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Old October 21st, 2016, 12:22 AM   #61
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I just wanna add that the Urquiza Line use 3rd rail too.
Yes, but broad gauge's third rail has a voltage of 830 V CC and the standard gauge's one has a voltage of 600 V CC. Moreover, the pick up shoes go under the third rail on Mitre/Sarmiento lines but over the rail on Urquiza line. This difference is originated in the fact that Urquiza line was a former interurban or radial railway electrified with 600 V CC overhead line but converted to third rail on some sections when the San Francisco Key System and Los Angeles Pacific Electric cars came to Argentina:



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Old October 22nd, 2016, 07:40 AM   #62
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Thanks to all for my answers
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Old October 22nd, 2016, 09:26 PM   #63
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Yes, but broad gauge's third rail has a voltage of 830 V CC and the standard gauge's one has a voltage of 600 V CC. Moreover, the pick up shoes go under the third rail on Mitre/Sarmiento lines but over the rail on Urquiza line. This difference is originated in the fact that Urquiza line was a former interurban or radial railway electrified with 600 V CC overhead line but converted to third rail on some sections when the San Francisco Key System and Los Angeles Pacific Electric cars came to Argentina:



The train in left shows it has trolley-poles. So a trolley-pole system (which is/was common with tram systems) was used formerly on suburban rail system!!?? Really unique. !!!
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Old December 3rd, 2016, 05:00 PM   #64
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Mitre Line elevation project

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Official rendering of the elevated stations:
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Old December 3rd, 2016, 05:17 PM   #65
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Restoration of Retiro Mitre terminal station


Cleaned and repainted façade:
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Future interior design:
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Starting the works:
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Work in progress at the station's roof:
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Old December 3rd, 2016, 07:44 PM   #66
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Yaaay!
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Old January 6th, 2017, 07:52 PM   #67
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Sarmiento tunnelling







https://www.facebook.com/mauriciomac...54959506368478
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Old January 7th, 2017, 04:02 AM   #68
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This scene seems so odd to me. Usually due to such huge cost of tunnelling, the only time it's used is when there is no suitable surface corridor where transportation is needed. But to actually have a suitable surface corridor that's already in use right beside where a tunnel is being made just seems bizarre...
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Old January 7th, 2017, 06:08 AM   #69
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The thing is that since that line passes through very densely populated parts of the city it disturbs traffic because there are too many level crossings, and at the same time the trains can't have better frequencies because if they did then the level crossings would be closed most of the time due to the trains constantly passing by. So you could say it's not truly a suitable corridor. It was back when it was built more than a century ago, but since then the city grew all arround it.
By burying the Sarmiento Line in that densely populated section you solve both problems: traffic can be much more fluid AND the trains can have shorter frequencies without bothering anyone.
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Old January 7th, 2017, 07:35 AM   #70
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Any idea why they didn't elevate it as a solution to the grade separation?
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Old January 7th, 2017, 05:11 PM   #71
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Because the Sarmiento Line goes along the so called West Corridor, a highly populated and densely built corridor from the center of Buenos Aires to the West suburbs, and an elevated solution was negatively viewed from the urbanists point of view...

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Old January 7th, 2017, 05:22 PM   #72
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Sometimes if the land is in a very dense and valuable location, freeing it for development will cause the value of the real estate to actually offset the increased cost of the tunneling. Do we know yet what the land will be used for after the tracks are underground?
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Old January 7th, 2017, 06:33 PM   #73
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¡It's supposed to be a linear park or green corridor!
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Old January 7th, 2017, 07:14 PM   #74
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Restoration of Plaza Constitución terminal station

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Old January 31st, 2017, 04:34 PM   #75
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From Rail Journal

http://www.railjournal.com/index.php...ml?channel=536

Suppliers consulted on Buenos Aires RER rolling stock plans
Tuesday, January 31, 2017



ARGENTINA’s Ministry of Transport and Argentinean Trains (TA) have held a series of technical consultations with international rolling stock suppliers as part of preparations for procurement for the Buenos Aires RER project

The aim of the three meetings was to seek feedback which might improve technical aspects of the bidding documents and ensure transparency in the tendering process

...
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Old February 18th, 2017, 09:23 PM   #76
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This scene seems so odd to me. Usually due to such huge cost of tunnelling, the only time it's used is when there is no suitable surface corridor where transportation is needed. But to actually have a suitable surface corridor that's already in use right beside where a tunnel is being made just seems bizarre...
Don't be decived by the image, there's space there because it's in a disused railway yard the majority of the path is really crowded. Still in my opinion tunneling was not the best solution for improving the line, it would be better to bulid an open trench from Caballito (where the old trench ends) to Liniers (sorting the densest part) and eliminating the rest of the level crossings with tunnels for vehicles. In this project in my point of view they are tunneling more than it's necessary (from haedo to liniers)
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Old February 20th, 2017, 12:11 AM   #77
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Don't be decived by the image, there's space there because it's in a disused railway yard the majority of the path is really crowded. Still in my opinion tunneling was not the best solution for improving the line, it would be better to bulid an open trench from Caballito (where the old trench ends) to Liniers (sorting the densest part) and eliminating the rest of the level crossings with tunnels for vehicles. In this project in my point of view they are tunneling more than it's necessary (from haedo to liniers)
That was the first idea, but they would have to suspend the service for many years until the construction its over. That would create an absolute chaos for the people who use this railway.
Even with the higher costs, this is the best way to do this.
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Old March 3rd, 2017, 09:05 PM   #78
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Ferrocarriles Argentinos y Deutsche Bundesbahn, dos pasiones...

"Die Eisenbahn ist für mich ein Symbol des Lebens: Man sitzt ruhig und bewegt sich doch schnell vorwärts." (Wolfgang Korruhn)

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Old March 3rd, 2017, 09:14 PM   #79
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Old March 3rd, 2017, 09:25 PM   #80
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