Standing or Waving White - Take care for a slow moving car, ambulance, or other emergency vehicle on the racing surface.
The standing flag is displayed for 2 flag stations prior to the vehicle in question when possible. Waving White - In wheel-to-wheel races only, when
displayed at Start only, the waving white shall indicate the start of the final lap of the race. White and Yellow - When displayed together, drivers should
proceed with extra caution. The yellow flag generally signals a disabled car(s) while the white flag signals that an emergency vehicle, or other slow moving vehicle, is on track.