Green: Start. Signals a clear course and indicates the immediate start or restart of a race.
Yellow: Slow down. No passing, an unsafe track condition exists.
Single Stationary Yellow: Slow down, no passing.
Waving Yellows: Single waving yellow- slow down, no passing, immediate danger.
Double Yellows: Slow down, no passing. The entire course is under yellow condition. Prepare for safety car to enter the course.
White: Caution. A slow moving vehicle, ambulance, service or another race car is immediately ahead. A standing white flag may be displayed during the first lap of a practice or qualifying session to pinpoint the location of the flagging stations. A standing white flag may be displayed at Start/Finish to announce the final lap of a race.
Furled Black: Closed Black Flag – Warning!… When pointed or shaken at participant from the starters stand. If the action continues the participant will be given an open black flag.
Open Black: Displayed with your car number below. Do not take another lap. Proceed directly to the black flag station in the pits.
Black Flag all: Displayed at all stations – stop racing the session has been halted. Proceed directly to the pits do not take another lap.
Red: Extreme danger. The race session has been stopped. Stop Racing, check your mirrors. Come to a controlled stop as quickly as practical to edge of track within the driver’s line of sight of a flag station. Only upon indication from a corner worker, proceed cautiously to the pits.
Blue with Stripe: Check your mirrors. Hold the line. Another competitor is following closely or trying to overtake.
Yellow with Stripes: debris, oil, water or some other circumstance has changed the condition of the racing surface.
Black with Red Disk: DO not take another lap. Something mechanically is wrong with a participant’s car. This flag will be displayed along with a board indicating the offending car’s number. That participant should proceed at a reduced pace directly to the pits.
Checker: Finish – The current competitive session has ended, continue cautiously to the pits.
Safety Car: to slow the field for safety and provide expeditious restarts. No car shall pass the safety car unless directed from Safety Car to do so. A safety car will enter the course with lights flashing. All competitors shall slow and keep pace with the Safety Car. After a Safety Car leaves the course, the established pace shall be maintained and no competitor shall improve track position or begin racing prior to a restart.
