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Old July 7th, 2016, 04:57 PM   #1061
ChrisZwolle
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I've read the articles. They are incorrect. One last try

Quote:
Originally Posted by Xicano View Post
The Coatzacoalcos tunnel represents a technological innovation in the construction sector, as it involves a technique known as the Immersed-Tunnel Method, in which reinforced concrete tunnel sections were pre-fabricated at a dry-dock next to the river, before being specially prepared, to give them buoyancy, towed and installed on the river bed without the need to use special underground tunnelling machinery.

http://www.fccco.com/en/web/construc...lcos-en-mexico
The 'technological innovation' described here has been used for over 100 years.

Construction began in October 1906 (...) The Michigan Central Railway Tunnel opened for passenger service July 26, 1910. (...) It was the first immersed tube tunnel to carry traffic.

The Posey tube, an immersed tube completed and opened to traffic on October 27, 1928

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Originally Posted by Xicano View Post
the first immersed tube underwater tunnel in Latin America.

http://www.worldhighways.com/categor...latin-america/
As stated before, the tunnel under the Río Paraná and the tunnel in Havana are both immersed tubes, built in the 1950s and 1960s. So it is not the first immersed tunnel in Latin America, even if those articles claim it is.

Dubious claims about the longest, largest, widest, first, oldest are often made with any kind of project. Governments always want their project to be something unique.
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Old July 7th, 2016, 05:11 PM   #1062
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Quote:
Originally Posted by ChrisZwolle View Post
I've read the articles. They are incorrect. One last try



The 'technological innovation' described here has been used for over 100 years.

Construction began in October 1906 (...) The Michigan Central Railway Tunnel opened for passenger service July 26, 1910. (...) It was the first immersed tube tunnel to carry traffic.

The Posey tube, an immersed tube completed and opened to traffic on October 27, 1928



As stated before, the tunnel under the Río Paraná and the tunnel in Havana are both immersed tubes, built in the 1950s and 1960s. So it is not the first immersed tunnel in Latin America, even if those articles claim it is.

Dubious claims about the longest, largest, widest, first, oldest are often made with any kind of project. Governments always want their project to be something unique.

You still dont get it thats fine, you can argue with all the engineers and 2 nations that built it. Just name calling and making slanderous threats about nations shows bad taste on your end!

Cheers!!
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Old July 7th, 2016, 09:15 PM   #1063
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Moving on...

The Autopista Ciudad Valles-Tamuín has been inaugurated yesterday. It's a 49 kilometer super two autopista that forms a bypass of Ciudad Valles and Tamuín in San Luis Potosí state.

http://www.gob.mx/presidencia/articu...otosi?idiom=es



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Old July 7th, 2016, 09:26 PM   #1064
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That kind of highway seems really unsafe
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Old July 10th, 2016, 07:15 AM   #1065
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More pics:

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Originally Posted by Lordloya View Post
El día de ayer, peñita inauguro el libramiento/autopista Cd. Valles - Tamuín S.L.P., que forma parte de la modernización del eje transversal Manzanillo-Tampico.




Inauguración de la Autopista Ciudad Valles-Tamuín by Presidencia de la República Mexicana, en Flickr


Inauguración de la Autopista Ciudad Valles-Tamuín by Presidencia de la República Mexicana, en Flickr


Inauguración de la Autopista Ciudad Valles-Tamuín by Presidencia de la República Mexicana, en Flickr

La nueva vía con rojo:

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Old July 10th, 2016, 08:39 PM   #1066
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A new bridge between Barra Vieja and Tejoruco (southeast of Acapulco). It appears that the old bridge was swept away by a flood circa 2012-2013.


FOTO 5 by SCT México, on Flickr


FOTO 7 by SCT México, on Flickr
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Old July 14th, 2016, 05:45 AM   #1067
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nature road.
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Old July 19th, 2016, 09:17 PM   #1068
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The Macrolibramiento de Guadalajara will open soon. The first 30 kilometers on the east side of the city is almost completed from the road to Chapala to Zapotlanejo.

http://www.milenio.com/region/Echara...776322645.html

A map of the Macrolibramiento.

