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Old May 23rd, 2009, 05:05 PM   #241
JoKo65
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But the most common version of a fully grade separated section is of course the underground tunnel:


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Old May 23rd, 2009, 05:32 PM   #242
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Fully grade separated, Stadtbahn in tunnel, S-Bahn elevated, cars at ground level – station Hansaring:


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Old May 23rd, 2009, 11:00 PM   #243
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Other stretch layouts with a high level of independence are the light railway and the heavy railway layouts – in spite of the fact that they are not free of railway crossings.

Light railway stretches.

Station Leuchterstraße:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-74356.jpg[/IMG]

Between Wichheimer Straße and Herler Straße:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-96086.jpg[/IMG]

Station Vischeringstraße:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-75586.jpg[/IMG]


Heavy railway stretches.

Station Siegstraße:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-74233.jpg[/IMG]

Between Sürth and Godorf:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-74232.jpg[/IMG]

Station Roisdorf West:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-71777.jpg[/IMG]
**************
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Old May 24th, 2009, 04:29 PM   #244
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More examples for heavy railway sections of Stadtbahn Cologne.

Approaching Buschdorf:



Near Uedorf:



Leaving Godorf:



Between Urfeld and Widdig:


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Old May 24th, 2009, 06:37 PM   #245
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More examples for light railway sections of Stadtbahn Cologne.

Dellbrück, Hauptstraße:



At Ford works in the north of Cologne:



Near Merkenich terminus:


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Fordwerke Nord:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-167962.jpg[/IMG]

At Lustheide:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-124309.jpg[/IMG]
**************
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Old May 24th, 2009, 09:31 PM   #246
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Another stretch layout is the light rail layout – not to be mixed up with the light railway layout! The light rail layout is not as independent as the fully grade separated Stadtbahn layout, the heavy railway layout or the light railway layout. The trains run on separated tracks with crossings, often in the middle of a street. Normally they have to attend the traffic lights. On the one hand the traffic lights give the trains priority over the cars, on the other hand this is not as efficient as a railway crossing on heavy or light railway stretches.
So we can say: Light rail layout is better than tram layout, but worse than heavy or light railway or fully grade separated Stadtbahn layout.

Light rail layout.

Near Zülpicher Platz:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-193559.jpg[/IMG]

Dürener Str./Gürtel:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-132423.jpg[/IMG]

Barbarossaplatz:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-290607.jpg[/IMG]

Ubierring:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-273500.jpg[/IMG]

On the Gürtel:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-266889.jpg[/IMG]
**************

Rudolfplatz, combined Stadtbahn/bus lane. On the left is the bus stop, on the right the low floor Stadtbahn station. The Stadtbahn platform is higher than the bus platform, if you look carefully you can see the increase:


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Old May 25th, 2009, 03:27 PM   #247
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As I have told you above, there are about 21 km of tram layout stretches left in the network of Stadtbahn Cologne. These stretches will be fewer and fewer because they are a problem for the network since they are dependent on car traffic. In the past many of such stretches have been substituted by underground tunnels and this process will last.

Here are some examples for tram layout stretches.

Station Pohligstraße:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-141621.jpg[/IMG]

Hönninger Weg:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-128618.jpg[/IMG]

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-128616.jpg[/IMG]

Station Zollstockgürtel:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-128615.jpg[/IMG]
**************
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Old May 26th, 2009, 09:32 AM   #248
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More.

At Gleueler Straße:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-75414.jpg[/IMG]

Moltkestraße:

[IMG]http://www.**************/bilder/nachtaufnahmen-69960.jpg[/IMG]

