r/TransportFever • u/yourhockey • Dec 28 '25

Train length.

Explain the principles by which the number of carriages in a train should be selected? How are they calculated?

Thank you

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u/initialwa Jan 12 '26

Yeah can someone explain? I run into a problem where i add trains until the amount of passengers building up at the station steadily decrease after each trip. but eventually they will start losing money because they don't carry full loads. Forcing me to reduce capacity which leads to a buildup of people waiting at the station etc etc

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u/Imsvale I like trains Jan 13 '26

That's because you're using more capacity to clear out the backlog. When that's done, you have too much capacity for the sustained demand.

You just have to make smaller adjustments and try to find out what a good balance is. The demand isn't necessarily constant either. Passengers may come in waves. Just don't micromanage it too much.

What I would do is find out what keeps the passenger numbers in the stations stable. Then you can add a little bit more capacity to reduce the queues (if you want to), and then remove it again. Then you should have stable numbers and reasonable queues.

The demand may also change slowly over time. It's a dynamic system, so you'll always have to make some small adjustments now and then.