• Green: Start or All clear
  • Yellow (motionless): Caution (no passing)
  • Yellow (waving): Extreme caution, Incident on track or in direct impact area (no passing)
  • Yellow w/ Red Stripes: Debris on course
  • Black w/ Green Stripes: Slippery Fluid on course
  • Red: All riders stop where you are immediately as soon as it is safe and remain stopped until otherwise directed. Make sure to stop where your visible from large distances
  • Black (waving): Indicates a course closure, maintain a slow safe speed and return to pits
  • Black w/ Red Dot (meatball): Indicates mechanical with you or your bike or a rule infraction, maintain safe speed and report to Grid Marshall.
  • Checker: End of session