Stormzy, Rapper waves the finish flag while Lewis Hamilton, Mercedes AMG F1 W10 crosses the line There is a wide range of flags types in the marshals’ arsenal, so here’s a run-down of what they all mean and how they have been used in the past. Marshals use buttons to send flag signals directly to race control, circuit light panels and a set of LEDs on the driver’s dashboard, which light up when the related flag colour is waved.

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The track is divided into a large number of marshalling sectors – far more than the three timing sectors – and at the start of each one there is a ‘marshal post’ where the flags are waved to tell drivers of dangers on the track. Flag signals were first used in F1 to communicate trackside to car in 1963.

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