Help needed for prototype based switching layout

[ratled]

This is what I am working on now. It gives me 2 towns to switch, a nice yard and a little staging. L shaped w/ a bridge for round and round option (shown by track in the air form the yard to the staging area). A litttle larger than what you are looking for but you can adjust as needed, make it 3 towns instead of 2 and a yard etc.

ratled