Mark and Kevin thanks for the kind words.
Dave, the Ross switches do have the head blocks, but I have some that I purchased 2nd hand that had been cut off on one or both sides....
I have had good success just using either old Ross ties from "track cut-off" or making up some "tie stock", on the table saw. I then pre-drill them, extend the roadbed with thin 1/4 inch plywood and usually drive some small nails through the pre-drilled holes to hold them in place while the wood glue dries. The short tie extensions on top of the 1/4 inch or 5 mm plywood make a great foundation for the ground throws....
It's safer to get a piece of stock 3/4 x 2 or 3 about 8 to 12 inches long then set the fence to the tie dimensions and only feed 1/2 the 12 length to the blade, shut it down then rotate it 90 degrees and make your width or height cut... then you can cross cut with a small razor saw.... This is far safer than feeding really small pieces of wood that might get kicked back.. Plus doing this way won't require that you have a zero clearance insert in your saw eliminating any gaps around the blade.