Trains in opposite directions overlap, which makes it very hard to see what's going on. Also, trains disappear when they stop. Which is - uh - strange. It's m

Trains in opposite directions overlap, which makes it very hard to see what's going on. Also, trains disappear when they stop. Which is - uh - strange. It's more pretty than practical. Trains marked with dots, arrows, or boxes would be far easier to read.