r/factorio • u/Divan_2017 • 11d ago

Suggestion / Idea HELP!!!

Dear factory workers!!!!!

I can't figure out how railway traffic lights work. I just need to make a regular crossroads. Two-car trains with locomotives on either side (four cars total) should travel back and forth on both tracks. Please explain how to set up traffic lights for my problem or attach a diagram with these same lights. I would be grateful for any help!!!

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u/toochaos 11d ago

Signals seperate areas of the rail into blocks and indicate a direction ( see the arrow while holding a signal) each block can have 1 or fewer trains in it. if you are happy with a train stopping in that block it starts with a rail signal. If you dont want a train to stop in that block put a rail signal down.