Combining MILS with the PennLUG standard, the track is exactly two bricks above the table, plus the baseplate which is neglible. So it could be connected to free-standing track by simply propping it all up with two layers of bricks. I do know from sorting in August that the LUG has a giant container of bricks, so that shouldn’t be a problem (I know I’m just one vote on how those bricks get used, but to my mind that kind of use is exactly why the LUG has that supply, and esp in this case it would be temporary).
so, here’s a long term problem i just realized. we’re not compatible with other lugs if we stick with this method. Pennlug does the mils standard and incorporates that track standard, not one on top of the other. That is how they have roads with track in them. saves a lot of brick/plate that way too.