More than 30 cars from the three Mazda Road to Indy series are expected to participate in the two-day Chris Griffis Memorial Mazda Road to Indy Open Test at the Indianapolis Motor Speedway.

Andretti Autosport announced today it has signed Exclusive Management Inc. driver Thomas McGregor for the 2012 Cooper Tires Presents the USF2000 National Championship Powered by Mazda. McGregor will pilot the No. 7 USF2000 car for Andretti Autosport.

Mazda Road to Indy driver Shannon McIntosh is set to participate in The Chris Griffis Memorial Indy Open Test at the Indianapolis Motor Speedway on Friday, Oct. 28 and Saturday, Oct 29.

Junior formula car leader JDC MotorSports is excited to announce the addition of Scott Hargrove to its Cooper Tires Presents the USF2000 National Championship powered by Mazda program for the upcoming 2012 season.

JDC MotorSports is pleased to confirm that up-and-coming racer Zac Silver will drive for the standout junior formula car squad in the 2012 Cooper Tires Presents the USF2000 National Championship powered by Mazda.