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Old May 8th, 2006, 06:06 AM   #21
MSPtoMKE
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Chicago no longer uses the A/B Skip Stop setup, it was abandoned in the 1990's. On most lines, all train stop at all stations. It does have a limited express system however. The main Elevated line north of the Loop is four tracked north of Armitage. The Brown Line acts as a local train, and the Red line skips a few stops south of Belmont until it enters the State Street subway. The Purple Line Express runs express from Howard until Belmont during rush hours.

Philadelphia's Broad Street Subway Line also has an express/local setup.
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Old May 8th, 2006, 07:48 AM   #22
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Well here in NY,we have many express lines.
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Old May 8th, 2006, 08:12 AM   #23
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Tokyo's three express subway express systems.


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Old May 8th, 2006, 12:25 PM   #24
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Delete Melbourne, Sydney and Perth. They aren't metro systems, but suburban rail networks.
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Old May 8th, 2006, 11:14 PM   #25
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With you definition of skip-stop and express lines, then the Metropolitan and Piccadilly lines would be skip-stop rather than express lines, right?
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Old May 8th, 2006, 11:56 PM   #26
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Quote:
Originally Posted by AG
Delete Melbourne, Sydney and Perth. They aren't metro systems, but suburban rail networks.
Yes!

Also you can delete Paris RER, it is not metro. Otherwise you should count FGC in Barcelona and RENFE in BCN and Madrid, because they have got some skip/stop and express lines.
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Old May 9th, 2006, 01:31 AM   #27
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Quote:
Originally Posted by samsonyuen
With you definition of skip-stop and express lines, then the Metropolitan and Piccadilly lines would be skip-stop rather than express lines, right?
An express line also skips stops, but I would understand the term skip-stop system as two lines with alternate stops that have about equal total travel times. But Metropolitan is faster than Jubilee on the branch they share.

If you want to travel fast in a well-designed skip-stop system, you would have to change trains at every transfer station T in order to exploit all the express sections.


Last edited by micro; May 9th, 2006 at 01:37 AM.
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Old May 9th, 2006, 02:22 AM   #28
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Skip stop (as used in New York) is essentially "express" on a regular double tracked line. One train skips certain stations while the next train stops at the stations skipped by the first train. Both trains usually stop at busier stations.

Express requires one or more dedicated tracks. In New York, it's either a three (peak direction express) or four tracked line (bi-directional express) with the track(s) in the middle being the express track(s). The express tracks only have platforms at express stations, so if an express train needs to make a local stop, it has to use a local track.

This map indicates both express and skip stop lines clearly. (only the J and Z currently have skip stop service)
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Old May 9th, 2006, 04:41 AM   #29
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All of Tokyo's subways are double track. For two of the subway lines (Shinjuku and Tozai line), the express passes the local at a siding at an intermediate station. For the Asakusa line, the express runs infrequently and only passes the local at the terminal station. For the Yurakucho line, it shouldn't really count since the express tracks will become a seperate line anyway. The Tokyo subway system doesn't have any long lines, so express isn't that necessary. JR and most private railways have express/local lines, though.
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Old May 9th, 2006, 05:04 PM   #30
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Quote:
Originally Posted by matthewcs
Paris's RER skips stops on the way from the Airport (C.Gaul). It freaked me out the first time because I didn't know how to make it stop. (I thought I had to hit a button or something)
As Falubaz said, you should have looked at the signs...

According to the "mission", the Paris RER netwok has a skip-stop service. Inside Paris, it's always an omnibus service.

The pictures don't represent a right case (different branchs) but it looks like that:




This picture is a real skip-stop service (5 stations skipped on the same branch):

Last edited by [email protected]; May 9th, 2006 at 05:09 PM.
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Old May 9th, 2006, 05:19 PM   #31
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Quote:
Originally Posted by bitxofo
Yes!

Also you can delete Paris RER, it is not metro. Otherwise you should count FGC in Barcelona and RENFE in BCN and Madrid, because they have got some skip/stop and express lines.
In FGC lines:

-Barcelona-Vallès line--> skip/stop line. L6-L7 stop at all stations. S1 and S2 dont stop at Sant Gervasi, La Bonanova and Les Tres Torres. S5/S55 don't stop at Peu del Funicular, Baixador de Vallvidrera and Les Planes.

-Llobregat-Anoia line--> express lines. L8/S33/S4/S7/S8 stop at all stations. R5 and R6 stops between Barcelona and Martorell at: Pl.Espanya, Illdefons Cerdà, L'Hospitalet-Av.Carrilet, Almeda, Sant Boi, Sant Andreu de la Barca, Martorell-Enllaç. Between Martorell and Manresa/Igualada stop at all stations, except 1 train Igualada-Barcelona and 1 train Manresa-Barcelona in morning peak-hour in weekdays, who are semidirect train, Igualada-Barcelona stop only at: Igualada, Piera, Masquefa, Sant Esteve Sesrovires, Martorell-Enllaç, Sant Andreu de la Barca, Sant Boi, Almeda, L'Hospitalet/Av.Carrilet, Illdefons Cerdà and Barcelona-Pl.Espanya. Manresa-Barcelona train stops at Manresa-Baixador, Manresa-Alta, Olesa de Montserrat, Abrera, Martorell-Enllaç (and the same stops to Barcelona).

