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Old August 28th, 2017, 02:00 PM   #2361
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Quote:
Originally Posted by ssiguy2 View Post
Without going back and reading 100 pages, what exactly is the difference between RER and suburban rail?
RER is a part of suburban railway network. There are some suburban railway lines which does not terminate at a large terminus station but have a downtown tunnel instead. They are called RER.
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Old August 28th, 2017, 03:04 PM   #2362
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Yes I just explained that.
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Old August 28th, 2017, 04:43 PM   #2363
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Quote:
Originally Posted by ssiguy2 View Post
Without going back and reading 100 pages, what exactly is the difference between RER and suburban rail? Is suburban rail what people in NA would call commuter rail that runs primarily or only in rush hour? In NA a RER-type system IS suburban rail.
There's no real difference. What defines RER is the fact that the lines runs through the city and are part of the urban network, thats's all.

Apart from that, RER and Transilien uses quite the same rolling stock, sometimes share the same tracks, and both of them runs all day long. In some cases you even have a choice ; as an exemple, you have access to the castle in Versailles with the RER C, the Transilien U (from La Defense) or the Transilien N (from Montparnasse), or even the transilien L (from Saint Lazare).

All RER lines are former suburban lines.

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Old August 29th, 2017, 08:03 AM   #2364
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Is the RER completely grade separated? If so, why isn't it just called "Metro"?
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Old August 29th, 2017, 07:26 PM   #2365
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Quote:
Originally Posted by ssiguy2 View Post
Is the RER completely grade separated? If so, why isn't it just called "Metro"?
Because it isn't a metro. Also the Berlin S-Bahn is completely grade separated from the national railway network and offers a metro-like service. But it's not called Metro.

Anyway, I think that in the RER only A and B lines are completely grade separated from the national railway network. Lines C, D and E aren't.
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Old August 29th, 2017, 07:39 PM   #2366
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Actually, only the RATP network (western part of RER A and southern part of RER B) is grade separated. No other train services use these tracks. The other lines are operated by SNCF and use the RFN (Réseau Ferré National) tracks which are shared with other Transilien lines, national lines and freight.
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Old August 29th, 2017, 07:47 PM   #2367
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Quote:
Originally Posted by sergiogiorgini View Post
It is suburban rail, but Paris has two types of suburban rail. The Transilien network is the "old" network that terminates at the major railway stations around the city (forcing most to change to Métro or RER there); the RER is a network of lines that dive underneath the city, connecting suburbs on either end. There are plans to rebrand both as simply "trains", but I doubt that'll happen any time soon. The distinction is useful.
IMO is more efficient the german S-Bahn system (specially
in Berlin, Hamburg and Munich) where all the suburban rail lines cross the city on underground (or overground) without ending at the major railway stations.

I've never understood why the Transilien lines are not converted into RER lines. It would be enough join the Transilien and RER line and convey the Transilien trains in the existing RER tunnels.
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Old August 29th, 2017, 08:57 PM   #2368
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You are gravely underestimating passenger demand in Paris. The central sections of the RER are either very near capacity or, in the case of line A, over it. There's no way they could handle the entire Transilien network on top of that.

The only way to do that is with more tunnels, as they are doing now with the line E extension. Which is costly, difficult, time-consuming...

There is also the fact that German cities are smaller, and were smaller in the 19th Century, enabling them to build lines along the built-up areas that were still within walking distance to the historic cores. Paris and London had to do with terminus stations which bored as far into the cities as possible.
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Old August 29th, 2017, 10:02 PM   #2369
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It would be enough join the Transilien and RER line and convey the Transilien trains in the existing RER tunnels.
Sorry, but I think (no, actually I'm sure) you have no idea what you talk about.
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Old August 29th, 2017, 11:27 PM   #2370
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I've never understood why the Transilien lines are not converted into RER lines. It would be enough join the Transilien and RER line and convey the Transilien trains in the existing RER tunnels.
The current works include the conversion of some transilien lines to RER, as the extension of the E line will take over the route of some of the J transiliens.

