AUTO: SEP 18 IndyCar - GoPro Grand Prix of Sonoma

September 18, 2016: Graham Rahal in the Honda powered Rahal Letterman Lanigan Racing car #15 leads Alexander Rossi in the Honda powered Andretti Herta Autosport with Curb-Agajanian car #98 at turn 3 during the Verizon Indycar Series, GoPro Grand Prix of Sonoma held at Sonoma Raceway, CA. Simon Pagenaud (#22) won the 85 lap race. (Photo by Allan Hamilton/ Icon Sportswire)