pierreh

The United Cities of Talaran

84 posts in this topic

Pierre, I feel you really did a great job with this upgrade..

Really, like the look of the rail system you have built here,,,

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Upgrades attract traffic, it seems, and some parts of the rail system in the cluster are bursting at the seams.

Here is an example, found in Arcens, the center city in the cluster. The rail station in the next picture got upgraded very recently. The statistics after a few months of gameplay are quite worrying:

E2dgte.jpg

 

The pair of dual tracks going to the top of the picture link to the neighbor city of Deramey - quite exactly to the rail triangle that was recently upgraded in my recent CJ entries. The volume statistics on those pairs of tracks are also of great concern:

9ZcqXe.jpg

On the left pair of tracks the volume is - unsurprisingly - 65535. This means that the link is saturated, which in turn explains the excessive usage rate of the train station.

Aside from upgrading the station again, I could put in a third pair of tracks, but I find this rather unrealistic. Another option is to add one or more subway links. I am undecided at this point.

What this tells me is that I am encountering more and more saturation issues in inter-city traffic, and it may put an premature end to my work with the cluster.

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wow Pierre,

a quarter million usage at a Train station !

That surely has to be a record..

You continue to amaze , with some of your traffic numbers...

I hope you find some workable solutions to some of your traffic congestion issues soon..

 

Brian

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Here is another picture of the same train station, with the traffic query for it:

L9TSyi.jpg

 

When we add the figures for bus, train and 'elevated train' (which is in this case GLR) we get 112'435 - much less than the quarter million shown by the other query. But we would need to add the Sims on trains arriving from the bottom of the picture and passing thru the station, which are possibly not shown here.

At an rate we can see that Sims arrive at the station from both directions, by GLR and by bus, and leave in the direction of Deramey and Cherenne; this is the morning commute. It is not easy to reconcile the figures. Also, queries on the rail tracks at the bottom of the picture show numbers, but no travel paths. It is possible that the traffic simulator has not yet completed its work since the upgrade of the train station. I'll keep watching that situation, while pondering the next upgrade steps.

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Pierre,

, thanks so much for your additional pic + explanation my friend !..

3 hours ago, pierreh said:

It is possible that the traffic simulator has not yet completed its work since the upgrade of the train station. I'll keep watching that situation, while pondering the next upgrade steps.

yes, i think this is the correct assessment. I have seen similar situations when you have to wait for some routing paths to show up for a bit.

I will than await your next posting + any additional steps you take to handle the traffic situations in this area..

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Since Brian is showing us his plan for the development of the city he is currently starting to build, I'd like to show the current state of one of the cities in my cluster, where I am not pleased with my initial design decisions. The city is Desognes, it is situated in the upper left corner of the cluster.

Here is how Desognes is currently zoned;

4mB359.jpg

R1 was the first residential zone to be developed; fairly soon during the growth of the city I started the zoning of R2, the second residential zone, on the other side of the river,

Similarily, I1 was the first industrial zone to be grown. As I didn't want it to become too large, and because I was still asked by the game to zone for more industry, I started the zoning of I2; I2 has remained rather modest in size, and at present I do not zone for more industry.

C1 was the first commercial zone; i decided to place to the right (i.e. on the eastern side) of the citly tile. This was done because Desognes has links (highway and rail) with Marlande which is contiguous to Desognes on the eastern side. C2 is a very recent development, still modest in size, that will not be able to grow much, because of the terrain available.

In retrospect,, C1 is too off-centered, relatively to the R areas, especially relatively to R2; Sims travelling from R2 to C1 must pass thru R1, and this generates an excess of thru traffic in R1. It is in order to alleviate this to some extent, that I decided, belatedly, to start the second commercial zone C2, closer to R2. All morning commute traffic to C1 comes from the west and the north, this tends to saturate the roadways and the public transportation (GLR/subway, local rail and buses).

With these design flaws, the city has currently a population of 742'351 Sims. However, its growth has slowed down, and the traffic issues are getting worse. I'll continue to work on it of course, trying to compensate for the noted defects. This is in fact an interesting challenge, that is encountered in RL in many old cities (my home city of Geneva is a good example of that....).

Some other cities in my cluster exhibit various other 'defects' and/or limitations due to the terrain, waterways, etc. I may document some of those later.

Edited by pierreh
typpos

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Thanks Pierre for your recent update...

I really enjoyed this one from you my friend ..:)

Your " visuals" with the diagram is very nice and sharp work . And you know how to put together and do these diagrams quite well and better than myself.

So very "sharp" work with that .

But the best part for me was the reasoning you had that you so well articulated to us, in your posting and, for how the zones were laid out, originally  . But more so the additional modifications you had to make as the city progressed and developed, And it shows the complexity of a city building game so well . The reasoning and examples that you cited in your posting..

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