


TÚNEIS DA CIDADE Túneis e Passagens Subterrâneas Localização Extensão Ano de Construção
1. Passagem Inferior Zerbini Av. Lineu de Paula Machado – Av. Waldemar 420 m 1993
2. Túnel Sebastião Camargo Av. Magnólia – Av. Pres. Juscelino Kubitscheck 1.170 m 1995
3. Túnel Jânio Quadros (Emurb) Av. Pres. Juscelino Kubitscheck 1.900 m 1994
4. Túnel Tribunal de Justiça (Emurb) Ibirapuera-Marginal Av. Pres. Juscelino Kubitscheck 824 m 1994
Túnel Tribunal de Justiça Marginal-Ibirapuera. Av. Pres. Juscelino Kubitscheck 730 m 1994
5. Túnel Ayrton Senna Centro-Bairro Av. 23 de Maio - Av. Antonio Joaquim de Moura Andrade 1.700 m 1995
Túnel Ayrton Senna Bairro-Centro Av. Antonio Joaquim de Moura Andrade – Av. Sena Madureira 1.950 m 1996
6. Passagem Subterrânea Sena Madureira (Emurb) Av. 23 de Maio – Av. Sena Madureira 205 m 1996
7. Passagem Subterrânea Tom Jobim Santana-Aeroporto Av. Prestes Maia 329 m 1995
Passagem Subterrânea Tom Jobim Aeroporto-Santana Av. Prestes Maia 329 m 1995
8. TúnelMaria Maluf Imigrantes-Anchieta Av. Pres. Tancredo Neves 1.020 m 1994
Túnel Maria Maluf Anchieta-Imigrantes Av. Pres. Tancredo Neves 1.020 m 1994
9. Túnel Mackenzie Estrada das Lágrimas 180 m 1996
10. Passagem Subterrânea Paulista–Dr. Arnaldo Av. Paulista – Av. Dr. Arnaldo 360 m 1973
11.Passagem Subterrânea Paulista-Rebouças Av. Paulista – Av. Rebouças 235 m 1973
12. Passagem Subterrânea Rebouças–Major Natanael Av. Rebouças – Dr. Arnaldo – Av. Major Natanael 884 m 1973
13. Ligação Leste–Oeste (passagem sob a Praça Roosevelt) Ligação Leste – Oeste 1.120 m 1971
14. Túnel São Gabriel Av. São Gabriel – Av. Santo Amaro 393 m 1969
15. Túnel Daher Cutait (9 de Julho) Centro-Bairro Av. 9 de Julho 1.045 m 1938
Túnel Daher Cutait Bairro-Centro Av. 9 de Julho 1.060 m 1938
16. Túnel Anhangabaú Santana/Aeroporto Av. Prestes Maia 582 m 1988
Túnel Anhangabaú Aeroporto/Santana Av. Prestes Maia 544 m 1990
17. Jornalista Fernando Vieira de Melo (Emurb) Centro-Bairro Av. Eusébio Matoso 580 m 2004
Jornalista Fernando Vieira de Melo Bairro-Centro Av. Eusébio Matoso 583 m 2004
18. Max Feffer (Emurb) Centro-Bairro Av. Cidade Jardim 756 m 2004
Max Feffer Bairro-Centro Av. Cidade Jardim 729 m 2004
19. Túnel Odon Pereira Centro-Bairro Av. José Pinheiro Borges 200 m 2006


São Paulo= 19722metters


Source:
http://www2.prefeitura.sp.gov.br/sec...to/tuneis/0007
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Old July 14th, 2006, 10:34 AM   #90
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Some from Sydney:

Eastern distributor tunnel 1.7km long. The longest 'piggyback' (double decker) tunnel in the world, and also the widest road tunnel at time of construction. You can see by this crappy picture that the northbound traffic travels on the top deck while the southbound traffic travels on the bottom deck.


Cross City tunnel (just over 2 km)


the tunnel entrance on the left is cross city tunnel, on the right is Kings Cross tunnel.


