The rules say that the tires used in the autocross portion of the Challenge must be D.O.T. legal. Is the Hoosier A6/R6 legal?
http://www.tirerack.com/tires/tires.jsp?tireMake=Hoosier&tireModel=R6
One one hand, Tire Rack/Hoosier says that they are marked according to D.O.T. rules, yet on the other hand it states that they are not intended for highway use.
Ruling?

