For the most current information on PolyTrack's status and any quality enhancements, I recommend:
A series of catastrophic breakdowns on poorly maintained standard Polytrack at three mid-tier American tracks led to public outcry. Horses were striking compacted, frozen wax layers. Standard Polytrack had aged poorly. In contrast, G-Grade’s extra quality components (specifically the self-rejuvenating top layer) had proven, in private trials, to reduce catastrophic injury by . polytrack unbanned g extra quality