Lane Cove tunnel (around 4km i think) is under construction and will open at the end of the year)
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Old July 14th, 2006, 11:12 AM   #91
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Quote:
Originally Posted by SydneyDude


Interesting these two entrances: it seems they run at different levels

Maybe are these two tunnels sections with the two different directions branches layin' one over the other?

Something like that...

[IMG]http://i2.************/1zxsig0.jpg[/IMG]
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Old July 14th, 2006, 12:45 PM   #92
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Quote:
Originally Posted by GENIUS LOCI
I found a map of the future road tunnels web in the centre of Milan (thanks to Cooper)



Then some renders of Certosa-Garibaldi tunnel (the one in red in the map)

today


tomorrow




http://www.trasporti.regione.lombard...ani_tunnel.pdf

Quando l´opere vanno a cominciare? Tu hai qualche informazione in su di questo?
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Old July 14th, 2006, 03:29 PM   #93
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Quote:
Originally Posted by DMA Brasil
Quando l´opere vanno a cominciare? Tu hai qualche informazione in su di questo?
Projects are already in a study phase...

Before they start I think at least a coupple of years or three, maybe even more
And once they'll begin... uff... I think the tunnel web will take a long long time to be finished (someone forecasts all the web will be finished in 2030!!!! )
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Old July 15th, 2006, 06:12 AM   #94
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Quote:
Originally Posted by GENIUS LOCI
Interesting these two entrances: it seems they run at different levels

Maybe are these two tunnels sections with the two different directions branches layin' one over the other?

Something like that...

[IMG]http://i2.************/1zxsig0.jpg[/IMG]
Yeah that's right, for those who don't understand, In the first picture, what the Eastern Distributor is, is one very wide and very tall tunnel with a roof/floor through the middle of it and thus the southbound traffic travels on the lower deck and the northbound traffic travels on the upper deck.

With the second pic, the tunnel on the left is the Cross City Tunnel and the tunnel on the right is the King's Cross Tunnel. You can see the difference here,
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Old July 15th, 2006, 09:16 AM   #95
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Quote:
Originally Posted by Toadman
Yeah that's right, for those who don't understand, In the first picture, what the Eastern Distributor is, is one very wide and very tall tunnel with a roof/floor through the middle of it and thus the southbound traffic travels on the lower deck and the northbound traffic travels on the upper deck.

With the second pic, the tunnel on the left is the Cross City Tunnel and the tunnel on the right is the King's Cross Tunnel. You can see the difference here,
Unfortunately, all our tunnels are pretty much 2 lanes each way.
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Old August 10th, 2006, 09:37 AM   #96
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MELBOURNE, Australia










Last edited by melbourne18; August 11th, 2006 at 09:23 AM.
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Old August 12th, 2006, 12:38 AM   #97
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Circonvalla Tirbutina Sopraelevata in Rome, Italy:





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Old August 22nd, 2006, 12:22 AM   #98
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Better Urban Expressway Layout?

Which layout for urban expressways do you think is better? The wheel and spoke layout, which has one or more circles going around the town and being cut by linear expressways which come together at the center, which is best demonstrated by Houston, and also seen in other cities like Columbus, Cincinnati, etc. Or the grid layout, more common in coastal cities like LA, Miami, or Cleveland, but also seen in interior cities like Minneapolis?

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Old August 22nd, 2006, 05:19 AM   #99
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Grid systems for me, a beltway is fine, but in some cases (like DC) it actually brings more congestion than relief...a spoke-and-wheel is nice, but grid-systems seem more logical to me, IMO.

Hartford has an indescribable system, it does have a simple north-south (I-91) and a east-west (I-84), but then it has a highway coming from the southeast, and lots of highways coming out of these in the suburbs...

In a way, it has an unfinished wheel-and-spoke system. without the wheel.
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Old August 22nd, 2006, 05:32 AM   #100
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Minneapolis has a beltway, but inside that beltway it is grid-esque.
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