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Glossary

F1 racing flags explained

Answer

Racing flags are the signals marshals and race control use to communicate with drivers. The most important are yellow (danger, slow down, no overtaking), green (clear), red (session stopped), blue (let a faster car by), and the chequered flag (session over). Most are now also shown on digital marshalling boards and the steering wheel display.

The flags that matter most

  • Yellow: danger ahead. Drivers must slow and cannot overtake. Double-waved yellows mean be ready to stop[1].
  • Green: the hazard is cleared and normal racing resumes[1].
  • Red: the session is stopped, usually for a crash or unsafe conditions; cars return to the pits or grid[1].
  • Blue: a faster car is about to lap you; let it past (ignoring blue flags can draw a penalty)[1].
  • Chequered: the session or race is over[1].

Conduct flags

  • Black: the driver is disqualified and must return to the pits[2].
  • Black and orange ("meatball"): a car has a mechanical problem and must pit to fix it[2].
  • Black and white (diagonal): a warning for unsportsmanlike conduct[2].
  • White: a much slower vehicle is on track ahead, such as a recovery truck.
  • Yellow and red striped: a slippery surface, oil, or debris.

Most flag signals are also shown on trackside light panels and on the driver's dashboard, so the message reaches the cockpit even at racing speed[1].

Related terms
Sources
  1. [1]Racing flags (Wikipedia) (wikipedia-en). Accessed 2026-06-18.
  2. [2]FIA Formula 1 Sporting Regulations (fia). Accessed 2026-06-18.
Published 2026-06-18