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In auto racing , this flag, when displayed from the start tower, signals all drivers to come to a complete stop, due to a severe hazard obstructing the circuit. The red flag is displayed continuously until the hazard is eliminated, at which point the starter displays the yellow flag, signaling all drivers to resume motion.

Formula One red flag (see w:en:Formula One regulations#Flags )

• Dimensions: 100cm×80cm
• Red: Pantone 186C
• Created by User:Boris23 .

This image of simple geometry is ineligible for copyright and therefore in the public domain , because it consists entirely of information that is common property and contains no original authorship.