I'm with DK on this one. I knew I would be using Gargraves track and Ross turnouts when I started my layout. I gave Steve at Ross my hand drawn trackplan and layout measurements. He converted it to a scaled out plan and identified all the different radii of track needed with the exception of the "custom curves". He also identified all the turnouts and prepared an full items list and put the package together for me to purchase and pick-up. Fabrication of the "custom" curve trackage was kept to a minimum. Best part, it all went together very smoothly.