In the original plan, the D line was supposed to take over some of the North and South-East suburban lines, share the A tunnel between Gare de Lyon and Les Halles, and then the B tunnel to Gare du Nord. In the end, only the B tunnel is shared, and this is the weakest point of the network, transmitting any problem on one line along both RER lines. To improve on the current situation, there is a project to rework the signalling to support 40 trains per hour per direction in the tunnel.
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Old August 30th, 2017, 06:10 AM   #2371
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When I say grade separated I don't mean with other trains but rather from all road and pedestrian interaction.
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Old August 30th, 2017, 06:59 AM   #2372
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Quote:
Originally Posted by ssiguy2 View Post
When I say grade separated I don't mean with other trains but rather from all road and pedestrian interaction.
Overall yes, there are no level crossings (as we call them in Europe), but I think there's still some sparse ones left here and there.

St Germain en Laye GC Transilien, I think... and some other I'm forgetting.

The La Ferté-Milon branch, I'd say. At least La Ferté-Milon station doesn't have an underpass or overpass, passengers have to cross the tracks.

Correct me what I may have missed.
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Old August 31st, 2017, 11:22 PM   #2373
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Quote:
Originally Posted by SSCreader View Post
The floor height for the doors on MI09 trains is 1200mm, and the platforms on line A are at around 1100mm. It is the same platform height on the south of the B line.

For everything else, there is no clean answer. You have three generic types: low, middle and high platform. Low usually means 550m, but you have some curved stations at 320mm. Middle is 760mm, high is 920mm. Each line uses trains that are adapted to the existing mix of platforms.
Thanks a ton SSCreader !
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Old September 1st, 2017, 11:48 PM   #2374
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Quote:
Originally Posted by ssiguy2 View Post
When I say grade separated I don't mean with other trains but rather from all road and pedestrian interaction.
But if we only apply this criterion, hundreds of km of rail lines across Europe, especially close to large cities like Berlin, London, Paris or Madrid, should be classified as "metro" even though other factors, like the above mentioned, make them incompatible with usual metro standards (namely sharing tracks with freight and long-distance trains, or having branches at each end where there's only a train every 20 minutes).
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Old September 6th, 2017, 09:58 PM   #2375
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The parisian network is a patchwork of different styles.

Saint Lazare, the junction between the recent entrance to the RER E station and the old metro footpath :



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Old September 23rd, 2017, 04:54 PM   #2376
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RER E coach with an African art visual theme:



https://twitter.com/Lepicard1986/sta...71784847826944
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Old September 23rd, 2017, 08:17 PM   #2377
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what was the purpose? An expo at Orsay Museum or something?
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Old September 23rd, 2017, 11:09 PM   #2378
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An article in french about this.

This train on RER line E has been decorated this way in cooperation with the Musée du quai Branly - Jacques Chirac, to present a part of teh museum's collection. It is the fifth suburban train thus decorated, with different themes for each train (Versailles on RER C, Impressionistes on Transilien J, Cinema on RER D, and Rambouillet's palace & forest on Transilien N).

According to the article, passengers like those decorations, and there are fewer graffiti to clean on decorated trains.

Decorated trains are a side effect of the anti-graffiti methods used in Paris. Vinyl adhesives with solid colors cover walls and ceilings inside recent trains. They are easy to clean, and easy to replace if cleanup is impossible. By printing a pattern on those adhesives, you can apply this type of decoration, and it probably does not cost much more than the standard cleanup process.
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Old September 23rd, 2017, 11:27 PM   #2379
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Thanks for the answer & the article!
(Oh and BTW when I wrote Orsay Museum I had Quai Branly one in mind actually. My bad )
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Old September 25th, 2017, 01:10 AM   #2380
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Quote:
Originally Posted by Sacré Coeur View Post
Actually, only the RATP network (western part of RER A and southern part of RER B) is grade separated. No other train services use these tracks. The other lines are operated by SNCF and use the RFN (Réseau Ferré National) tracks which are shared with other Transilien lines, national lines and freight.
No other services use the western part of RER A? There are Transilien services to Cergy during the peaks...
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