3rl Adirondack & Lake Champlain Layout The NEW Adirondack & Lake Champlain is a modeler's delight! A modified figure eight, this layout features a turntable, two bridges, a branchline with a wye and a yard. Two trains can run simultaneously on the mainline and another can be switching cars in the yard. If you desire a layout that will provide long-time enjoyment, then this one is for you! TABLE SIZE: 11' X 26' Layout O-32 Product List Item # Description Qty.