I like the new look (No idea why the others are crying like that) Bonus points, if you can implement a way to automaticly go (gradually) back to the old look (and beyond) when the pollution rises. And vice versa: when the pollution goes back, it should take at least 5 times so long to go back one gr...

As a simple help, just set all depots like this: station (itself) -> decider combinator -> LTN station lamp Set the station to output cargo Set the combinator to "everything = 0" output "Depot 1" This way a train arriving at the depot with loaded item will not leave (LTN itself ...