Factorio Forums

Discovered today - correct me if I'm wrong, please.

I have built two-directional single track for several trains and several routes. I had some problems with "no path" until have discovered simple (but unobvious!) railway signal rule (trick?): there must always be double-signal on the single track (on both sides of the track) instead of just individual signals on both sides. Might be mixed chain/normal signals. It totally helped me.

Is that so?
There is nothing about this in the wiki.
Should be.

Yup, that is how it has to be. I'm really surprised its not covered in the Wiki, but I know its been mentioned many time on the forums.

Thank you.

Now it's on the wiki.