That's what the fast guys will do. At SDR, they would unload at the grocery store, or the corner convience store. At Commerce, they would unload at the Wal-Mart.
Why not let them trailer, just require DOT approved radial tires. Of course, then how are you going to say that a DOT approved drag radial such as a Nitto, BFG, or MT is not a street tire? And if you allow them, what about ET Streets then? Toyo TQs would not be allowed, but RA-1's would? Where do you draw the line on tire selection?