The road course portion of the rigorous Tatuus USF-17 prototype development program wrapped up yesterday at Road America with accolades for the state-of-the-art next-generation chassis that will form the backbone for the first two steps on the Mazda Road to Indy ladder system – the Cooper Tires USF2000 Championship Powered by Mazda and the Pro Mazda Championship Presented by Cooper Tires – beginning in 2017.