I'm sorry, I think I was a bit unclear. It's made to only use the square-roundabout if you actually make a U-turn. I downloaded the savegame and I can't really make any adjustments other than starting the trains. I'm really bad at circuits in general and mainly use blueprints that other people have ...

I have been looking for a 2-lane 4-way with roundabout that is compact, and made one based on the blueprint book I've been using for a while that I found here . I could not figure out how to test it with the roundabout, only straight, left and right. I have been skimming through the ones that are po...