Auto racing

Auto racing (also known as automobile racing, autosport or motorsport) is a sport involving racing automobiles. Motor racing or motorsport may also mean motorcycle racing, and can include motorboat racing and air racing. It is one of the world's most popular spectator sports and perhaps the most thoroughly commercialized.

Use of flags

In open-wheel, stock-car and other types of circuit auto races, flags are displayed to indicate the general status of a race and to communicate instructions to competitors in a race.

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