In the current game I am playing we have built several train parking system that all work fine, except for one, that is however in every way exactly as the others. After some try and error I figured out that the length of the rail section determines whether or not trains properly detect a blocked path.
If the marked chain signal is present, the parking works perfectly fine. If that signal is removed trains will eventually try to drive into an already occupied slot. However as those signals are both chain signals that should make no difference, but then it does. This makes be believe that the length of the section is the cause for the bug.
This is the blueprint of the whole (working) section:
[0.17.6] rail section length confuses path calculation
Re: [0.17.6] rail section length confuses path calculation
Post a complete example save that shows the issue you describe please.
Re: [0.17.6] rail section length confuses path calculation
The blueprint is the complete example that describes the issue.