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[boskid][2.0.12] Rail signal going red without train

Posted: Tue Oct 29, 2024 3:38 pm
by ardentsword
I have the following train crossing setup, but it seems to give a red signal in the middle without any train being there. I cannot figure it out, I might have made a mistake with the train signals, but it seems to be a bug;
10-29-2024, 16-35-47.png
10-29-2024, 16-35-47.png (29.48 KiB) Viewed 714 times
Thanks in advance. I can also send the save if that makes it easier, I made a backup with the lockup.

Edit: After some testing, this is seems to be an issue with the overhead train (signals). If I move the signals on the bridge down 2 squares it works fine since now it divides the 'tunnel' in two separate segments (visually, on the blueprint this looks odd). The two 'tunnel' tracks will also have different segment colors if placed in this lower position. If I remove the bridge signal completely, the two 'tunnel' tracks always have the same segment color.

Edit2: I think I have the bug specified down to the color of the signal segments, if I remove and place the bridge rail signal multiple times and the tracks have the same color, they work incorrectly, one train blocks both tracks. If they have a different color it works correctly.

Here are screenshots that show this behavior.
10-29-2024, 16-59-30.png
10-29-2024, 16-59-30.png (2.23 MiB) Viewed 702 times
10-29-2024, 16-59-42.png
10-29-2024, 16-59-42.png (2.68 MiB) Viewed 702 times
Here is the Blueprint

Code: Select all

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Re: [2.0.12] Rail signal going red without train

Posted: Wed Oct 30, 2024 3:41 pm
by boskid
This is extremally suspicious, can you provide a save file with this intersection in a broken state? I cannot reproduce the issue from the blueprint string.

Re: [2.0.12] Rail signal going red without train

Posted: Wed Oct 30, 2024 11:05 pm
by ardentsword
I have attached the fully broken save file, this is where the trains are currently deadlocked.

Just removing and placing the left bridge rail signal a few times will clean the deadlock.

Re: [boskid][2.0.12] Rail signal going red without train

Posted: Thu Oct 31, 2024 9:49 am
by boskid
Not a bug.

If you remove ramps and elevated rails, you will notice there are some extra rails on the ground:
10-31-2024, 10-49-56.png
10-31-2024, 10-49-56.png (601.26 KiB) Viewed 657 times

Re: [boskid][2.0.12] Rail signal going red without train

Posted: Thu Oct 31, 2024 6:39 pm
by ardentsword
Ohhh, thanks a lot, I feel like an idiot! My apologies for wasting your time.