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The green flag signals the beginning or resumption of competition. During
qualifying it indicates to the driver his qualifying laps have begun. It is also displayed
at the beginning of pit road to show the pits are open. |
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A white flag is displayed when there is only one more lap to go in the race.
If a caution comes out after the white flag is displayed, the race is concluded. |
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During a race the checker flag means the race has been completed and each car will be
scored when it passes the start-finish line. During qualifying it is used to show a driver his
qualifying attempt is complete. |
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A yellow flag indicates there is a hazard on the race track and all drivers must slow
down and line up behind the pace car. Typically this flag is waved when there has been
an accident or when debris is spotted on the track. |
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This flag is displayed to a car, or group of cars, to let them know that the leaders are
coming up behind them and that should be courteous and move over to let the lead lap cars
race. This is the only flag that is optional. |
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The red flag indicates that all competition must immediately come to a halt. This
includes the drivers on the race track, all pit crews servicing cars on pit road,
and/or all pit crew members repairing cars in the garage. |
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The black flag is officially called the consultation flag. It means that the driver who
receives it must come down pit road to respond to a NASCAR concern. A penalty is
usually given to a driver that has been black flagged. |
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When a driver does not pit within five laps of receiving a black flag they will be shown
the black cross flag indicating they are no longer being scored by NASCAR. |
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The yellow and red flag indicates that there is debris on the track. This flag is only
used on road courses. |
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The red flag with a yellow cross is shown at the entrance of pit road to indicate the
pits are closed. When all the cars have lined up behind the pace car, pit road will open and
this flag will be withdrawn. |
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The flagman displays two crossed checker flags to indicate to the drivers that
the race has reached it's halfway point. |
