Checkered Flag – First across wins: race over
Black Flag – Rider disqualified or problem with motorcycle
Green Flag – Race start signal, race in progress when all is “go”
Red Flag – Race stopped, sometimes to be restarted
White Flag – One lap left to race
Yellow Flag – Caution, do not pass if flag is waving
Yellow and Red Striped Flag – Caution, indicates debris, fluid or hazard
