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| London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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#22
June 20th 16, 12:54 PM
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Why does the victoria line still have signals?
On 15.06.16 20:00, Richard wrote:
On Tue, 14 Jun 2016 18:49:40 -0500, wrote: In article , (Richard) wrote: On Tue, 14 Jun 2016 15:41:55 -0500, wrote: In article , (Richard) wrote: According to Wikipedia "LUL claims that this is the world's first ATO-on-ATO upgrade", which Paris, Barcelona, etc. might have something to say about. On the basis that the Victoria Line was the first automatically driven line and its ATO system has now been replaced? Have Paris or Barcelona done that? Both were testing automation in the 50s, and Barcelona's line 5 had ATO in service in 1961 (so LUL aren't correct about being first). This was a creaky system based upon photo-electric cells - I think Paris v1.0 was similar, so it will have been replaced, I imagine twice. Paris certainly replaced a lot of conventional ATO equipment on the busiest lines in the 70s, but in that case it was more of the same rather than the impressive upgrade that the Victoria line got. And do either plan to run 36 8-car trains an hour? Paris's line 1 has around 20tph at the moment, local time 2100. But really that wasn't the question, nor was it a contest. Paris did achieve a first, the conversion of that line, the city's oldest, into unattended ATO a few years ago. Richard. Isn't line 4 due for conversion to crewless in the next few years? |
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#23
June 20th 16, 09:04 PM
posted to uk.transport.london
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Why does the victoria line still have signals?
On Mon, 20 Jun 2016 13:54:33 +0100, "
wrote: On 15.06.16 20:00, Richard wrote: On Tue, 14 Jun 2016 18:49:40 -0500, wrote: In article , (Richard) wrote: On Tue, 14 Jun 2016 15:41:55 -0500, wrote: In article , (Richard) wrote: According to Wikipedia "LUL claims that this is the world's first ATO-on-ATO upgrade", which Paris, Barcelona, etc. might have something to say about. On the basis that the Victoria Line was the first automatically driven line and its ATO system has now been replaced? Have Paris or Barcelona done that? Both were testing automation in the 50s, and Barcelona's line 5 had ATO in service in 1961 (so LUL aren't correct about being first). This was a creaky system based upon photo-electric cells - I think Paris v1.0 was similar, so it will have been replaced, I imagine twice. Paris certainly replaced a lot of conventional ATO equipment on the busiest lines in the 70s, but in that case it was more of the same rather than the impressive upgrade that the Victoria line got. And do either plan to run 36 8-car trains an hour? Paris's line 1 has around 20tph at the moment, local time 2100. But really that wasn't the question, nor was it a contest. Paris did achieve a first, the conversion of that line, the city's oldest, into unattended ATO a few years ago. Richard. Isn't line 4 due for conversion to crewless in the next few years? Yes, apparently the platform edge doors will start to be fitted in 2018 and the line will run by itself in the early 2020s. A page here says 2022 but also that work "will start in 2014"! http://www.ratp.fr/en/ratp/r_92417/r...-4-automation/ Richard. |
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