railroad yards

[raildan470]

Is it possible to setup a railroad yard? Primarily a hump yard.

[Chacal]

There are plenty of yards in various routes already, not sure if you mean any special kind of yard.
Hump yards, short answer is no. The sim isn't made for that: train brakes are applied as soon as you uncouple the engine from a consist. There is a longer answer, just do a search here in the forums.