Still working on my yard, so all I have is a drawing of it. While my layout has continuous running loops, I also wanted to be able to do some realistic switching operations. Because of this, the yard tracks turned out shorter than I hoped. However, my staging tracks are quite long so my plan for the yard is it will support a small town with some industries scattered along the mainline.
My operating plan for the yard, as of now, allows a 40-car freight to depart the staging tracks, drop off a block of cars at the yard, switchers then classify them, and then local freights move the cars to their destinations. Then do everything in reverse to get the cars back to staging.
Here is a slightly out of date RR-Track plan. It is mostly track for operation, which will limit scenic possibilities. The layout curves to the left at the top of the picture into more open track work for better scenic treatment.
Here is a schematic of the yard. Someday I hope to get this up and running to see if it works.