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Old July 21st, 2016, 07:42 PM   #1069
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Here are some photos of the firsts opened 30km.

Quote:
Originally Posted by AlainGDLvip View Post
Comparto fotos del Macrolibramiento















Créditos a sus autores
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En alguna parte entre el bosque.

SSC-GDL/UrboĈielskrapanto Gvadalaharo


Por favor, estudie matemáticas.

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Old July 21st, 2016, 10:27 PM   #1070
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The modernized and widened Autopista México - Toluca (segment La Marquesa - Toluca) was inaugurated yesterday.



Hopefully someone can post good quality photos of this autopista
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Old July 25th, 2016, 09:42 PM   #1071
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Here are two more photos of México - Toluca (La Marquesa - Toluca). They added express lanes in the median.


FOTO 2 by SCT México, on Flickr


FOTO 1 by SCT México, on Flickr
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Old August 1st, 2016, 08:29 PM   #1072
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More photos of Guadalajará's Macrolibramiento.

Quote:
Originally Posted by AlainGDLvip View Post
Más fotos del Macrolibramiento >>>>

















Créditos a sus autores
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En alguna parte entre el bosque.

SSC-GDL/UrboĈielskrapanto Gvadalaharo


Por favor, estudie matemáticas.
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Old August 11th, 2016, 03:32 PM   #1073
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Puebla

The second deck of the autopista through the city of Puebla.


FOTO 2 by SCT México, on Flickr


FOTO 4 by SCT México, on Flickr


SUPERVISION (4) by SCT México, on Flickr
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Old August 13th, 2016, 06:10 AM   #1074
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One thing I have always found interesting about the rural highways in Mexico is how light the traffic always is.

If you are in the big cities the traffic is heavy and congested but just a few km away the traffic seems to die right down. Half the traffic seems to be inter-city buses. I think this is for 3 reasons:

1} Lower car ownership rates and relatively expensive gas and car prices in relation to average Mexican wages
2} No passenger train service so inner-city buses are the only option for most
3} The local roads are slow, congested, and in poor repair but the inner-city expressways, while in very good condition, safe, and fast, are outrageously expensive. The highway tolls in Mexico are beyond anything in even the US and Canada and when taking into account the much lower incomes of Mexicans, they are obscene which is why many Mexicans avoid them.

The toll highways usually don't apply in the big cities so the traffic is very heavy but many don't consider them an option when travelling a distance outside the city.

I can understand needing some tolls needed for the construction of new highways to help pay for them initially and for maintenance but the prices in comparison to Mexican wages is completely out of wack. You can be damn sure there is some hard core palm greasing getting done between the government and highway developers in corrupt prone Mexico.
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Old August 13th, 2016, 06:52 AM   #1075
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you are missing a very important factor:
- there is always an alternate road/highway free of cost that runs in parallel to any toll road...
thus the traffic gets split between the tool road and the "carretera libre" (no toll roads)...

this is in contrast to for example US and Canada where all the traffic flows thru the main road(s), with some exceptions of course.

On the other hand, yes, the toll roads are way too expensive...and the gas price is ridiculously high for a country with vast oil resources.
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Old August 13th, 2016, 07:07 AM   #1076
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Autopista 15D

(Mazatlan city's bypass, in the Northwestern state of Sinaloa)














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Old August 13th, 2016, 08:03 PM   #1077
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- under construction -

Palmillas-Apaseo bypass

90 kilometers long / (blue line in the map)







one of the many bridges, near to San Juan del Rio:




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Old August 14th, 2016, 09:04 PM   #1078
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Guadalajara's bypass is very good
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Old August 19th, 2016, 06:16 AM   #1079
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Xalapa bypass

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Old August 26th, 2016, 10:36 AM   #1080
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hello , here is a video driving from northeast mexico to central mexico , a 2900km [1800 miles] round trip

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