I can't run track software, but at the division wall/ circle to the right, tunneling through the division wall I think you could swing a single loop with exits/entrances for both directions. Making rev.loops as large as possible so it doesn't limit train length is the big key to using them more.
Either way, switching or loops, each engineer has their own running style. You have some experience so think back to what you DID or couldn't do vs what you "wished"..... like art; what you need and what you want in your head may actually be two different things 😉
