Describe the Suggestion

Something that I've noticed is that as soon as you disassemble a train, the signal block shows clear. It should show as occupied when there is a station within the signal block that is in edit mode.

Screenshots and Videos

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Additional Context

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Although the signal shows clear, trains probably won't route through the assembling station, since assembling stations have a massive penalty in the train pathfinding code.

Although the signal shows clear, trains probably won't route through the assembling station, since assembling stations have a massive penalty in the train pathfinding code.

Don't forget about manually driven trains. A player might see a clear signal and not be paying too much attention and slam into a player who is working on a train inside a station.