Gateway: #1: Josef Newgarden, Team Penske Chevrolet, #30: Takuma Sato, Rahal Letterman Lanigan Racing Honda, #28: Ryan Hunter-Reay, Andretti Autosport Honda, #60: Jack Harvey, Meyer Shank Racing Honda, #88: Colton Herta, Andretti Harding Steinbrenner Autosport Honda,
#1: Josef Newgarden, Team Penske Chevrolet, #30: Takuma Sato, Rahal Letterman Lanigan Racing Honda, #28: Ryan Hunter-Reay, Andretti Autosport Honda, #60: Jack Harvey, Meyer Shank Racing Honda, #88: Colton Herta, Andretti Harding Steinbrenner Autosport Honda,