The Red flagRace tracks have long used flags as a way for marshals to communicate with drivers. The colour and meaning of... There's more... is used to bring the session to an immediate halt. This can be due to any occurrence that means it is no longer safe to race. An accident, poor track conditions, or bad weather warrants the use of a red flag.
All cars are required to immediately reduce speed and return to pit laneThe Pit lane is a 3.5m wide access lane that runs parallel to the race track that the cars use... There's more....