• Green Flag – Start Flag; the green flag is waved by the flagman at the beginning of a race and after a caution to indicate the race is re-starting. It is displayed until the next caution or the end of the race.
• Yellow Flag – Caution Flag; when waved it means there is a problem on the race surface or danger ahead. The drivers must slow down to a safe speed and may not pass.
• Red Flag– All Stop Flag; this indicates there is an incident on the track such as an injury, rollover or fire and everybody is to pull over and stop immediately.
• Black Flag – Penalty Flag; this flag indicates that an individual can to leave the racing surface and enter the pit area. It usually means the driver has an infraction and other times it means the driver's car is unsafe to continue racing. If the flag is ignored the driver can be in serious trouble.
• Blue/Stripe Flag – Passing Flag; this flag is shown to slower cars that are about to be passed by the leaders. Generally the slower cars are lapped cars that have been passed by the leader more than once.
• White Flag– Last Lap Flag; this is waved by the flagman to indicate the driver is entering the last lap.
• Checkered Flag– Winning Flag; this is waved by the flagman at the end of the race, first for the winning car and then for all cars as the complete the lap they were on when the race ended.
Other Information about Racing and Flags:
• Two Flags Crossed - Mid Point Flag; some racing organizations display two flags in an X shape to signal the drivers the race is half over.
• Being a racetrack flagman is one of the most important jobs at a racetrack. Without question, the racetrack flagman is the sole individual responsible for alerting all drivers at once of track information.
• While each driver wears a headset that allows him or her to hear other officials, the flagman communicates with drivers by waving different colored flags in the air. Flagmen are perched in a stand high above the starting line and they remain there until the race is complete.