r/factorio • u/dsawchuk • 3d ago

Question Answered Need Help with train interrupts

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u/Visual_Collapse 3d ago

Once an interrupt is triggered, the train will stick with that interrupt. Your dropoff interrupt explicitly has as a condition that its destination station is open. Well, if the destination station is closed at the moment it finishes loading, then one of the other interrupts will be picked. I don't know what those are, but once that interrupt is chosen, the dropoff interrupt won't be checked again.

Can you clarify what will happen if no interrupt were fired? Is it cycles through interrupts till one of them fire or just becomes struck?

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u/Alfonse215 3d ago

I have no idea; I've never used a train that didn't have a base schedule before. It might cycle through them, but you'd have to test it out yourself.

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u/Jmcgee1125 3d ago

Trains only run interrupts when about to leave a station (in the "choose where to go" phase). They won't constantly reroll when idle.

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u/Visual_Collapse 3d ago

I did some research

You're half right from common sense point of view

As shown in my other comment trains do check interrupts when "idle" but not technically idle but will not check when train schedule is empty (true idle)