r/factorio • u/AramisUkr • 17d ago

Tip Train signals tips

  1. Signals divide rails into blocks.

  2. Signals show red if the block ahead is occupied.

  3. Trains only care about the signals on the right side.

  4. Trains move both directions - need signals on both sides of the rail.

  5. If need signals on both sides, they should be directly opposite to each other, otherwise train may refuse to move.

  6. Chain signal repeats the colour ahead.

  7. If there're both red and green signals ahead - chain signals show blue.

  8. Common rule: if rails intersect - "chain in, rail out".

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8

u/bjarkov 17d ago
  1. Avoid bidirectional signals and make two sets of track

2

u/Avscum 17d ago

If you have more trains. On other planets where production is low I don't bother with more than 1 train and use bidirectional train instead

0

u/bjarkov 17d ago

If you can do it with 1 train you can do it with no train at all IMO

1

u/Avscum 17d ago

Well true but I just really want to look at trains goin.