Gateway: #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, #55: Alex Palou, Dale Coyne Racing with Team Goh Honda
#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, #55: Alex Palou, Dale Coyne Racing with Team Goh Honda