Zülpicher Straße:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-68903.jpg[/IMG]
**************
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Old May 31st, 2009, 02:57 PM   #249
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Now al little résumé: The inhabitants of Cologne have the luck, that there are heavy railway stretches which are owned by Cologne and are now part of the Stadtbahn network, furthermore Cologne had several light railway lines in the past, which has been bought by Cologne and now are part of the Stadtbahn network too. On the other hand Cologne begun in the 60ies with the construction of grade separated Stadtbahn stretches to substitute tram stretches. Because of this mixture, Cologne's Stadtbahn has today the advantage of approx. 135 km of stretches which are metro-like. In comparison to other german networks (Stadtbahn or U-Bahn) this is a quite good position.
Only about 56 km of the network are stretches which are light rail-like or tram-like and I'm sure, that several of this stretches will be substituted by grade separated Stadtbahn stretches in the future.
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Old May 31st, 2009, 03:05 PM   #250
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Thank you for this very comprehensive thread by the way, Joko. The photos and information are great.
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Old June 2nd, 2009, 02:02 AM   #251
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Quote:
Originally Posted by Svartmetall View Post
Thank you for this very comprehensive thread by the way, Joko. The photos and information are great.
Thank you for the compliment!
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Old June 3rd, 2009, 09:06 PM   #252
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I am impressed that system of transport type lrt the truth is another very different form to see the transport, one becomes very efficient and very aesthetic.

Greetings from Guadalajara, Jalisco, Mexico


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Old June 5th, 2009, 11:33 AM   #253
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After WWII Cologne had to decide between the today's system, a metro and an Alweg train system. They decides to build the today's system.
I will write something about this decision in this thread.
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Old June 6th, 2009, 08:41 PM   #254
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Something about the velocities driven on the different stretch layouts of Cologne's Stadtbahn.

Fully grade separated stretches are built for a Vmax of 80–100 km/h. But the Vmax at the moment is 70 km/h on these stretches.

Exception: In the centre of Cologne exist some stretches from the 60ies, these have got some narrow curve radiuses (like Paris' metro in some cases), therefore the Vmax on these stretches is 50 km/h.

The Vmax on light railway stretches is 60–70 km/h.

The Vmax on heavy railway stretches is 80–100 km/h, but in some sections 120 km/h would be possible.

Light rail stretches can be used with a Vmax of 70 km/h.

Tram-like stretches have a Vmax of 50 km/h.
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Old June 7th, 2009, 10:56 AM   #255
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Quote:
Originally Posted by JoKo65 View Post
Fully grade separated stretches are built for a Vmax of 80–100 km/h. But the Vmax at the moment is 70 km/h on these stretches.
Is this because of the vehicles' Vmax?
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Old June 7th, 2009, 04:16 PM   #256
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Quote:
Originally Posted by paF4uko View Post
Is this because of the vehicles' Vmax?
In the past, there have been vehicles with 70 km/h Vmax in service, but today there are only vehicles with 80 km/h or 100 km/h Vmax operational. So I think, they have not modified the software of the train control until today, or something like that.
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Old June 7th, 2009, 06:38 PM   #257
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70 km/h is the legal limit for driving without signalling in Germany (except in tunnels, those always require signalling). BoStrab §49 (2). Presumably these stretches do not have the required amount of signal equipment installed.
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Old June 8th, 2009, 03:15 AM   #258
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Quote:
Originally Posted by kato2k8 View Post
70 km/h is the legal limit for driving without signalling in Germany (except in tunnels, those always require signalling). BoStrab §49 (2). Presumably these stretches do not have the required amount of signal equipment installed.
They have, because they are Voll-Stadtbahn (real Stadtbahn [fully grade separated]) stretches.They are signalled and besides that, most of them are in tunnels.
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Old June 8th, 2009, 10:48 AM   #259
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Some night shots of Cologne's low floor Stadtbahn.

Ubierring:

[IMG]http://www.**************/bilder/nachtaufnahmen-274483.jpg[/IMG]

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-110547.jpg[/IMG]

Merkenich:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-157155.jpg[/IMG]

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-157033.jpg[/IMG]

Zülpicher Straße/Gürtel:

[IMG]http://www.**************/bilder/stadtbahn-koeln-niederflurstadtbahnen-111111.jpg[/IMG]
**************
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Old June 9th, 2009, 11:05 PM   #260
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And some snow shots.

The different faces of Cologne's Stadtbahn. Tram-like stretch layout, Berliner Straße in Höhenhaus:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-177812.jpg[/IMG]

Light railway stretch layout, station Wichheimer Straße:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-177811.jpg[/IMG]

Between Herler Straße and Wichheimer Straße:

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-177810.jpg[/IMG]

Fully grade separated Stadtbahn near station "Im Weidenbruch":

[IMG]http://www.**************/bilder/stadtbahn-koeln-hochflurstadtbahnen-177809.jpg[/IMG]
**************
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