Quality Guidelines For Temporary Traffic Control Devices
Evaluation Guide For Flashing Arrow Panels
(Caution Mode) (Bar or Corners)
Four (4) or more lamps operating. Lights dim properly.
Minimum of four (4) lamps functioning. Lights dim properly.
Less than four (4) lamps functioning or lights do not dim properly.
Note: Any operating lamp which is out of alignment will be considered "not functioning".