Walt, what kind of floor covering is that you're using under the track? I came across a green 6x8 indoor/outdoor carpet made from recycled plastic that I used under my tree/trains this past Christmas, kind of like a heavy duty 1/8" felt. It was easily cut with scissors and the color and texture was pretty good match for something used with toy trains. Lowes website lists it at about $22 but I picked up a couple in York for $16 each. The only draw back I see to it is sawdust and straw from my manger scene was a bear to remove even with a vacuum cleaner and sitting it directly on a hardwood floor it would slide easy so unless it were attached to an underlayment of some kind I'd recommend a non skid mat under it.
https://www.lowes.com/pd/EcoRu...W-x-8-ft-L/999992360
Jerry
