NASCAR and Ind圜ar checkered flags carry the Sunoco logo. Its exact origins are unknown, but the first picture of a checkered flag being used to end a race was at the 1906 Vanderbilt Cup on Long Island. Checkered flag: The most iconic flag in motor sports is universally used to indicate that the race has ended.Used in F1 to warn of a slow-moving vehicle on track. White flag: Used in NASCAR and Ind圜ar to signal that the last lap of the event has started.In NASCAR and Ind圜ar, no work may be done on cars while the race is under a red flag in F1 there is no such restriction. Red flag: Used universally to indicate that the race has been stopped, usually due to poor track conditions and/or an accident.If track conditions mandate a full-course caution, officials will hold up white “SC” placards, to indicate the safety car has been deployed. This is referred to as a localized caution. Used in F1 to indicate an unsafe condition in one specific area of the track. Yellow flag: Used in NASCAR and Ind圜ar to slow cars down to a predetermined speed due to unsafe condition on the track.In Ind圜ar and NASCAR, green flags carry the American Ethanol logo. Formula 1 uses a series of lights to start the race, so the green flag is used to indicate that the driver has passed a localized caution. Green flag: In NASCAR and Ind圜ar, the green flag is used to start the race, or practice session.Let’s look at some of the most common flags and see the differences in how they’re used by different racing circuits: But when it comes to motor sports, flags are even more iconic because they are used not just for one small part of the races but for almost every aspect.Įach flag design conveys a different signal to drivers, but there are differences between Formula 1, Ind圜ar and NASCAR - not only in what they mean but in how and where they are used. And from the penalty and challenge flags in football to the scoreboard at Wrigley, flags remain a big part of sports today. Flags and sports have long been associated with each other.

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