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I am having problems with trains repeatedly queuing for a specific occupied platform when there are other platforms available. I've highlighted the platform, with the blue box, on the attached. Can anyone advise what might be causing this? I've checked that there is a route to the spare platforms. The only thing I can think of is that the size of the station is causing the issue?
I haven't seen it happen with any of the other entrance lines.
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With no signal in front of each platform entrance PBS should reserve a route to an unoccupied platform.
Yes, but whzen one uses restricted signal to guide trains to specific platforms, one needs these signals. In that case the two-way-path-signals should head to the platform (reverse them) to be passable from the backside.
Thank you for your help.
I forgot to mention that I have signals on the entrance to the platforms to stop trains reversing out of them. I also forgot to mention that I know the trains will queue if all the platforms are occupied, what I don't understand is why the trains are queuing when there are available platforms?
Each ordinary signal in front of a platform entrance should be replaced by a one-way exit signal, and each one-way path signal in front of a station entrance should be replaced with an entry signal. Incoming trains will wait at the station entrance and the choice of a platform will be deferred until the moment when at least one platform is free.
That said, the layout of your station has multiple problems, and wrong signal type is just one of them. I believe some combination of a drive-through station, a separated junction and a sideline depot would serve your needs much better.
With regards to the drive through station - everything stops at the station so I don't think drive through lines would be of use? Sorry if I misunderstood something in the link you provided.
Sorry I am not sure what you mean by a separated junction. Did you mean creating a design so that each incoming line only has access to some of the platforms to reduce the amount they cross each other?
However, if your routes comprise two different circuits that come together only at this station, then it is indeed the best to dedicate some of the platforms to each circuit, so that they don't actually share any piece of track. Remember, the most efficient junction is no junction at all.
If none of the trains drive through this station without stopping at it, then, of course, you don't have to build bypass tracks.
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