GREEN - Start

Indicates the start of the event or a restart after a caution period.

YELLOW - Caution

Slow and hold position. Indicates an unsafe condition on the race track. Drivers are required to slow down and maintain their position. Cars may not pass under the yellow flag.

BLACK - Get Off Track

This is for penalties, Car leaking liquids, Parts falling off, or too slow a speed to be safe.

Stop Scoring

If a driver does not pit within five laps of receiving a black flag they will be shown a black flag with a white 'X' on it. This flag tells the driver that they are no longer being scored by NASCAR and have effectively been disqualified from the race until they obey the previous black flag and pit.

BLUE/DIAGONAL STRIPE - Move Over

Indicates that a faster car is overtaking the car being signaled and the car being signaled should be prepared to give consideration to the overtaking traffic.Not mandatory, but NASCAR takes a dim view if ignored.

RED - Stop

Indicates the complete stoppage of the race due to some unsafe condition...such as rain, bad accident, emergency vehicles crossing the track.

CROSSED FLAGS - Halfway

This signals the halfway point of the race.No matter which 2 flags are used.

WHITE - Final Lap

One more lap to finish.Drivers will do all they can to finish higher.

CHECKERED - Race Completed

First driver to get this flag, wins the race.