Marco Andretti provides Fourth of July fireworks near his home in the IZOD IndyCar Series open test day for this weekend's inaugural race in Long Pond, Pennsylvania.
Conor Daly arrived from Europe to complete his Rookie Orientation Program while Pippa Mann passed his refresher program. Fastest driver on the track was Marco Andretti.
Rahal Letterman Lanigan Racing press release
Allan Brewer, IndyCar Correspondent