Gas city's tires all day. They are not that big they're anchored down cables so they dont usually fly out onto the race track and keep ya out but you can still clip one or run over it if you have to in a pinch (no pun intended) huge tractor tires cost to much when ya hit one and berms dont keep anyone from trying to cut the corner. Tracks are not constant with the dont drive on it rule for them to be considered as an option.