The NTT INDYCAR SERIES is back in action at the Indianapolis Motor Speedway today Friday.
Several teams are in action for Hybrid and Firestone tire testing.
Santino Ferrucci is on track for AJ Foyt Racing. Christian Lundgaard will make his on track debut for Arrow McLaren.
Marcus Ericsson is back in the car for Andretti Global.
Dale Coyne Racing will have Rinus VeeKay in the No.18 Honda while defending series champion Alex Palou in the No.10 DHL Chip Ganassi Racing Honda will be on track for the second time as will defending Indianapolis 500 winner Josef Newgarden.
Dreyer and Reinbold Racing will have Ryan Hunter-Reay on track today while Alexander Rossi makes his track debut for Ed Carpenter Racing.
Conor Daly is on track for Juncos Hollinger Racing while four-time Indianapolis 500 winner Helio Castroneves will be on track.
Graham Rahal will also be in action for Rahal Letterman Lanigan Racing.