What do the different color racing flags in the Indy Racing League indicate?
Green - Start of the race, qualification, or practice.
Also used for restarts. Black w/ White Cross - Driver
disqualified. Yellow - Caution. White w/ Red Cross -
Medical on course or needed. Red - Race stops. Red &
Yellow Stripes - Slippery track. Black - Driver must go
to the pits. White - Final lap. Blue w/Yellow Stripe
- Passing flag. Red w/ Yellow X - Pit closed.
Checkered - End of race.