And in RENFE... they are a lot of diferent services.
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Old May 9th, 2006, 05:22 PM   #32
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in this pic

there is a indication of the line 'B' and a short word EMIR as well,
i've never got it, what it indeed is. i thought, its some kind of service name, that every service has its name and u can just remember, that for example to my home i have always to take EMIR 'coz other trains don't stop at my station.
does it really works like that? or it means something else? In paris, every time i am there, i have to look at that indicators with all stops, and i wonder what are these abbrevation names in front of every RER train.

could someone explain it?
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Old May 9th, 2006, 06:42 PM   #33
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The first letter is the terminus, the second the stations served by the train or the type of service (omnibus, out of service, sercive modified after an accident, ...), the others are used to make pronounciable words (like ZEUS, ZEMA, ...).

http://fr.wikipedia.org/wiki/Réseau_express_régional_d'Île-de-France
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Old May 9th, 2006, 06:47 PM   #34
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These codes are what I called "mission" code.
Each train is identified by a code mission of 4 letters and 2 digits. The first letter indicates the terminus of the train, the second characterizes the mission of the train i.e. the whole of the points of stop, the third and fourth letters supplement the name. For example trains "ZEBU" have a terminus in Saint-Germain-en-Laye (letter Z) and are omnibus (letter E). The two figures indicate the sequence number of the trains and the direction of circulation - odd for East-West (south-north for the B), even for west-east.


All codes:
RER A & B:
http://www.navily.net/codesrer.php

RER A:
http://www.tuby.com/tdv/codes/e_2004_rera.html

RER D:
http://www.tuby.com/tdv/codes/e_2004_rerd.html
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Old May 9th, 2006, 07:32 PM   #35
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Quote:
Originally Posted by bitxofo
Yes!

Also you can delete Paris RER, it is not metro. Otherwise you should count FGC in Barcelona and RENFE in BCN and Madrid, because they have got some skip/stop and express lines.
RER is an hybrid system subway and suburban line

The project name of the RER was Metro Express.
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Old May 9th, 2006, 09:48 PM   #36
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thanks a lot [email protected] and Coccodrillo for that infos.
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Old May 10th, 2006, 04:46 AM   #37
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Old May 10th, 2006, 05:18 AM   #38
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Vancouver's Expo Line has express trains.
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Old May 10th, 2006, 06:25 AM   #39
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Quote:
Originally Posted by samsonyuen
With you definition of skip-stop and express lines, then the Metropolitan and Piccadilly lines would be skip-stop rather than express lines, right?
Are you telling me that the Metropolitan and Picadilly lines are actually sharing tracks ?

Then, the London tube network is even worst than I though.

In Paris there are multiple lines "skipping" stations of other lines, but they are all operated in dedicated tunnels. In many aspect, the RER A could be considered as the express line of line 1 and the RER B could be considered as the express line of line 4. Line 14 is also somewhere an express line of line 1 as it goes directly from Châtelet to Gare de Lyon while line 1 would stop at Hotel de Ville, Saint-Paul and Bastille.

But all those lines, RER and métro, are all operated in their dedicated tunnels. As such, you don't go through skipped stations as you would in NYC.
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Old May 10th, 2006, 06:34 AM   #40
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Quote:
Originally Posted by Falubaz
in this pic

there is a indication of the line 'B' and a short word EMIR as well,
i've never got it, what it indeed is. i thought, its some kind of service name, that every service has its name and u can just remember, that for example to my home i have always to take EMIR 'coz other trains don't stop at my station.
does it really works like that? or it means something else? In paris, every time i am there, i have to look at that indicators with all stops, and i wonder what are these abbrevation names in front of every RER train.

could someone explain it?
Indeed, EMIR is the name of the service. The first letter indicate the terminus station of the service and the second letter indicate his kind (some services being express untill last stations and others being omnibus). The two last letters are chosen in order to make the name easy to remember. The system has been thought so that those using regularly the line could quickly identified the services they are interested in.

Here are the terminus station according to the first letter of the services on the RER B :

Northbound : A = Gare du Nord, E = Roissy - Charles de Gaulle, G = Aulnay-sous-Bois, I = Mitry - Claye, Q = La Plaine - Stade de France.

Southbound : J = Denfert-Rochereau, K = Massy-Palaiseau, L = Orsay, P = Saint-Rémy-lès-Chevreuse, S = Robinson, U = Laplace.

All RER lines are omnibus in the center of their network.
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