Road America: #21: Rinus VeeKay, Ed Carpenter Racing Chevrolet, #28: Romain Grosjean, Andretti Autosport Honda, #06: Helio Castroneves, Meyer Shank Racing Honda sign autographs for happy fans
#21: Rinus VeeKay, Ed Carpenter Racing Chevrolet, #28: Romain Grosjean, Andretti Autosport Honda, #06: Helio Castroneves, Meyer Shank Racing Honda sign autographs for happy fans