Iowa: #88: Colton Herta, Andretti Harding Steinbrenner Autosport Honda, #21: Rinus VeeKay, Ed Carpenter Racing Chevrolet crash on a restart
#88: Colton Herta, Andretti Harding Steinbrenner Autosport Honda, #21: Rinus VeeKay, Ed Carpenter Racing Chevrolet crash on a restart