These are the least used flags in Formula 1

When race stewards and officials need to send a message to Formula 1 drivers on track, they can call on teams to relay the information over the radio, or can throw up a flag around the track to instantly alert drivers. Marshals at F1 circuits can wave nine different flags, and some are used a lot more than others.
At the start of every race, the green flag is waved to indicate that the track is ...Keep reading